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UTD2000 se

Chapter 1 I

Chapter 2 V

Chapter 3 H

Chapter 4 T

Chapter 5 S

Chapter 6 D

Chapter 7 A

Chapter 8 C

Chapter 9 S

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15

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S

U

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2 Applicaion

3 System pro

4 Technical s

5 Appendix

Series Digita

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example

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face 6

ntents ........

apter I Intr

1.1 Genera

1.2 Functio

1.3 Probe

1.4 Autom

1.5 Introdu

1.6 Introdu

1.7 Introdu

apter II Ve

2.1 Setting

2.2 Setting

2.3 Setting

2.4 Vertica

2.5 Setting

2.6 Mathem

2.7 FFT sp

apter III Ho

3.1 Horizo

3.2 Explan

3.3 Window

3.4 Trigger

apter IV Tr

4.1 Edge t

4.2 Pulse w

4.3 Video t

4.4 Alterna

4.6 Explan

apter V Ac

apter VI D

6.1 XY Mod

apter VII M

7.1 Measu

7.2 Voltage

Declaration

y Overview .

and Symbo

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... 19

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Cha

Cha

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7.3 Time p

apter VIII C

apter IX St

9.1 Setup s

9.2 Wavefo

9.3 Bit ma

9.4 Screen

apter X Ut

10.1 Pass/

10.2 Recor

apter XI O

11.1 AUTO

11.2 RUN/S

11.3 Help M

11.4 Upgra

apter XII A

Example 1

Example 2

the circuit

Example 3

Example 4

Example 5

apter XIII S

13.1 Defin

13.2 Troub

apter XIV T

apter XV A

Appendix

Appendix

Appendix

Appendix

parameter ..

Cursor Mea

torage and

storage and

orm storage

p storage a

n copy ........

ility System

/Fail ...........

rder ...........

ther funtion

O .................

STOP .........

Menu .........

ade program

Applicaion e

1: Measurin

2: Observin

..................

3: Acquiring

4: Reducing

5: Using the

System Pro

itions of Sy

bleshooting

Technical I

Appendix ....

A Accesso

B Maintena

C Warranty

D Contact U

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asurement ..

Load Syste

d load ........

e and load .

and load .....

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nual

... 37

.... 38

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... 45

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... 46

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... 48

ugh

... 48

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inte

DSO

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F

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ettings of wa

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ossible.

2000L oscillo

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amplitude resolu

he condition wit

Compared with r

better frequency

amplitude resolu

The frequency re

s slightly superio

The best amplitu

requency resolu

f nouns

n: defined as

ration point a

be.

ency: for wa

econstruct or

ncy, while 2f

nt at starting

occur at the

er to avoid th

ction, the va

function app

nction

ncy resolution a

ution. It is basica

hout window.

rectangular wind

y resolution and

ution.

esolution of Ham

or to Hanning w

ude resolution a

ution.

s the quotien

are fixed, the

aveform with

riginal wave

refers to Ny

22

g and ending

joints. In fre

he generatio

lue at forced

plication:

and the worst

ally similar to

dow, it has

worse

mming window

window.

and the worst

nt of samplin

e lower the s

h maximum f

eform. It is al

yquist samp

UTD20

g positions.

equency dom

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The most s

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short pulse,

amplitude si

possesses b

spectrum ch

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short pulse,

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for higher su

ng and oper

sampling rat

frequency of

lso called Ny

ling rate.

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main, this eff

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nd ending po

uitable measur

s, before and af

are basically eq

nusoid with ver

bandwidth rando

hange.

ise of sine, cycle

s, before and af

are of large diff

for single frequ

ubharmonic.

ation point. W

te is, the be

f f, at least 2

yquist rule, w

User Man

high-freque

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lying origina

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rement conten

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ry similar freque

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ference.

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rate

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(1)

trigg

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scal

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wav

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cha

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Tab

3.2

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repr

XY

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CHorizontal

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le can lead t

zontal posit

nged.

The horizo

The horizon

veform (inclu

trol knob va

Horizontal

shown as s/d

nged by due

b.

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user can pr

ble 3-1 HOR

Function

Main

——

Window

——

Hold off

Explanatio

Mode：In th

resents the a

Mode：In th

resents the C

haptecontrol

Fig

control knob

horizontal co

al position (t

tal direction

to expansion

ion changes

ntal system

ntal position

uding mathe

ries at differ

scale contro

div. If the e

e to the dela

menu button

ress to ente

I MENU

Menu Set

——

——

n of nouns

his mode, th

amount of ti

his mode, th

CH2 voltage

er III

gure 3-1 H

b

ontrol knob c

trigger posit

is the time r

n or shrink o

s, the positio

can be cont

n control kno

matical ope

rent time bas

ol knob is us

extension tim

ay scanning

n

r the horizon

ting Descrip

— Press to

— Press to

To adjus

he Y axis rep

me.

he X axis rep

e amount.

23

Horiz

Horizontal Sy

can change

ion) in intern

reference po

of waveform

on relative to

trolled by th

ob is use to a

eration). The

se.

se to change

me base is b

time base th

ntal menu fu

ption

o turn on the ma

o turn on the ext

st the trigger ho

presents the

presents the

UTD20

zontal

ystem Interfa

the horizon

nal storage.

oint of wavef

s relative to

o waveform

e following p

adjust the ho

resolution o

e the time ba

being turn on

hrough turni

unction. (See

ain time base

tension time bas

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e CH1 voltag

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ace

tal scale (tim

The vertica

form. Chang

screen cen

trigger point

panel button

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multi-purpose kno

voltage, and

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tem

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t will be

ns/knobs.

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N/STOP but

xtension

xtension tim

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ion menu.

Figure 3

ndow extens

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veform.

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d-off time is

f time can b

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ample, if a

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scan sampl

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3-2 Screen D

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turning horiz

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all be display

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the time inte

be adjusted

DSO will no

set of pulse

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veform horizon

veform horizon

24

e base contr

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an active th

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/DIV knob.

h horizontal

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by using th

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set as the pu

ntal extension

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UTD20

rol is set at 1

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to set the c

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are two disp

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ulse train wi

n part

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the slow sca

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lay areas, a

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b or can be

time base

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knob to redu

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pose knob a

event until t

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or slower, the

an mode to

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compresses

form detail f

F3 button a

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the hold-off

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ontal

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25

for Synchron

UTD20

nization of C

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Complex Wav

User Man

veform

nual

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UTD

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sign

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som

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Tab

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Mode

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gger Type

D2000 series

ge Trigger: e

nal edge.

se Width trig

me set trigge

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kinds of trigg

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Edge trigge

Edge trigge

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ll be comple

ble 4-1 Edge

ction Menu

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pling

Chaptel knob: trig

ding to trigg

s DSO supp

edge trigger

gger: trigger

er >, < or = c

conduct field

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ger menus s

e Alternative

er

er mode refe

“edge trigg

eted.

e trigger men

Setting

Edge

CH1

CH2

EXT

AC Line

Alter

Rising

Falling

Rise/fall

AUTO

Normal

Single

AC

ter IVger knob is

ger point).

port: Edge, P

mode refers

r produces w

condition.

d or line trigg

y active by p

able to trigge

shall be resp

trigger by p

ers to trigger

er”, trigger o

nu

Description

Set CH1 as the

Set CH2 as the

Set external tri

Set AC power

Set to Alternati

Set trigger on t

Set trigger on t

Set trigger on t

Set to automat

without triggeri

Set to normal t

triggering signa

Set to single tr

when there is t

Block the DC c

26

Trigused to adju

Pulse, Video

s to triggerin

when the pu

ger for stand

pressing F1

er signals w

pectively des

pressing F2

ring of trigge

on the rising

e triggering sign

e triggering sign

igger input chan

line as trigger s

ive trigger betw

the signal rising

the signal falling

the signal both

tic trigger. The D

ing signal.

trigger. The DSO

al.

rigger. The DS

triggering signa

component of tr

UTD20

ger Sust the trigge

o and Alterna

ng of trigger

lse width of

dard video s

button at th

ithout freque

scribed as fo

button at the

er threshold

g edge or fal

nal source

nal source

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source

een CH1 and C

g edge

g edge

rising and falling

DSO will continu

O will only perfo

SO will only perf

l.

iggering signal

00 Series

ystemer level (To

ative trigger

threshold o

the trigger s

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he TRIG ME

ency correla

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on the inpu

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CH2 as signal so

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uously perform d

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User Man

m set the volta

r;

on the input

signal satisf

for UTD2025

ENU .

ation.

NU .

ut signal edg

f input signa

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ource

data acquisition

sition when there

the data acquisi

nual

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ies

5CL)

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l

n

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ition

4.2

sign

Tab

Func

Type

Sourc

Pulse

cond

Pulse

settin

Next

Tab

Func

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Polar

Mode

Coup

Previ

Pulse width

For pulse w

nal. You can

ble 4-2 Pulse

ction Menu

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itions

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ng

ble 4-3 Pulse

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rity

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ious

DC

HF

LF

h trigger

width trigger,

capture ab

e width trigge

Setting

Pluse

CH1

CH2

EXT

AC Line

Alter

>

<

=

1/2

e width trigge

Setting

Pluse

Positive

Negative

AUTO

Normal

Single

AC

DC

HF

LF

2/2

Pass through D

Reject high-fre

Reject low-freq

, the trigger

normal puls

er menu (pa

Description

Set CH1 as th

Set CH2 as th

Set external tr

Set AC power

Set to Alterna

Trigger when

Trigger when

Trigger when

Set the pulse

the front pane

Go to next pag

er menu (pa

Description

Set the positiv

Set the negat

Set to automa

without trigger

Set to normal

triggering sign

Set to single t

when there is

Block the DC

Pass through

Reject high-fre

Reject low-fre

Go to previous

27

DC and AC com

equency compon

quency compon

time shall b

e by setting

age 1)

he triggering sig

he triggering sig

rigger input cha

r line as trigger

ative trigger betw

pulse width is g

pulse width is le

pulse width is e

width to betwe

el。

ge

age 2)

ve pulse width

tive pulse width

atic trigger. The

ring signal.

trigger. The DS

nal.

trigger. The D

triggering signa

component of t

DC and AC com

equency compo

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s page

UTD20

mponents of trigg

nent of the trigg

ent of the trigge

e subject to

pulse width

nal source

nal source

annel as the trigg

source

ween CH1 and C

greater than Pul

ess than Pulse

equal than Pulse

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as trigger signa

h as trigger sign

DSO will contin

SO will only per

SO will only pe

al.

riggering signal

mponents of trig

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gering signa

ering signal (ov

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pulse width

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gering signal so

CH2 as signal s

se Width setting

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by using the mu

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User Man

ver 80kHz signa

low 80kHz signa

of the trigge

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ource

source

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values

ulti-purpose kno

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uisition when the

f the data acqui

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on

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4.3 V

sign

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Tab

Func

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Type

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stan

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UTD2025C

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Trigger cou

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ction

u Se

Vie

ce

CH

CH

EX

AC

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c

All

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Figure 4-1

ndard and sy

Figure 4-2

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ger

CL support v

UTD2025CL

upling will au

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o trigger men

etting De

edo

H1 Se

H2 Se

XT Se

C Line Se

ter Se

AL Se

TSC Se

line Se

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ven field Se

dd field Se

is an examp

ynchronizati

Fig

is an examp

ynchronizati

video trigger

have such f

utomatic pre

hown in the t

nu

escription

et CH1 as the tr

et CH2 as the tr

et external trigg

et AC power line

et to Alternative

elect to PAL vid

elect to NTSC v

et trigger synch

et the video to s

et the video to s

et the video to s

ple screen d

on mode is

ure 4-1 Vide

ple screen d

on mode is

28

compactab

functions)

eset to DC c

table below:

riggering signal

riggering signal

ger input channe

e as trigger sou

e trigger betwee

deo standard

video standard

ronize to video

sync and trigger

sync and trigger

sync and trigger

display when

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display when

set to field s

UTD20

le to NTSC

oupling if th

source

source

el as the triggeri

urce

n CH1 and CH2

line.

r on specific line

r on even field

r on odd field

n PAL video

chronization

Line Synchro

n PAL video

synchroniza

00 Series

or PAL stan

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2 as signal sour

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trigger mod

.

onization

trigger mod

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User Man

ndard video

ger is active

ce

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del is selecte

del is selecte

nual

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ed as

ed as

4.4 A

CH2

freq

4-4

Tab

Func

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F

ble 4-4 Altern

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e

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Figure 4-3 O

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Setting

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AUTO

ure 4-2 Vide

ger, the trigg

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or display of

g menu settin

Observing S

Alte

er Mode Set

Description

CH1 and CH2

Set trigger on t

Set trigger on t

Set trigger on t

Set to automat

29

eo Trigger: F

ger signal co

is useful for

f triggered a

ng

ignals with T

rnating Trigg

tting

alternating trigg

the signal rising

the signal falling

the signal both

tic trigger. The D

UTD20

Field Synchro

omes from tw

r observing t

lternating wa

Two Differen

ger Mode

ger

g edge

g edge

rising and falling

DSO will continu

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onization

wo input cha

two signal w

aveform exa

nt Frequenci

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uously perform d

User Man

annels CH1

with different

ample and T

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data acquisition

nual

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t

Table

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4.5

(1) T

(CH

Ex

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for U

cloc

“EX

as t

AC

app

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(2) T

cond

A

acq

sync

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sign

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acq

satis

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acq

satis

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Explanatio

Trigger sou

H1 and CH2)

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rigger sourc

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ipment and

Trigger mod

ditions. Thre

uto trigger:

uisition with

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ention: when

nal is allowed

ormal trigge

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ingle trigger

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pling

n of nouns

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), external tr

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ction to the “

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put terminal

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power supp

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Set to autom

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with the trigg

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d under “aut

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y when trigge

stops data c

r: Set to sing

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stops data c

Normal

Single

AC

DC

HF

LF

can be ach

iggers (EXT

RIG): meanin

“EXT TRIG”

orm data ac

e “EXT TRIG

is used for E

trigger levels

ine power as

signals corre

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the behavio

odes are pro

matic trigger

ng signal. W

ger signal.

waveform is

to trigger” m

ormal trigger

er conditions

collection.

gle trigger m

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collection.

without triggeri

Set to normal

triggering signa

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when there is t

Block the DC c

Pass through D

Reject high-fre

Reject low-freq

30

ieved from s

T and EXT/5

ng to set the

input chann

cquisition us

G” input cha

EXT trigger s

s voltage ra

s trigger sou

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nt R&D deve

oral pattern

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r mode. Th

When there

set as 50ms

mode.

r mode. Th

s are satisfie

mode. The

s are satisfie

ing signal.

trigger. The DS

al.

rigger. The DS

triggering signa

component of tr

DC and AC com

equency compon

quency compon

UTD20

several sign

5) and AC lin

e triggering s

nel. This can

ing CH1 and

nnel. Extern

source selec

nge limited

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C line power

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of DSO und

DSO: auto, n

he DSO will

is trigger sig

s/div or slow

he DSO will o

ed. When tri

DSO will on

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SO will only per

SO will only pe

l.

iggering signal

mponents of trigg

nent of the trigg

ent of the trigge

00 Series

al sources:

ne.

source base

n be significa

d CH2 based

nal trigger sig

ction. When

to -3V and +

an be signifi

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normal and s

continuously

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only perform

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ly perform o

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input chann

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of the data acqu

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ata

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data

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acq

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Func

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Figure 5-1

veform displa

Figure 5-2

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ure 5-1 using

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Figu

QUIRE butto

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ire Function

Setting

Sampling

Peak value

Average

2~256

Real-time

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ON

OFF

ng the acquis

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TD2000 ser

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ay is very no

shows the s

e waveform

g sampling m

er V data acquisit

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ure 5-1 Func

n is pressed

DSO.

n Menu

Description

Set to samplin

Set to peak va

Set to average

At the average

knob (Average

Set to Real-tim

Set to Equivale

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Turn off fast ac

sition setting

e below is a

ries DSO.

original signa

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same signal

display bec

method F

31

Acqution setting o

TD2000 seri

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Figure 5-2 us

UTD20

uire Sof the DSO b

es DSO.

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mode.

ode.

e, set average n

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form capturing r

O, user can

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00 Series

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age up to at 2k

observe the

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sign

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Please selec

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modulation

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Tab

Fun

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diffe

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UTD2000 se

After press

DSO.

ble 6-1 Displa

nction Menu

pes

rmat

rsist

—

ghtness

XY Mode

The phase

erved by Lis

erence.

Chaptehange the d

eries DSO a

Figu

s DISPLAY b

ay Menu

Setting

Vector

Dots

YT

XY

Off

1s

2s

5s

Infinite

1%-100%

difference b

ssajous met

er VI display settin

as figure bel

re 6-1 Func

button, the f

Description

Display as ve

Display any o

Display Y-axi

Display Y-axi

level of input

Real-time up

Display the a

Display the a

Display the a

Accumulate d

Set the brigh

brightness.

between the

hod. The fol

33

Dispng of the DS

ow.

ction Keys of

function men

ector of sample

of the sampled

is as voltage lev

is as CH2 volta

t signal

pdating (Display

acquired signal

acquired signal

acquired signal

display all the a

htness of the wa

e two signals

llowing char

UTD20

play SSO by pressi

f Display Sy

nu will chang

d data points

data points

vel of input sign

ge level of input

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every 1s

every 2s

every 5s

acquired

aveform by mult

s of the sam

rt gives the o

00 Series

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ystem

ge to the dis

al and X-axis as

t signal and X-a

d signal.

i-purpose node

e frequency

observation

User Man

m PLAY button

splay setting

s time

axis as CH1 volt

between 1%-10

y can be eas

of phase

nual

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tage

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sily

of A

= ±

ang

ellip

integ

calc

are

twos

CH1

for t

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A

A

C

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A, B and C, D

± arcsin(C/D

le should be

pse in II, IV q

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ger, the freq

culated .

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whole multi

signals.

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1 and CH2 a

the XY mode

ention:

e following fu

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Cursor meas

= A/B or C/D

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D). If the prin

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quadrant, the

, if the frequ

quency and

re, if the freq

ples, you ca

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enter the X-Y

are required

e display.

Figu

unctions will

easurement

measuremen

surement m

D, theta (θ)

above. We c

ncipal axis o

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en the phas

ency or pha

the phase re

quencies an

an calculate

igure 6-3 X

Y mode by p

to be applie

ure 6-4 Wa

be disable a

t

nt mode

mode

34

is the angle

can draw a d

of an ellipse

to (π/2) or (3

se angle sho

ase differenc

elationship b

d phase diff

the frequen

X-YPhase d

press Display

ed simultane

aveform Disp

at XY displa

UTD20

e between th

difference an

is in quadra

3π/2) to 2π.

ould be (π/2)

ce of the two

between the

ferences of t

cy andphas

ifference tab

y button and

eously. Figu

play in XY M

ay mode.

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he two signa

ngle θ = ±

ants I and III

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o detected si

e two signals

two signals

e correlation

ble

d select F2.

re below sho

Mode

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arcsin(A/B)

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pal axis of a

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UTD2000 Series User Mannual

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enu

Description

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turn of parame

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to 28 of the

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ay all the meas

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w of the para

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1 cycle.

parameter fo

meter Diagra

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screen.

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move the Va

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OARSE but

38

Cursor

tton to enab

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unction Key

different typ

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user should

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rotating the

to the ideal

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as moving th

user can rep

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9.1

see

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the followin

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p storage me

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1~20

1~200

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Description

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Description

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Store waveform

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39

orage a

ad menu by

unction Key

e menu. The

ress F1 to ch

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front panel setu

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USB device is p

m

ting

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USB device is p

m

xt page

UTD20

and Loa

pressing th

of STORAG

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hoose store

ps can be store

sition on the US

plugged in and t

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channel to be sa

channel to be sa

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40

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41

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42

X Utili

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execute self- ca

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next Utility Func

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factory default s

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view the system

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umber of w

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RefB

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Descri

43

tion is the

ate of pixels

tion for the

anel of Pass

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you can se

ass and the

ption

to turn on the PA

to turn off the PA

CH1 as the dete

CH2 as the dete

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RefB as the det

the logical resu

the logical resu

as Pass output

as Fail output co

to create templa

to Utility Functi

ss/Fail funct

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pass/fail d

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logical resu

s / Fail outpu

pressing F1

e the total

number of

ASS/FAIL functi

ASS/FAIL functi

ection signal so

ection signal so

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detection fu

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number of w

waveform

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signal source

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you will be a

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unction(Only

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1-200Pixel

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CH1

CH2

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pixel le

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length f

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44

ding to adjustme

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to pass detecti

to Utility functio

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nd Operation

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CH2 as recordi

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to start waveform

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waveform record

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n; Press F4 to l

to return to Utilit

nfirm creati

xels.

UTD20

ent, build horizon

orizontal length

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on menu

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ng signal source

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figure 1

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45

untion

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46

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51

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UTD2000 Series User Mannual