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Volume 1Experiments in Modern Analog &

Digital Telecommunications

Barry Duncan

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i

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ii

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=

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°×=Φ

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=

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Ω

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+

−=

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MASTER

SIGNALS

100kHzSINE

100kHzCOS

100kHzDIGITAL

8kHzDIGITAL

2kHzSINE

2kHzDIGITAL

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

B

A

ADDER

G

GA+gB

g

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

YDC kXY

DC

X

AC

COMPARATOR

RECTIFIER

DIODE& RC LPF

REF

IN OUT

RCLPF

UTILITIES

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MASTER

SIGNALS

100kHz

SINE

100kHz

COS

100kHz

DIGITAL

8kHz

DIGITAL

2kHzSINE

2kHz

DIGITAL

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

YDC kXY

DC

X

ACf Cx100

f C

GAIN

IN OUT

TUNEABLE

LPF

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MASTERSIGNALS

100kHz

SINE

100kHz

COS

100kHz

DIGITAL

8kHz

DIGITAL

2kHz

SINE

2kHzDIGITAL

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

Y DC kXY

DC

X

AC

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISE

GENERATOR

f Cx100

f C

GAIN

IN OUT

TUNEABLE

LPF

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MASTER

SIGNALS

100kHzSINE

100kHzCOS

100kHzDIGITAL

8kHzDIGITAL

2kHz

SINE

2kHzDIGITAL

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

YDC kXY

DC

X

AC

A

SPEECH

VARIABLEDCV

VDC

GND

VDC

+5V

EXOR

B A + B

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISE

GENERATOR

f Cx100

f C

GAIN

IN OUT

TUNEABLELPF

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MASTERSIGNALS

100kHz

SINE

100kHzCOS

100kHzDIGITAL

8kHz

DIGITAL

2kHzSINE

2kHzDIGITAL

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

YDC kXY

DC

X

AC

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISEGENERATOR

IN OUT

0O

180O

PHASE

PHASESHIFTER

LOf Cx100

f C

GAIN

IN OUT

TUNEABLELPF

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MASTER

SIGNALS

100kHz

SINE

100kHzCOS

100kHzDIGITAL

8kHzDIGITAL

2kHzSINE

2kHz

DIGITAL

Y

DC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

YDC kXY

DC

X

AC

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISE

GENERATOR

VCO

GAIN

DIGITAL

FREQ

HI

LO

VCO

INPUT

SINE

f Cx100

f C

GAIN

IN OUT

TUNEABLELPF

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MASTERSIGNALS

100kHzSINE

100kHzCOS

100kHzDIGITAL

8kHzDIGITAL

2kHzSINE

2kHzDIGITAL

IN OUT

0O

180O

PHASE

PHASESHIFTER

LO

YDC

AC

MULTIPLIER

MULTIPLIER

kXY

X DC

Y DC kXY

DC

X AC

B

A

ADDER

G

GA+gB

g

MULTIPLIER

X DC

Y DC kXY

SERIAL X1

X2CLK

SERIAL TOPARALLEL

S/ P

f Cx100

f C

GAIN

IN OUT

TUNEABLELPF

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=

× µ

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCOINPUT

SINE

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MASTER

SIGNALS

100kHzSINE

100kHzCOS

100kHz

DIGITAL

8kHz

DIGITAL

2kHzSINE

2kHzDIGITAL

WIDTH

CLK

DELAY

TWIN PULSE

GENERATOR

Q2

Q1

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCOINPUT

SINE

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RC LPF

REF

IN OUT

RCLPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSEGENERATOR

Q2

Q1

ADDER

BASEBAND

LPF

SIGNAL

NOISE

CHANNELOUT

CHANNEL

MODULE

CHANNELBPF

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCOINPUT

SINE

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RCLPF

REF

IN OUT

RCLPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSE

GENERATOR

Q2

Q1

ADDER

BASEBAND

LPF

SIGNAL

NOISE

CHANNELOUT

CHANNEL

MODULE

CHANNELBPF

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCO

INPUT

SINE

A

SPEECH

VARIABLEDCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RCLPF

REF

IN OUT

RCLPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSEGENERATOR

Q2

Q1

ADDER

BASEBANDLPF

SIGNAL

NOISE

CHANNEL

OUT

CHANNELMODULE

CHANNEL

BPF

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCO

INPUT

SINE

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RC LPF

REF

IN OUT

RCLPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSEGENERATOR

Q2

Q1

ADDER

BASEBANDLPF

SIGNAL

NOISE

CHANNEL

OUT

CHANNEL

MODULE

CHANNELBPF

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCOINPUT

SINE

A

SPEECH

VARIABLEDCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RCLPF

REF

IN OUT

RCLPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSEGENERATOR

Q2

Q1

MASTERSIGNALS

100kHz

SINE

100kHz

COS

100kHz

DIGITAL

8kHz

DIGITAL

2kHz

SINE

2kHz

DIGITAL

ADDER

BASEBAND

LPF

SIGNAL

NOISE

CHANNELOUT

CHANNELMODULE

CHANNELBPF

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f Cx100

f C

GAIN

IN OUT

TUNEABLELPF

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VCO

GAIN

DIGITAL

FREQ

HI

LO

VCO

INPUT

SINE

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

COMPARATOR

RECTIFIER

DIODE& RCLPF

REF

IN OUT

RC LPF

UTILITIES

WIDTH

CLK

DELAY

TWIN PULSE

GENERATOR

Q2

Q1

A

SPEECH

VARIABLE

DCV

VDC

GND

VDC

+5V

EXOR

B A + B

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISE

GENERATOR

f Cx100

f C

GAIN

IN OUT

TUNEABLE

LPF

ADDER

BASEBANDLPF

SIGNAL

NOISE

CHANNELOUT

CHANNEL

MODULE

CHANNELBPF

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MASTER

SIGNALS

100kHzSINE

100kHzCOS

100kHz

DIGITAL

8kHzDIGITAL

2kHz

SINE

2kHzDIGITAL

PCM

ENCODER

FS

CLK PCM

DATA

TDM

INPUT 2

INPUT 1

PCM

VCO

GAIN

DIGITAL

FREQ

HI

LO

VCO

INPUT

SINE

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ADDER

BASEBAND

LPF

SIGNAL

NOISE

CHANNEL

OUT

CHANNEL

MODULE

CHANNELBPF

BUFFER

GAIN

OUTIN

0dB

-6dB

-20dB

NOISE

GENERATOR

Output

Input

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Emona ETT101 Vol 1

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Transcript of Emona ETT101 Vol 1