Analog Video Transmission over Unshielded Twisted Pair (UTP)
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Transcript of Analog Video Transmission over Unshielded Twisted Pair (UTP)
The World Leader in High Performance Signal Processing Solutions
Analog Video Transmission over Unshielded Twisted Pair (UTP)
March 2011
2
Complete Solution for Video over UTP
Long Distance
(0m-300m)
High Performance
R
G
B
Vid
eo S
ou
rce
ADV322xX-point
AD8003 Video Amp
AD8123 Equalizer
AD8146/47/48 Driver
AD8120 Delay Line
AD8143/45 Receiver
MediumDistance
(0m-200m)
Low Cost
R
G
B
Vid
eo S
ou
rce
AD817xX-point
AD8003 Video Amp
AD8124 Equalizer
AD8141/42 Driver
AD8120 Delay Line
3
Complete Solution for Video over UTP Short Distance (30m) – Dongles Most economical ICs
No equalizer or delay compensation, only driver and receiver
Powered from USB of PC Works from 10m to 30m without
customer adjustment Complete Reference Design
Materials Available
1080p
Vid
eo
So
urc
eR
G
B
AD8145 Receiver
AD8148 Driver
4
Drivers
R
G
B
Vid
eo S
ou
rce
ADV322xX-point
AD8003 Video Amp
AD8123 Equalizer
AD8146/47/48 Driver
AD8120 Delay Line
AD8143/45 Receiver
R
G
B
Vid
eo S
ou
rce
AD817xX-point
AD8003 Video Amp
AD8124 Equalizer
AD8141/42 Driver
AD8120 Delay Line
Long Distance
(0m-300m)
High Performance
MediumDistance
(0m-200m)
Low Cost
5
Low Cost UTP Drivers- AD8141 & AD8142
KEY FEATURES Low cost triple differential driver
85 MHz, 0.1 dB flatness with 100ohm load 1200 V/µs slew rate 8.5ns settling time to 1% 225 MHz, −3 dB large signal bandwidth 265 MHz, −3 dB small signal bandwidth
Fixed gain of 2 Differential-to-differential or single-
ended-to-differential operation Low Power: 225mW with +5V or ±2.5V
supplies High-Z output when disabled AD8142 has internal sync-on-common-
mode processing Internal common-mode feedback
network Output balance error (-50dB @ 50 MHz) Available in 24-ld 4 mm × 4 mm LFCSP Sampling Now – Releasing May 2011
Key Benefit Delivers low cost, high resolution video
performance
Budgetary Price @ 1kTemp
$1.65-40°C – +85°C
AD8141
AD8142
NEW
6
High-Speed Triple UTP DriversAD8146, AD8147 & AD8148KEY FEATURES AD8146
700MHz 2Vp-p BW 3000V/us slew rate G=2 uncommitted common-mode
AD8147 600MHz 2Vp-p BW 3000V/us slew rate G=2 sync-on-common-mode
AD8148 700MHz 2Vp-p BW 3000V/us slew rate G=4 sync-on-common-mode
Excellent Phase and Gain Balance -50 dB @ 50 MHz Reduced EMI Interference
Low Power 57 mA for all three drivers
Wide Supply Voltage Range 4.5 V to 10 V
Output Pull-down for line isolation
-
Key Benefit Ideal for Differential Line Driving
Up to UXGA RGB resolution
Temp Budgetary Price @ 1k
-40°C – 85°C $ 2.89-$3.09
AD8147
7
Receivers
Long Distance
(0m-300m)
High Performance
R
G
B
Vid
eo S
ou
rce
ADV322xX-point
AD8003 Video Amp
AD8123 Equalizer
AD8146/47 Driver
AD8120 Delay Line
AD8143/45 Receiver
Vid
eo
So
urc
e
R
G
B
AD8145 Receiver
AD8148 Driver
ShortDistance(0m-30m)
8
AD8143 and AD8145 Triple UTP Receivers for RGB Video
KEY FEATURES AD8143
160 MHz -3dB BW, 2Vp-p, G=1 1000 V/µs Slew rate Wide Input Common Mode Range
± 10.5 V (± 12 V supplies) AD8145
500 MHz -3dB BW, 2Vp-p, G=1 2000V/us Slew rate Input Common Mode Range
± 3.8 V (± 5V supplies) High CMRR
69 dB @ 10 MHz Large Differential Input Impedance
5 MΩ User Adjustable Gain 2 Uncommitted comparators for sync
extraction, etc. Low Offset:
± 3.4 mV 5 mm x 5mm 32 lead LFCSP package Temp Budgetary Price @ 1k
-40°C – 85°C $ 2.55
Key Benefit Ideal for Differential Line Reception
RGB Video
9
Equalizers
High Performance
Long Distance
(0m-300m)
R
G
B
Vid
eo S
ou
rce
ADV322xX-point
AD8003 Video Amp
AD8123 Equalizer
AD8146/47 Driver
AD8120 Delay Line
AD8143/45 Receiver
Low Cost
MediumDistance
(0m-200m)
R
G
B
Vid
eo S
ou
rce
AD817xX-point
AD8003 Video Amp
AD8124 Equalizer
AD8141/42 Driver
AD8120 Delay Line
AD8124 – Triple Differential Receiver with 200m Adjustable Line Equalizer
KEY FEATURES Compensates up to 200 meters of Cat5
UTP or Coax cable for wideband video Fast rise/fall times: 8 ns with 2 V step @
200 meters of UTP cable 37 dB peak gain at 100 MHz
Three adjustment pins to optimize response for variation in cable length and cable type High frequency peaking adjustment (VPEAK) Broadband flat gain adjustment (VGAIN) Pole location adjustment pin (VPOLE)
DC output offset adjust (VOFFSET) Two on-chip comparators
Can be used for common-mode sync extraction
40-lead 6 mm × 6 mm LFCSP package Released!!!
Key Benefit
Provides a competitive 200m (650 ft) solution
Price @ 1kTemp
$5.95-40°C – +85°C
NEW
11
AD8123Triple UTP Receiver with Adjustable Line Equalization
KEY FEATURES UXGA resolution real time video @ 300m
of Cat5 cable Compensates for UTP or Coax/VGA cable
losses Fast rise and fall times
4.9ns w/ 2V step @ 150 meters of UTP cable 8.0ns w/ 2V step @ 300 meters of UTP cable
55 dB peak gain at 100 MHz Two frequency response gain adjustment
pins High frequency peaking adjustment (VPEAK) Broadband flat gain adjustment (VGAIN)
Pole location adjustment pin (VPOLE) Compensates for variations between cables
Output Offset Adjust (VOFFSET) Differential or Single-ended Input Comparators for sync extraction 40-lead 6 x 6 mm LFCSP package
Key Benefit Ideal for Equalization of Video Signals over
long Cat-5 (RGB) or Coaxial/VGA cables
Budgetary Price @ 1kTemp
$ 7.79-40°C – +85°C
12
Delay Line
High Performance
Long Distance
(0m-300m)
R
G
B
Vid
eo S
ou
rce
ADV322xX-point
AD8003 Video Amp
AD8123 Equalizer
AD8146/47 Driver
AD8120 Delay Line
AD8143/45 Receiver
Low Cost
MediumDistance
(0m-200m)
R
G
B
Vid
eo S
ou
rce
AD817xX-point
AD8003 Video Amp
AD8124 Equalizer
AD8141/42 Driver
AD8120 Delay Line
13
AD8120Triple Skew-Compensating Video Delay Line for UTP
KEY FEATURES Independent R, G, and B delay control Delay up to 50ns per ch w/ 0.8ns steps High speed
200MHz BW @ VOUT=1.4V p-p and 0ns delay 150MHz BW @ VOUT=1.4V p-p and 50ns delay
Excellent channel-to-channel matching 30 mV offset matching RTI 0.8% gain matching
Low output offset ±30 mV RTI (No offset correction required)
Low power: 400mW with ±5V supplies Drives 4 double-terminated video loads Digital and analog delay control
6-bit SPI bus I2C bus Analog voltage control
Fixed gain of +2 32-lead, 5 mm × 5 mm LFCSP
Key Benefit Ideal for Correcting the skew delay of Video
Signals over long UTP cables (RGB)
Budgetary Price @ 1kTemp
$ 14.75-40°C – +85°C