Key Digital HD View KD-ADA4, HD View 4 KD-ADA4 Technical Specifications
KEY DIGITAL® WEB SITE TEXT DISTRIBUTION AMP TECHNICAL SPECIFICATIONS
Video / Audio Distribution Amplifiers
HD View™ 4, Model KD-ADA4
Technical Specifications
General
4-channel component (and composite) video distribution
Crystal-clear video distribution, with cable runs up to 1000 feet long
Supports all HD and SD video formats, 60 Hz and 50 Hz
Supports Left and Right analog stereo, or digital PCM audio distribution
Cascadeable, so you can easily expand and future-proof your system
Inputs
There is 1 HDTV/SDTV Input Group, consisting of 6 color-coded RCA female connectors for inputting:
o Component Video (YPrPb) with composite sync on “Y”
o Composite Video (CV) or digital PCM audio
o One analog audio (standard line-type Left & Right pairs)
Outputs
There are 4 discrete Output Groups, and each Output Group consists of 6 color-coded RCA female
connectors for outputting:
o Component Video (YPrPb) with composite sync on “Y”
o Composite Video (CV) or digital PCM audio
One analog audio (standard line-type Left & Right pairs)
Signal Properties
All known video formats are accepted
Output scanning format is always the SAME as the input scanning format
Component Video
o Bandwidth -3 dB at 120 MHz, linear-phase passband
o Unity-gain, 1 volt p-p, terminated to 75 ohms
o Composite sync on “Y” channel
Audio
o Bandwidth flat 20 Hz to 50 MHz
o Analog (standard line-type Left & Right pairs) or digital PCM audio
o Digital PCM audio
Modes of Operation
The six (6), 8-bit DIP Switches must be set to the desired Operating Mode, as described in the Operation
Manual
ADA4 Mode:
o Distribution of your YPrPb and Left & Right analog or digital PCM audio inputs to as many as
four separate Component Video monitors
o Distribution of your YPrPb and Left & Right analog audio and Composite Video (CV) inputs
simultaneously to as many as four separate Component Video and Composite Video displays
PCMD4 Mode:
o Distribution of your single digital PCM audio input to as many as 24 separate destinations
o Distribution of your single Composite Video (CV) input to as many as 24 separate destinations
Adjustments (on front panel)
Independent gain control adjustment provided for all four Output Groups for all video signals (YPrPb &
Composite Video) to compensate for excessive cable lengths up to 1000 feet
Sixteen (16) front-panel adjustment potentiometers
KeyDigital_WebSite_DISTRIBUTIONAMPTechnicalSpecs_V1 8 August 5, 2005
KEY DIGITAL® WEB SITE TEXT DISTRIBUTION AMP TECHNICAL SPECIFICATIONS
o Adjustment procedure is based on measured output cable resistance
o Each run of YPrPb cable must be the same length per output
Mechanical
Easy to install and integrate -- Custom Installer’s dream
Connectors and cables are all located on the rear of the unit
o All video and audio inputs and outputs have color-coded RCA female connectors
o 5-pin DIN power connector
Cable compensation adjustment potentiometers are on the front of the unit
Rack mountable: 1U
Size: 17" x 8" x 1.5"
Weight: 4 lbs.
Enclosure type: Metal
Input Power: External power supply provided, 110-240V AC, 50-60 Hz, 0.9A
KeyDigital_WebSite_DISTRIBUTIONAMPTechnicalSpecs_V1 9 August 5, 2005
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