Specifications

Benhur Corporation – Multidyne, International Sales
13
Video Automatic Gain, EQ and Chroma Distribution Amplifier
• Automatic video Gain adjustment to 1 Volt peak to peak with 100 IRE maximum luminance peak.
• Automatic flatness Equalization for more than 4000 feet of Belden 8281 and
more than 3000 feet of Belden
• RG59U to within +/- 0.05dB at 3.58MHz.
• Supports two switch selectable cable types ( Belden 8281 and
RG59U typical ).
• Automatic chrominance adjustment +/- 9 dB to broadcast specifications.
(VAGC-200 only)
• Equalizers for other cable types are available.
• Back-porch clamp with up to 60 Vp-p hum cancellation.
• Video present LED indicator.
VAGC-100 Portable Stand-alone Model
• The unit automatically compensates for signal degradation for Satellite, Cable TV Head-ends, ENG, Off-air Signals and
roll-off due to coaxial cable.
VAGC-100
VAGC-200
• High impedance loop-through input and up to 8 outputs with source terminations
of 75 Ohms.
Model VAGC-200 Modular Plug-in
• Plugs into the MULTIDYNE UTIL-200-2RU-AC, 10 module, 8 output tray with 2 redundant power supplies.
• 85 - 265 VAC Auto-ranging Power Supply and 48 VDC Power Supply available for all trays.
• Fully compatible with the Grass Valley™ 8500/8800/8900 Trays.
• Stand-alone with L x Wx H, 5 ½" by 5 ½” by 1 ¾” or triple rack-mount in 1 ¾” by 19” rack space with 5 ½” depth. •
Operates from 110 and 220 VAC (optional front panel switch) and from a 12V Battery or external 12 VDC.
Model VAGC-100 Portable Stand-alone or Rack-mount
Input video level range 0.35 to 2 Volts
Gain accuracy automatic +/-0.05 dB
Chrominance burst amplitude accuracy
Clamp type Back-porch, sampling, feedback
Equalization Max. Range 8281 type cable > 4000 ft automatic
Equalization Max. Range RG-59U type cable > 3000 ft automatic
Chrominance adjustment range > +/- 9 dB
Differential Gain < 0.2 %
Differential Phase < 0.2 º
Line or Field Tilt < 0.5 %
Signal to Noise > 72 dB
Common Mode Rejection (60 Hz) > 66 dB
Return Loss, to 5 MHz > 42 dB
Power consumption, MAX. < 2 Watts
+/-0.05 dB
VAGC-200, Modular Plug-in Video Automatic Gain, EQ and Chroma Distribution Amplifier for the UTIL-200 Tray.
VAGC-100, Stand-alone Video Automatic Gain and EQ Distribution Amplifier.
Options: -RMT, Triple Rack-mount Kit for the VAGC-100;
-110/220SW, 110 and 220 VAC Front Panel Selector Switch.
Distribution Amplifiers, Automatic Gain, EQ