Leitch FR-684AV - VEA-683 Video Equalizing Amplifier Modules

680 Series Video Distribution Amplifiers Installation and Operation Manual 35
Chapter 8: Specifications
VEA-683 Video Equalizing Amplifier Modules
Table 8-14. VDA-683 Power Requirements Specifications
Item Specification
Power dissipation < 2 W
Table 8-15. VEA-683 Input Specifications
Item Specification
Video input level 1 Vp-p nominal
Maximum input level 2.5 Vp-p centered at 0V
Input impedance 75Ω bridging
Coupling DC
Input return loss > 40 dB to 20 MHz
Common mode rejection ratio > 65 dB to 10 kHz
Table 8-16. VEA-683 Output Specifications
Item Specification
Number of outputs 8
Output impedance 75Ω
Output return loss > 45 dB to 5 MHz
> 40 dB to 10 MHz
Phase match between outputs < ±0.2° at 3.58 MHz
Output isolation > 35 dB at 10 MHz
Response variation < 0.1 dB, 1 to 8 loads at 10 MHz
Table 8-17. VEA-683 Performance Specifications
Item Specification
Gain range –3 dB to + 3 dB
Frequency response < ±0.05 dB to 10 MHz
+0/-0.2 dB at 20 MHz
> –3dB at 50 MHz typically
Differential gain (10–90% APL) < 0.15%
Differential phase (10–90% APL) < 0.15°
Line rate window tilt < 0.20%
Field rate window tilt < 0.20%
S/N > 70 dB by VM700
Hum < 1 mVp-p
Propagation delay 15 ± 1.0 ns