Signal Processing Systems : Distribution Amplifiers : Evertz - 7700ADA7-EQ

Analog Video Equalizing Distribution Amplifier

Model: 7700ADA7-EQ

75 Ohms or high impedance input (jumper selectable)
High common mode range and common mode rejection ratio (CMRR)
Gain control
Jumper selectable AC or DC coupling
Jumper selectable fast or slow back porch clamp

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The 7700ADA7-EQ Equalizing Analog Distribution Amplifier is a general purpose amplifier for distributing analog signals. The 7700ADA7-EQ features one balanced input with seven outputs. The 7700ADA7-EQ has been designed to distribute a wide range of analog video signals. It can also distribute other pulses and signals that do not exceed 2V p-p. The 7700ADA7-EQ occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.

75 Ohms or high impedance input (jumper selectable)
High common mode range and common mode rejection ratio (CMRR)
Gain control
Jumper selectable AC or DC coupling
Jumper selectable fast or slow back porch clamp
DC level control when clamp is enabled
Cable equalizer adjustment range: 0m to 300m of 8281 or 1694A
Looping feature with external "T" connector and external termination
Consistent input impedance if card power is lost

Spec Sheet available - Yes

Analog Video Input - Standard: Any analog video format up to 2V p-p and 30MHz bandwidth
Analog Video - Number of Inputs: 1
Analog Video Input - Connector: BNC per IEC 61169-8 Annex A
Analog Video Input - Common mode range: > 6V p-p
Analog Video Input - CMRR: > 70dB to 1kHz
Analog Video Input - Signal Amplitude: 2.5V p-p max
Analog Video Input - Equalization: 0m to 300m of Belden 8281 or 1694A
Analog Video Input - Impedance: 75 Ohms terminated, 35k Ohms Hi-Z (jumper selectable)
Analog Video Input - Coupling: AC or DC (jumper selectable)
Analog Video Input - Return loss: > 40dB up to 10MHz, > 30dB up to 30MHz
Analog Video Input - Clamp Range: > ±600mV
Analog Video Input - Fast Clamp Attenuation of 60Hz: > 36dB
Analog Video - Number of Outputs: 7
Analog Video Output - Connector: BNC per IEC 61169-8 Annex A
Analog Video Output - Impedance: 75 Ohms
Analog Video Output - Gain Control Range: ±5dB
Analog Video Output - DC Level: < ±100mV (DC coupling active and back porch clamp disabled)
Analog Video Output - DC Level Control Range: < ±200mV (with back porch clamp enabled)
Analog Video Output - Frequency Response: < ±0.05dB no equalization (to 5.5MHz); < ±0.09dB for 5 to 100m Belden 8281 or 1694 (to 5.5MHz); < ±0.15dB for 100 to 300m Belden 8281 or 1694 (to 5.5MHz)
Analog Video Output - Differential Gain: < 0.17%, 0 to 300m
Analog Video Output - Differential Phase: < 0.19°, 0 to 300m
Analog Video Output - C/L gain inequality: < ±0.1% for all cable lengths
Analog Video Output - C/L Delay: < ±2ns
Analog Video Output - Isolation: > 42dB to 10MHz, > 32dB to 30MHz
Analog Video output - Return loss: > 40dB to 30MHz
Analog Video Output - Noise Performance: < -78dB RMS NTC7 weighting; < -70dB RMS 15kHz to 5.5MHz
Voltage: +12V DC
Power: 5 Watts
Number of Slots: 1

Analog Video Equalizing Distribution Amplifier 46 kb - Data Sheet

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