Signal Processing Systems : Distribution Amplifiers : Evertz - 7700ADA-ETSI

High Amplitude Analog Distribution Amplifier

Model: 7700ADA-ETSI

75 Ohms input impedance
Distribute signals up to ±3.5V to 30MHz
High common mode range and common mode rejection ratio (CMRR)
±5.5dB Gain control range
Jumper selectable AC or DC coupling

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The 7700ADA-ETSI High Amplitude Distribution Amplifier is a general purpose amplifier with an equalizing function for distributing a wide range of digital and analog signals. It has been designed to distribute pulses and signals up to ±3.5V amplitude as well as analog video signals. The 7700ADA-ETSI can transport ITU-T G.703 E12 (physical/electrical characteristics of hierarchical digital interface at 2048kb/s) signals. The 7700ADA-ETSI features one balanced equalized input with four outputs. The 7700ADA-ETSI 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 input impedance
Distribute signals up to ±3.5V to 30MHz
High common mode range and common mode rejection ratio (CMRR)
±5.5dB Gain control range
Jumper selectable AC or DC coupling
Cable equalizer adjustment range: 0 to 300m of Belden 8281 or 1694A
Consistent input impedance if card power is lost

Spec Sheet available - Yes

Input Standards: Any analog waveform up to ±3.5V and 30MHz bandwidth
Number of Inputs: 1
Input Connector: BNC per IEC 61169-8 Annex A
Common Mode Range: > 6V p-p
CMRR: > 60dB to 1kHz
Signal Amplitude: Up to ±3.5V
Cable Equalizer: 0 to 300m of Belden 8281 or 1694A cable
Impedance: 75 Ohms
Coupling: AC or DC (jumper selectable)
Return Loss: > 40dB to 10MHz, > 25dB to 30MHz
Number of Outputs: 4
Output Connector: BNC per IEC 61169-8 Annex A
Output Impedance: 75 Ohms
Gain Control Range: ±6dB
Freq. response: < ±0.05dB no equalization (to 5.5MHz); < ±0.09dB for 5 to 100m Belden 8281 or 1694A (to 5.5Mhz); < ±0.15dB for 100 to 300m Belden 8281 or 1694A (to 5.5Mhz)
Differential Gain: < 0.25% 0 to 300m (for single load)
Differential Phase: < 0.19° 0 to 300m
C/L gain inequality: < ±0.1% for all cable lengths
C/L Delay: < ±2ns
Output Isolation: > 42dB to 10MHz, > 32dB to 30MHz
Output Return Loss: > 40dB to 30MHz
Noise Performance: < -68dB RMS NTC7 weighting, < -60dB RMS 15kHz to 5.5MHz
Voltage: +12V DC
Power: 2.5 Watts

High Amplitude Analog Distribution Amplifier 102 kb - Data Sheet

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