Leitch 880 Series, Инструкция по эксплуатации

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66 880 Series Audio Distribution Amplifiers Instruction Manual
Chapter 14: Specifications
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
ASD-880-GR Stereo Audio Distribution Amplifier
Module (600
Ω
Impedance)
Input
Output
Performance
Table 14-53. ASD-880-GR (600
Ω
Impedance) Input Specifications
Item Specification
Impedance > 30 k
Ω
, balanced
Max. level +30 dBm
Common mode range ± 20 volts
Common mode rejection > 90 dB @ 60 Hz
> 60 dB @ 20 kHz
Table 14-54. ASD-880-GR (600
Ω
Impedance) Output Specifications
Item Specification
Channels 2
Outputs per channel 4
Impedance 600
Ω
balanced
Max. level +24 dBm
Output to output isolation > 70 dB 20 Hz to 20 kHz
Table 14-55. ASD-880-GR (600
Ω
Impedance) Performance
Specifications
Item Specification
Gain range – 17 to +32 dB
(± 6 dB on 18-turn pot, 9 dB increments
on jumper)
S/N ratio > 100 dB @ unity gain 20 Hz – 20 kHz,
relative to +8 dBm signal, unweighted
Frequency response < ± 0.05 dB 20 Hz – 20 kHz, rel. to 1
kHz, any level up to +24 dBm
Total harmonic distortion < 0.05%, 20 Hz – 20 kHz @ +24 dBm
Intermodulation distortion < 0.02% SMPTE @ +18 dBm
Isolation between modules > 100 dB, 20 Hz – 20 kHz
Interchannel crosstalk > 95 dB, 20 Hz – 20 kHz
Temperature range 41° – 104° F (5°– 40° C)