Leitch 880 Series, Инструкция по эксплуатации

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880 Series Audio Distribution Amplifiers Instruction Manual 51
Chapter 14: Specifications
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
ADA-880 Audio Distribution Amplifier Module
Input
Output
Performance
Table 14-8. ADA-880 Input Specifications
Item Specification
Impedance > 50K
Ω
, balanced
Max. level +30 dBm
Common mode range ± 20 volts
Common mode rejection > 90 dB @ 60 Hz
> 60 dB @ 20 kHz
Table 14-9. ADA-880 Output Specifications
Item Specification
Number of outputs 8
Impedance 600
Ω
, balanced (150
Ω
optional)
Max. level +24 dBm (+27 dB @ 150
Ω
)
Output to output isolation > 70 dB 20 Hz to 20 kHz
Table 14-10. ADA-880 Performance Specifications
Item Specification
Gain range –6 to +33 dB
(± 6 dB on 18-turn pot, 0, +9, +18, +27
dB on switch)
Signal to noise > 100 dB @ unity gain 20 Hz – 20 kHz,
relative to +8 dBm signal, unweighted
Frequency response < ± 0.05 dB 20 Hz – 20 kHz, relative to 1
kHz, any level up to +24 dBm
Total harmonic distortion < 0.02% 20 Hz – 20 kHz @ +24 dBm, all
outputs loaded
Intermodulation distortion < 0.01% SMPTE @ +18 dBm
< 0.02% SMPTE @ +24 dBm
Isolation between modules > 100 dB, 20 Hz – 20 kHz
Temperature range 32° – 122° F (0° – 50° C)