AA95-766 Single Channel Audio Controller
SM95-766 Installation and Operation Manual
June 20, 2012 Rev: 3.00 Page 1-3
ENG-FORM: 800-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
Impedance 1 kΩ ±10% for receive inputs
1 kΩ ±10% for co-pilot and passenger mic inputs
(150 Ω amplified dynamic Industry standard ‘carbon
equivalent’ type. 250 mVrms for rated output)
5 ±1 Ω for pilot mic input (5 Ω dynamic Military M87
or equivalent, 0.1 to 1.0 mVrms 250 uVrms for
rated output)
1.3 kΩ ±10% for Direct Audio input
Circuitry Type All are single ended inputs.
Coupling <-50 dB
Key lines Pilot & co-pilot transmit PTT
Rear hand mic transmit PTT
Pilot & co-pilot ICS PTT
Output Signals:
Quantity 6 Headphone outputs
6 Transmitter mic outputs
5 Transmitter keyline outputs
Headset Rated level 12.3 Vrms or 250 mW (24 dBm) into 600 Ω
Circuitry Type Single-ended, except for phones, which are
balanced.
Freq. Response
Sidetone <6 dB from 370 Hz to 2800 Hz
Receive inputs <6 dB from 370 Hz to 2800 Hz
Intercom <6 dB from 350 Hz to 2800 Hz
Distortion <10% THD+N @ rated power output
Audio Noise Level >50 dB down from rated output (no signal)
Coupling <-50 dB
Output Regulation at 400% <10% distortion / ∆3 dB max of rated output power
and 75% of rated load.
Keylines Transmit key is active low
Intercom keyline is active low
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