Jupiter Avionics JA95-N22, Installation And Operating Manual

Page: 8 / 42

JA95-N22 Audio Controller - Flight Crew - NVG
Installation and Operating Manual
Rev B Page 4
Output Load
Phone load 600 Ω ± 10%
Transceiver Microphone load 150 Ω ± 10%
CVR load 5000
Ω ±
10%
Receive Composite Audio load 600 Ω ± 10%
Intercom Tie Line type 1 rated load 2000 Ω ± 10%
Intercom Tie Line type 2 rated load 2000
Ω ±
10%
Intercom Tie Line type 1 maximum load 666 Ω max (3 loads)
Intercom Tie Line type 2 maximum load 285
Ω
max (7 loads)
Volume Controls
Receive Audio control variation 32 ± 3dB
ICS Audio control variation 42
±
3dB
Input to output Crosstalk and Bleed-through Level
Input to Output crosstalk ≤55 dB
Input to Input Crosstalk Level
Input to Input crosstalk ≤60 dB
Audio Noise Level without Signal
Noise level below the rated output ≥ 60 dB
1.4.1.2 Audio Performance, Other
CVR HI / LO output circuitry type (Normal) differential
CVR HI / LO output circuitry type (Emergency) single ended
Microphone inputs designed for MIC type amplified dynamic
Microphone inputs bias voltage 11 Vdc ± 10%
Microphone inputs circuitry type single ended
MUSIC LEFT / RIGHT HI / LO audio input circuitry type differential
FRONT MUSIC LEFT / RIGHT audio input circuitry type: single ended
MUSIC attenuation 40 dB max
RECEIVE AUDIO input circuitry type differential
PHN HI / LO output circuitry type single ended
MIC output circuitry type differential
RX Composite Audio output circuitry type differential
ICS TIE HI / LO Circuitry Type differential
PHN HI / LO output music fade in duration 2.5 ± 1.0 seconds
VOX Threshold level range relative to rated MIC input -30 to +12 dB
VOX Delay Time range 0.5 to 2.0 seconds
Transmit Timer duration 90 ± 30 seconds
1.4.1.3 Discrete Signals
Active low control input, active signal level ≤ +3 Vdc
Active low control input, inactive signal level
≥
+10 Vdc
Active low control input, current ≤ 10 mAdc
Active low control output, active output
≤
+2 Vdc
Active low control output, active, current
≤
1 Adc
ALERT ENABLE signal active signal level ≥ +9 Vdc
ALERT ENABLE signal, when active, sinks
≤
10 mAdc
ALERT ENABLE signal inactive signal level ≤ +3 Vdc
1.4.1.4 Lights Input
LIGHTS INPUT ranges 0 to 28, 0 to 14 and 0 to 5 Vdc
LIGHTS INPUT current 10 mA max.