PS Engineering PMA7000CD Installation Manual User Manual
Page 6

PS Engineering
PMA7000CD- Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-790-0010
Page 1-3
Revision 10, September 2005
1.5 SPECIFICATIONS
TSO COMPLIANCE
Marker Beacon:
C35d, Class A
Audio Selector/Intercom:
C50c, Class A
APPLICABLE DOCUMENTS:
RTCA/DO-214 RTCA/DO-143 RTCA/DO-160C
RTCA/DO-178B
ENVIRONMENTAL Qualifications:
A1D1/CA(MN)XXXXXXBBBBTBKXX
Operating Temperature Range:
-15º C to 55ºC
Altitude:
Up to 50,000 feet in an non-pressurized area
DIMENSIONS:
Height: 1.3 in. (3.3 cm) Width: 6.25 in. (16.9 cm)
Depth: 6.8 in. (17.3 cm)
WEIGHT (With Rack & Connectors):
1.5 lb. (0.54 kg)
POWER REQUIREMENTS (Including Internal Lighting):
Voltage:
11 to 33 VDC
Maximum Current:
2.5 Amp (Externally protected by a 3A pull-type
breaker)
Audio Selector Specifications
Audio selector panel input impedance:
510
Ω
Input Isolation:
-60 dB (min.)
Speaker Muting:
-60 dB (min.)
Speaker Output (into 4
Ω) with no clipping
14 VDC:
28 VDC:
3 Watts (min.)
10 Watts (min.)
Receiver Inputs:
9 (Com 1, Com 2, Com 3, Nav 1, Nav 2, ADF,
DME, MKR, AUX)
Unswitched Inputs:
4
Transmitter Selections:
6 (Com 1, Com 2, Com 3
Com1/2, Com1/3, Duplex Telephone)
Speaker Impedance:
4
Ω
Headphone Impedance:
150 – 1000
Ω
Headphone Output:
38 mW each headset, no clipping <1% THD
Microphone Impedance:
150 - 600
Ω
Intercom Specifications
Intercom Positions:
6 places (with individual IntelliVox® circuits)
Music Inputs: 2
(Stereo)
Music Muting:
>-30 dB "Soft Mute" when Com or intercom active.
Distortion:
<1% THD @ 38 mW into 150
Ω
Mic Freq. Response, 3 dB:
300 Hz - 6000 Hz
Music Freq. Response, 3 dB:
20 Hz - 18kHz
MARKER BEACON RECEIVER:PMA7000MS-CD only
Frequency:
75 MHz Crystal Controlled
Sensitivity:
Low:
High:
Capable of: (preset at factory for field application)
1000
µVolts (Hard) (360 to 570 µV soft)
200
µVolts (Hard) (130 to 200 µV soft)
Selectivity:
-6 dB at ±10 kHz
-40 dB at ±120 kHz
External Lamp Output:
7.5 (±4 VDC unloaded, at maximum brightness) VDC
positive when active, max. current 125 mA
MM Sense:
Active high (4.5 ± 1.0VDC)