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Cobham Universal Radio Interface

AUD $990.00 AUD $1,450.00 

  • Mobile/FM radio interface
  • Floating key lines
  • RX & Sidetone amplifier
  • Floating audio lines in and out
  • Mic amplifier with adjustable output
  • Selectable functions and levels
  • Power: 0.15 A / 28 VDC
Clear

The AA34 universal radio interface integrates with an aircraft radio to handle the interfacing and switching requirements of mobile or CB radio systems. This unit provides microphone excitation; relay keying, and sidetone generation which also is fully isolated from the aircraft ground.

Weight:
0.40 lb (180 g)

Dimensions:
1.3 x 2.71 x 4.54 in (33 x 68.8 x 115.3 mm)

Mounting:
bulkhead mound with four 10-32 screws

Materials and Finish:
5052-H32 brushed  aluminum chassis and cover with conversion finish

Connectors:
25 pin male filtered D-sub

Input Power:
13.8 VDC±10% mVRMS or 27.5 VDC±10% (select by pin), at 70 mA

Input Signals:
mic, 250 mVRMS @ 150Ω ±10%
audio, 2.5 VRMS @ 600Ω ±10%

Output Signals:
mic, adjustable to 1.5 VRMS max into 600Ω or 178 mVRMS into 8Ω
audio, 100 mW into 8Ω or 600Ω nominal

Frequency Response:
<3 dB from 350 Hz to 6 Hz

Distortion: 
<10% @ rated output

Noise Level:
>50 dB down from rated output (without signal)

Temperature:
-20°C to 55°C, operating
-55°C to 85°C, survival

Altitude:
35,000 ft

Humidity:
95% non-condensing

Shock:
6 G (any axis)

Vibration:
RTCA/DO-160C categories (B, M, N)

Approval:
TSO-C50c (RTCA/DO-170 /Class II, RTCA/DO-160C)

  • AA34-300 Universal Interface Adaptor
Serial Number: P203454 – In Stock  

     

  • Product Condition: REPAIRED / NEW EX-COBHAM – Serviceable (SVC)
  • ARC Provided: Yes – CASA Form 1
  • Notes: This unit has been tested and released serviceable by our radio workshop. For sale is the unit only. Please contact us if you require any further details or assistance sourcing similar parts.
  • Product Photographs Disclaimer: Stock photographs do not show the actual product for sale. While Pacific Avionics makes its best effort to ensure all products are of good repair, photos of the item for sale are available on request.
   

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The AA34 universal radio interface integrates with an aircraft radio to handle the interfacing and switching requirements of mobile or CB radio systems. This unit provides microphone excitation; relay keying, and sidetone generation which also is fully isolated from the aircraft ground.