Part #:

Model: 618M-3

Collins Aerospace - VHF Comm Transceiver
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618M-3
FEATURES
  • Provides aircraft communications in the frequency range from 118.00-135.975 MHz
  • Housed in ARINC 1/2-ATR short case
  • Models available with IF filter for 25 or 50 kHz channel spacing (see table below)
  • Models available with connector for easy hookup to Automatic Test Equipment (ATE) - r>(see table below)
  • Models available with IF filter to meet Japanese requirements for 25-kHz channel spacing r>(see table below)
  • Models available with receiver RF attenuator (see table below)
  • Similar to 618M-3A Comm Transceiver but DOES NOT have extended range to 151.975 MHz
SPECIFICATIONS
Weight: 11.0 lbs. Dimensions: ARINC standard 1/2 ATR short
Power requirements: Receive= +27.5Vdc, 1A max; Transmit= +27.5Vdc, 7A max Temperature: -54 to +55 C
Altitude: 55000 ft. max. Design specifications: TSO C37b and C38b, Env. Cat. AD/A/JNG/AAAEXXXXX, ARINC Characteristic 566A, FCC Rules and Regulations parts 15 and 87
Frequency Range: 118.000 to 135.975 MHz in 25-kHz increments Frequency stability: +-0.0015%
Channel Spacing: version dependent (see table below) Frequency control: 2-out-of-5, in accordance w/ ARINC 410
Channel change time: 40 ms max Transmit-receive interval: 40 ms max
Radiated rfi: Meets RTCA Paper 120-61/DO-108 Power output: 25 watts nominal; 20 watts minimum
Output impedence: 52 ohms Harmonic Content: -46 dB mW (25uW)
Spurious content: -75 dB W Modulation capability: 90% amplitude modulation
Modulator input: Carbon mic input 0.25 V adjustable, 150 ohms; data input 600 ohms, 0 dB mW Noise level: 50 dB below 90% modulation
Receiver Sensitivity: 6 dB snr for 3-uV signal Receiver Bandwidth: 6 db= +-8 kHz min, 60 db= +-17 kHz max (for -001,003,004,006,008 units); 6db= +-15 Khz min, 60 dB= +-35 Khz min (for -002,010,011 units); 6 db= +-9.3 kHz min, 60 db= +-19.0 kHz max (for -005 unit)
AGC range: Maximum 3-dB variation, 5 to 400,000 uV Receiver audio output: 100 mW with 30% modulated signal
Part NumberVHF Communications Transceiver Description:
622-1181-001 With IF filter for 25-kHz channel spacing operation
622-1181-002 With IF filter for 50-kHz channel spacing operation
622-1181-003 With IF filter for 25-kHz channel spacing, receiver RF attenuator, ATE connector
622-1181-004 With IF filter for 25-kHz channel spacing, ATE connector
622-1181-005 With IF filter to meet Japanese requirements for 25-kHz channel spacing, receiver RF attenuation, ATE connector
622-1181-006 With IF filter to meet Japanese requirements for 25-kHz channel spacing, receiver RF attenuator, ATE connector
622-1181-008 With IF filter for 25-kHz channel spacing, receiver RF attenuator with special setting, ATE connector
622-1181-010 With IF filter for 50-kHz channel spacing, receiver RF attenuator with special settings
622-1181-011 With IF filter for 50-kHz spacing, ATE connector

 

622-1181-001
- VHF Comm Transceiver
Price Condition Status
REQUEST OH OUTRIGHT REQUEST
REQUEST OH EXCHANGE REQUEST
622-1181-002
- VHF Transceiver
Price Condition Status
REQUEST OH OUTRIGHT REQUEST
622-1181-004
- VHF Comm
Price Condition Status
REQUEST OH OUTRIGHT REQUEST
REQUEST OH EXCHANGE REQUEST
622-1181-006
- VHF Comm
Price Condition Status
REQUEST OH OUTRIGHT REQUEST
REQUEST OH EXCHANGE REQUEST