Release 1.7 © XCOM Avionics 2005 www.xcom760.com Page 19
XCOM VHF Transceiver Specifications - Subject to Change
• Approvals: FCC, FAA, Finland CAA
• Tested to TSO C37d and C38d, environmental DO-160D
• Receiver Class D
• Transmitter Class 4
• Note: transceiver was designed to these specifications and meets and
complies with these, but has not yet been submitted for official TSO testing
• 118.000 to 136.975 MHz, 760 channels transmit and receive (AM) receiver
sensitivity AM (118 – 136.975 MHz.): not less than 12 db SINAD for 1.5 uv
(30% AM at 1 kHz. audio)
• 160 to 163 MHz. NOAA weather channels receive
• 137 to 163 MHz. general coverage receive, receiver sensitivity FM (137 – 163
MHz.): Not less than 12 db SINAD for 0.7uv (±3.3 kHz. deviation at 1 kHz.
audio) Typically 12dB SINAD @ 0.5uv
• 108 to 117.975 VOR receive only audio (no nav) receiver sensitivity AM (108
– 117.975 MHz.): Not less than 12db SINAD for 2.0 uv (30% AM at 1 kHz.
audio)
• 140 to 144.00 MHz. CAP capable (on request – subject to FCC approval)
• Quasi alphanumeric display - 2 line backlight LCD
• Backlighting - LCD display and keypads, external lighting control volts
• Memories - 99 user definable memories, non volatile (no battery required)
• Transmit power – 5.5 Watts (+ 1dB / - 0.5 dB) into 50 Ohms (5.9 watts
nominal). Approximately 2 watts emergency operation (10 volts input)
• Modulation – High level amplitude modulation with a maximum modulation
depth of 80%
• Transmit timeout 30 seconds default (user selectable)
• Microphones - Electret > 100mv into 200 ohm
• Intercom: 2 place voice activated (vox) with CD music input
• Auxiliary input for CD/MP3 music system max 1 volt p-p into 600 ohm
• Input voltage - 13.8 vdc (8 to 16 vdc receive, 10.0 volts transmit, reduced
output)
• Current consumption - < 140ma receive (muted) with no intercom. <2.5
amps transmit
• 2.2 amps transmit nominal
• Voltage alert - low battery indication, user definable (default 10.5 vdc)
• Voltage alert - high battery indication, user definable (default 14.5 vdc)
• Operating Temperature range - -20 to +55 °C (emergency -40 to + 85 °C
with reduced performance)
• Speaker audio output - @ 13.8 Vdc: > 3 Watts rms into 8 Ohms @ 10% thd
• RS232 programming port for downloading memory channels and operating
parameters etc. from a PC. Also used for software upgrades
• Optional remote control module allows PTT operated frequency selection, dual
watch and memory channel operation.
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