VHF 22C
- Proline II remote-mounted, multichannel VHF voice transceiver providing AM voice communications in the frequency range from 118.000-136.975 in 8.33 kHz increments
- Can be used with Proline II CTL-22C control
- Accept either 2-out-of-5 parallel or RS-422A serial digital tuning data from frequency control unit
- Versions available with improvements for reduction VHF harmonics level in GPS band to prevent los of GPS satellite reception when in VHF transmit mode, with improvements for reduced low-frequency transmitter input audio response
DIMENSIONS |
3.750"W x 3.50"H x 13.9"L |
WEIGHT |
5.6 lbs |
TEMPERATURE RANGE |
-65 to 131°C |
ALTITUDE |
up to 55 000 feet |
SHOCK |
6 g for 11 ms, operating |
FREQUENCY RANGE |
117.000 to 136.975 MHz |
FREQUENCY STABILITY |
about 0.0015 |
CHANNEL SPACING |
25 kHz |
FREQUENCY CONTROL |
2-out-of-5, in accordance w/ ARINC 410 |
CHANNEL CHANGE TIME |
Less than 50 ms |
TRANSMIT-RECEIVE INTERVA |
Less than 50 ms |
RF POWER OUTPUT |
20W nominal; 16W minimum |
OUTPUT IMPEDANCE |
52 ohms, unbalanced |
HARMONIC CONTENT |
60 dB down from carrier minimum |
SPURIOUS CONTENT |
90 dB from carrier minimum |
MODULATION CAPABILITY |
90% amplitude modulation |
MODULATOR INPUT |
Carbon mic input 0.125 V adjustable, 150 ohms |
SIDETONE OUTPUT |
100mW into 600 ohms with 90% modulation |
DUTY CYCLE |
1-minute transmit; 4-minute receive |
NOISE LEVEL |
50 dB below 85% modulation at 1kHz |
AUDIO RESPONSE |
6dB variation from 300 to 2500 Hz |
AUDIO DISTORTION |
15% max, 85% modualtion |
AGC RANGE |
Maximum 3dB variation, 5µV to 0.2V |
RECEIVER AUDIO OUTPUT |
100 mW into 600 ohms, balanced |
RECEIVER AUDIO RESPONSE |
6dB variation from 300 to 2500 Hz, 1000-Hz reference |
RECEIVER AUDIO DISTORTION |
7% max, 30% modulated signal |
RADIATED RFI |
Meets RTCA Paper DO-138, DO-109, DO-110 |
RELATED DOCUMENTS |
DO-138, Env Category AD/A/JNG/ AAAEXXXXX; TSO C37b and C38b, class 1, FCC rules and regulations, parts 15 and 87 |
PART NUMBER | DESCRIPTION |
822-1113-001 |
Basic unit |
822-1113-021 |
Includes filtering for GPS as detailed above |
822-1113-023 |
Includes filtering for GPS and reduced low frequency transmitter input audio response |