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GENERAL INFORMATION
7610 (VHF) AND 7640 (UHF) MOBILE SPECIFICATIONS
The following are general specifications intended for use in testing and servicing this transceiver. For current advertised specifications, refer to the specification sheet available from your sales representative. Values are typical and are subject to change without notice.
| GENERAL |
Frequency Range | VHF: |
| UHF: |
| performance degradation from |
Operating Modes | Conventional |
Channels | 32 maximum (2 banks x 16 channels available) |
Transmit/Receive Separation | Any frequency within the range |
Channel Spacing (dual IF Models) | VHF - 12.5 kHz (narrow band) and 30 kHz (wideband) |
| UHF - 12.5 kHz (narrow band) and 25 kHz (wideband) |
Maximum Deviation | 12.5/15 kHz channel spacing - 2.5 kHz maximum |
| 25 kHz channel spacing - 5.0 kHz maximum |
Frequency Stability | 5.0 PPM (VHF), 2.5 PPM (UHF) from |
Dimensions (w/o controls) | 1.6” H x 5.5” W x 6.7” D (4.1 cm x 13.9 cm x 17.0 cm) |
Weight | 2 lb. 11 oz. (1.22 kg) |
Supply Voltage | 13.6 volts DC nominal |
Current Drain (maximum) | Standby - 200 mA standby |
| Receive (rated audio out) - 700 mA |
| Medium Tx Power - 6.0 A (VHF), 7.0 A (UHF) |
| High Tx Power - 15 A max/10 A typ (VHF), 11 A max/8 A typ (UHF) |
FCC Compliance | Parts 15 and 90 |
| RECEIVER |
Sensitivity (12 dB SINAD) | 0.25 µV |
Selectivity | 70 dB at 25 kHz, 60 dB at 12.5 kHz |
Spurious and Image Rejection | 70 dB |
Intermodulation | 65 dB |
Hum and Noise | 46 dB at 25 kHz, 40 dB at 12.5 kHz |
Maximum Frequency Spread | Any spread within the range |
Audio Power Output | 3.5 W into |
Audio Distortion | Less than 10% at 1 kHz with 60% deviation |
Audio Response | +2, |
RF Input Impedance | 50 ohms |
| TRANSMITTER |
RF Power Output | VHF: 45W (high), 25W (low 1), 4.5W (low 2) |
| UHF: 35W (high), 20W (low 1), 3.5W (low 2) |
Spurious and Harmonic Emissions | 70 dB |
FM Hum and Noise | 46 dB at 25 kHz, 40 dB at 12.5 kHz |
Audio Modulation | 12.5 kHz - 11K0F3E, 25 kHz - 16K0F3E |
Audio Distortion | Less than 5% at 1 kHz with 40% modulation |
Audio Frequency Response | +2, |
Maximum Frequency Spread | Any spread within the band |
RF Output Impedance | 50 ohms |
Duty Cycle | 20% TIA |
| November 1998 |
Part No. |