Download manual de serviço TM271
TM-271A Specifications| GENERAL | |
| Antenna Impedance | 50 ohms |
| Current Drain Receive | Less than 1 A |
| Current Drain Transmit | Less than 13 A |
| Dimensions (W x H x D) | 6.33 x 1.69 x 6.65 in. (161 x 43 x 169 mm) |
| Weight (approx.) | 2.6 lbs. (1.2 kg) |
| Frequency Range | TX: 144 - 148 MHz RX: 136 - 174 |
| Ground | Negative |
| Microphone Impedance | 600 ohms |
| Frequency Tolerance | ± 2.5 PPM -20°C to 60°C |
| Mode | F3E (FM) |
| Operating Temperature Range | -20°C to 60°C |
| Power Requirement | 13.8V DC (±15%) |
| RECEIVER | |
| Audio Output Power | More than 2W (8 ohms, 5% distortion) |
| Circuitry | Double conversion superheterodyne |
| Intermediate Frequency 1st IF | 49.95 MHz |
| Intermediate Frequency 2nd IF | 450 kHz |
| Selectivity -6 dB | More than 12 kHz |
| Selectivity -60 dB | Less than 30 kHz |
| Sensitivity (12dB SINAD) | Less than 0.18µV |
| Squelch Sensitivity | Less than 0.10µV |
| TRANSMITTER | |
| Frequency Tolerance | Within ±10 ppm |
| Maximum Frequency Deviation | ±5 kHz |
| Modulation | Reactance modulation |
| Modulation Distortion | Less than 3% (300 Hz ~ 3 kHz) |
| RF Output Power HI | 60 W |
| RF Output Power LO | 25 W |
| Specifications may be changed without notice. | |
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