PART VI - APPENDIX VI
2 Specifications |
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| HT 81 | PT 81 |
| PR 81 | |||
Carrier frequency range |
| 710 to 860.9 MHz |
| 710 to 860.9 MHz |
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| 710 to 860.9 MHz |
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Modulation |
| FM |
| FM |
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| FM |
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Audio bandwidth |
| 50 to 20,000 Hz |
| 50 to 20,000 Hz |
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| 50 to 20,000 Hz |
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Frequency stability |
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+50°C) |
| ±10 ppm | ±10 ppm |
| ±10 ppm | |||
Rated deviation |
| 30 kHz |
| 30 kHz |
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| - |
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T.H.D. at 1 kHz |
| <0.5% |
| <0.5% |
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| <0.8% |
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Compander |
| Yes |
| Yes |
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| Yes |
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Signal/noise ratio |
| typ. 50 dB(A) |
| typ. 50 dB(A) |
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| >108 dB(A) |
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RF output |
| 10 mW |
| 10 mW |
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| - |
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Current consumption |
| 150 mA typ. |
| 180 mA typ. |
|
| - |
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Power requirement |
| 2 x 1.5 V AA size |
| 2 x 1.5 V AA size |
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| 2 x 1.5 V AA size |
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| batteries | batteries |
| batteries | |||
Battery life |
| >12 hours |
| >10 hours |
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| >6 hours |
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Audio input level for rated |
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deviation |
| 350 mV/1 kHz | 1400 mV/1 kHz | - |
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Input impedance |
| 220 kΩ |
| 220 kΩ //320 pF |
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| - |
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Condenser mic power supply |
| - |
| 6 V/6.8 kΩ (pin 3) |
|
| - |
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Audio outputs |
| - |
| - |
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| Unbal. LINE (pin 2): |
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Headphone output: |
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| Pin 3: 30 mW typ. |
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| (16 to 100 Ω ) | |
Size (WxDxH) |
| length: 240 mm (9.4 in.) |
| 92 x 65 x 20 mm |
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| 92 x 65 x 20 mm |
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| dia.: 36 mm (1.4 in.) | (3.6 x 2.6 x 0.8 in.) |
| (3.6 x 2.6 x 0.8 in.) | |||
Net weight |
| 245 g (8.7 oz.) |
| 76 g (2.7 oz.) |
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| 80 g (2.8 oz.) |
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