1W High Spec PLL FM Transmitter
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Specification 1. Type: VHF/FM PLL wideband modulation Frequency Coverage 87.0 to 110 MHz 2. Frequency Generation: Self Excited Balanced Frequency Doubler 3. Frequency Correction: Phase Locked Loop Synth. 4. Amplifier stages: 2 stage wideband with 35mm heatsink on output - No Tune design 5. Frequency Stability: Plus/minus 1KHz (crystal controlled) 6. RF power out: 1 watt minimum guaranteed. Typically 1.3 watts 7. Harmonic Rejection: -50dB down (6 pole lpf) 2nd harmonic typically -60dB down! 8. Spurious: -70dB down on carrier 9. S/N ratio: -80dB down on line level 10. Pre-emphasis: None, 50 uS, 75uS switchable 11. Unlock power down: lock detect/overide jumper fitted 12. Audio performance: Less than 0.2% distortion, 20Hz-75KHz 13. PA stability: Stable through 20:1 swr, all phases 14. PA ruggedness: 20:1 swr withstand at full power 15. PA Efficiency: 80% At 1 Watts Output 16. Polarity protection: Full crowbar fused power input 18. Audio input: 0.775 V rms for +/- 75 KHz 19. Power requirement: 13.8 Volt DC 1A MAX. |
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ʧǹÅÔ¢ÊÔ·¸Ôìâ´Â FMKorat 2548,[email protected]; Hotline. 040948825;012645892