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| Features |
- Applicable for 47~870MHz system, fixed channel outputting, specially designed for small or middle scale system
- Medium frequency modulating, Video/Audio medium frequency signal input, output port can be applied for Scramble loading for fee-paid TV system
- In accordance to adjacent frequency design no interference between adjacent channel
- Oscillator using unique phase-lock (PLL) circuit makes phase noise extremely low, and video clear and stable.
- LED display of output channel.
- Surface mount technology, ensuring the accordance of entire machine.
- 19” 1U standard structure, independent power supply, elegant outlook, flexible corollary equipment.
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Specification |
RF |
| Frequency Range |
47~870MHz in specified channel |
| Frequency Range |
PAL B/K |
| Intermediate Frequency |
38MHz |
| Output Return loss |
≥14dB (VHF) ≥12dB (UHF) |
| Output level |
≥115dB µ V |
| Output level adjustable range |
0~15 dB |
| Audio carrier power to video carrier power ratio |
-14~22 dB |
| Total Frequency deviation |
≤5 KHz |
| Error of video/audio carrier interval |
≤±2KHz |
| Carrier to noise ratio (C/N) |
≥60dB (fe±4MHz)
≥65dB (fe±8MHz)
=70dB (feħ16MHz) |
| Output suppression |
≥62dB |
| Interface |
FL10 |
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Video |
| Degree of modulation signal |
≥85% |
| Flatness in operating band |
≤±1.5dB |
| Gain of differential coefficient |
≤5% |
| Phase of differential coefficient |
≤5° |
| K-2T Factor |
≤3% |
| Delay difference of colour or light |
≤45ns |
| Signal to noise ratio |
≥54dB (un weighted)
≥60dB (weighted) |
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Audio |
| Pre-emphasis of audio |
50 µS |
| Maximum partial frequency of audio |
±50KHz |
| Audio flames |
≤±1dB(40Hz~15KHz) |
| Distortion degree of audio |
≤1% |
| Signal to noise ratio |
≥60dB |
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Miscellaneous |
| Dimension |
44mm x 482mm x 155mm |
| Power |
AC220V±10%50Hz12VA |
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