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MIC-8000D fixed-channel modulator adopts advanced IF processing technology and double PLL (phase-locked loop) technique to ensure high frequency stability, excellent vestigial-sideband and out-of-band suppression.
Features
1. With high quality SAW filter for slight jamming.
2. Built-in independent RF power amplifier module, output level is up to 120dBuV.
3. CPU control technology, capacity of 150 channels, power off memory.
4. Front panel control,easy to operate.
5. LCD display,19"1U case.
Specifications
Items | Units | Specifications |
RF | ||
Frequency range | MHz | 47~870 |
Modulation depth | % | ≥87.5 |
In-band flatness | dB | ≤±0.5 |
Output level | dBµV | 120 |
Return loss | dB | ≥15 |
Vision carrier frequency deviation | KHz | ≤±5 |
Out-of-Band Output Rejection | dB | ≥68 |
Vision/sound ratio | dB | 10~20 continuously modulated |
Vision/sound space | --- | 6.5MHz±3KHz |
Video | ||
Video S/N | dB | ≥60 |
Differential gain | % | ≤2 |
Differential phase | ° | ≤2 |
Chrominance luminance delay | ns | ≤40 |
Audio | ||
Audio S/N | dB | ≥60 |
Audio distortion | % | ≤1 |
Audio modulation frequency-offset | KHz | ±50 |
power | ||
Power supply | V | AC220±10% |
Power consumption max. | W | 18 |
physical | ||
Dimension | mm | 483×205×41 |
Packing dimension | mm | 510×365×65 |
Gross weight | Kg | 5.5 |
Operating temperature |
| -25~+55 |
CATV RF modulator(8000D)