Product Description
WM-860P Modulator use facial filter picture, voice technology, IF/38MHz signal, picture,voice PLL technology, reliable filter, excellent restrain ability and high quality, high stability RF-output signal, suitable for CATV transmitting system.
Product Features
Standard radio and vedio signal input.
All Channels in 47~900MHz.
Use SAWF technology, ensure output signal.
V/A,Video,radio adjustable.
RF-output level adjustment: 0~－20dB.
Technical Parameters
Video UNIT:
Input scope | 0.71~.4Vp-p |
IN Impedance | 75Ω |
Video/Modulation | 87.5% |
Flatness in band | ≤±1.5dB (Wide 5MHz) |
Differential Gain | ≤4% |
Differential Phase | ≤4° |
Chrominance Luminance delay | ≤40ns |
S/N | ≥52dB |
Suppression ability | ≥26dB |
Audio UNIT:
Audio Input Level | 0.775V±10dB |
IN Impedance | 10KΩ |
Audio Input Configuration | ±50KHz |
Aggravat | ±50μs |
Flatness in band | ≤±1.5dB (40Hz~15KHz) |
Distortion | ≤1% |
S/N | ≥55dB |
RF UNIT:
Freguency range | 47~900 MHz Channel fixed output |
Frequency stablilty | ≤5KHz |
RF-output level | 117dBμV |
Audio/Video Ratio | 18dB±1 |
Output Impedance | 75Ω |
Output Return loss | ≥ 16dB |
Out Restrain | ≥60dB |
Difference of carrier frequency | 6500±2KHz，6000±2KHz |
Output Level adjust range | 0~－20dB |
