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Modulatoare CATV C78
| Parametrii de functionare modulatoare CATAV C78 |
| Output Frequency |
MHz |
48.5~550 |
| Output Level |
dBµV |
≥110 (20 dB Adjustable) |
| Out-of-Band Rejection |
dB |
≥62 |
| Rejection Adjacent Channel |
dB |
≥45 (Fp=1.25MHz) |
| Output Impedance |
ohm |
75 |
| Output Return Loss |
dB |
≥14 |
| Frequency Accuracy |
KHz |
±5 |
| Video Modulation Depth |
% |
87.5 |
| Video Frequency Response |
dB |
±1(30Hz~5.5Hz) |
| Video To Noise Ratio |
dB |
≥53 |
| Differential Gain |
% |
<=3 |
| Differential Phase |
º |
<=3 |
| C/L Delay |
ns |
<=40 |
Video Audio Carrier
Frequency Increment |
MHz |
6.5MHz±1.0kHz |
| Video/Audio Carrier Ratio |
dB |
10~20 Adjustable |
| Max Audio Freq-offset |
KHz |
50 |
| Audio Frequency Response |
dB |
±1.5 (40Hz~15kHz) |
| Audio To Noise Ratio |
dB |
≥55 |
| Audio Distortion |
% |
<=1 |
| Power Voltage |
V |
~220±15%(50Hz) |
| Power Consumption |
VA |
8 |
| Dimension |
mm |
483x109.5x44(19") |
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