Modulator CATV C88

c88


  Parametrii RFpentru modulator CATV C88
Output Frequency MHz 48 ~ 1200 MHz
Output Level dBµV >=110
Output Impedance ohm 75
Parasite dB -70
C/N In Range dB 70 (Min65)
Adjacent Channel dB 74 (Min70)
Out of Range dB 75 (Min72)
Output Return Loss dB >=12
Frequency Accuracy KHz ±5
Video/Audio Carrier Ratio dB -15~-22

  Parametrii IF pentru modulator CATV C88
Image IF Output Frequency MHz 38.0
Image IF Output Level dBµV 95
Audio IF Output Frequency MHz 31.5, 32, 32.5, 33.5 (optional)

  Parametrii video pentru modulator CATV C88
Input Level Vp-p 1.0
Modulation Depth % 87.5
Differential Gain % <=2.5
Differential Phase º <=2.5
Video To Noise Ratio dB >=53
C/L Delay ns <=40
Audio To Noise Ratio dB >=55
Frequency Response dB ±1.0

  Parametrii audio pentru modulator CATV C88
Input Level dBµV +5~+25
Input Impedance ohm >10k
Frequency Response dB 1.0
Distortion % <=0.4
Increment Frequency MHz 6.5MHz±500Hz
Max Audio Freq-offset KHz 50
Pre-emphasis µs 50