JM-4600 TV Agile Modulator; RF Modulator

JM-4600 is a space-saving fixed channel rf modulator system, which is fixed by the four channel catv modulator composition.

 

JM-4600 CATV rf Modulator (digital headend)

  

Specifications

Output frequency range            48MHz 871MHz

Video modulation                         87. 5% (Video input level 1Vp-p)

Video in-band flatness                  <2dB

Differential gain                    <5%

Differential phase                        <5º

Video S/N                             >52dbB 

Chr / Lum Delay                    |D| £45 ns

Audio Pre weighted               50ps

Audio carrier modulating Fre.bias   ± 50KHz (Audio input level 0dBm ± 6dB)

Harmony wave distortion         £1%

Audio S/N                          ³ 58dB

RF output reflection loss          VHF: ³12dB

                             UHF : ³ 10dB

Image carrier Fre.Accuracy       VHF : £ ±5KHz

                             UHF : £ ± 10KHz

Image carrier output level  110dBmV

Image / audio carrier power ratio (VIA  10~20dBcontinuously adjustable)

Spurious output restriction ratio              ³60dB

Image Audio carrier space        4500KHz± 3KHz

Adjacent Channel restriction             £ 45dB

Condition temperature                        5ºc~ 40ºc

Relative humidity                            £ 85%

For more detailed information,please contact us. Thank you!

  

JM-4600 TV Agile Modulator; RF Modulator