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Help CenterJM-4600 Agile CATV Modulator / Catv / 1 Channel Headend SAW Filtered TV Modulator Electronics for Telecommunications
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Specifications
JM-4600 The Agile TV Modulator / catv / headendchannel modulator system fixed by the 4-channel modulator, headend for catv.
Professional high performance
Full channel agile mid-Frequency
Used in 48MHz 870MHz CATV adjacent channel
and UHF Broadcast transmission system, CATV(2-134 channels),
Out- band restriction can be up to above 60dB
134 programmable channels
Digital display on front panel
II.- Specification
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%
Air pressure 88k Pa~106k Pa
Power supplying Voltage 90-264V± 10%
Frequency 50Hz± 2Hz
Power consumption 15W
JM-4600 Agile CATV Modulator / catv / 1 channel headend
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