JM-8800 is a fixed channel modulator system which is fixed by the four channel analog modulator composition.agile qam modulator

 

JM-8800 Fixed channel Modulator;Analog Modulator;agile qam modulator  

  

Specification:

 

  Agile adjacent TV modulator for all Channels, using high-reliability vestigial sideband filters, intermediate frequency modulation signal processing and its parasitic output rejection is greater than 60dB; four re-locked PLL frequency, stable performance and reliable; RF amplification using high-quality module components, non-linear distortion, to ensure high output level; microcomputer CPU controlled, programmable 101 channels, two LED displays the real channel, with additional (PAL-D / K system) channel instructions, and there is broken electric memory function; RF output level of up to 115dBμV (M), has an excellent linearity of audio and video; the back panel with composite IF input, output interface,suitable for Scrambling, descrambling system.

 

Output frequency range	MHz	48871PAL-D/K DS01DS58,Z01Z43Continuously adjustable        PAL-B/G E02E63,S01S41
RF output level	dBµV	115M
Parasitic output rejection ratio	dB	≥60(Maximum output frequency)
RF output return loss	dB	≥13
Video transfer system	%	87.5(Video input level 1Vp-p)
Video-band flatness	dB	±1.2
Differential gain	%	≤3
Differential Phase	°	≤3
Video signal to noise ratio	dB	≥60
Color / light time delay difference t	ns	|τ|≤45
Image / sound carrier power ratio (V / A)	dB	1020 Continuously adjustable

 

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

 

JM-8800 Complete Channels Single Way Agile Modulator; agile qam modulator