860MHz Broadcasting Fixed Channel Modulator

group name: CATV Analog Headend

Min Order: 1 piece

brand name: EASTEC

model: E-3600

update time: Wed, 15 Aug 2012 22:32:15 GMT

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Min Order1 piece

Briefing

High-quality, high-performance, stable, and reliable fixed channel modulator for 45-860Mhz with advanced IF PLL technology.

Detailed

Introduction

E-3600 is one fixed channel modulator that combines with advanced CATV electronic technology and SMT technology, including crystals simultaneous PLL vibration circuit and CPU control, triple SAW filter composite circuit and high performance IC amplified module circuit. It is applicable to headend system of large-sized and medium-sized TV station.

Features

l IF input/output interface

l CPU controlled double PLL

l SMT technology

l Independent modularized amplifying circuit

Specifications

Item
Unit
Specifications
RF
Output Channels
MHz
47~860
Max. Output Level
dBµV(maximum)
118
RF Output Range
dBµV(adjustable)
20
V/A Ratio
dB
-10~-30
Visual Carrier Stability
KHz
≤3.8
Aural Carrier Stability
KHz
±1
Spurious Output
dBc
-62
C/N Ratio
dB
68
Out-of-Band Noise
dBc
-98
Video
Min. Video Input
Vp-p
0.5 at 87.5%
Frequency Response
dB
±1
Video S/N
dB
≥62
Differential Gain
%
≤3%
Differential Phase
°
≤3
C/L Delay
ns
≤75
Audio
Input Level
mv(25KHz)
200
Input Impedance
KΩ
10
Frequency Response
dB(50Hz~15KHz
±1
Pre-emphasis
usec
75
General
Power Supply
V
220
Temperature Range
℃
0~40
Dimensions
cm
42×19.5×4.5

Item	Unit	Specifications
RF
Output Channels	MHz	47~860
Max. Output Level	dBµV(maximum)	118
RF Output Range	dBµV(adjustable)	20
V/A Ratio	dB	-10~-30
Visual Carrier Stability	KHz	≤3.8
Aural Carrier Stability	KHz	±1
Spurious Output	dBc	-62
C/N Ratio	dB	68
Out-of-Band Noise	dBc	-98
Video
Min. Video Input	Vp-p	0.5 at 87.5%
Frequency Response	dB	±1
Video S/N	dB	≥62
Differential Gain	%	≤3%
Differential Phase	°	≤3
C/L Delay	ns	≤75
Audio
Input Level	mv(25KHz)	200
Input Impedance	KΩ	10
Frequency Response	dB(50Hz~15KHz	±1
Pre-emphasis	usec	75
General
Power Supply	V	220
Temperature Range	℃	0~40
Dimensions	cm	42×19.5×4.5