Shenzhen Detaik Technology Co., Ltd.
Main products:POS Solution,LCD TV Monitor,Mini Receipt Printer
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  • Contact Person : Mr. Xu Andy
  • Company Name : Shenzhen Detaik Technology Co., Ltd.
  • Tel : 0086-755-83987065-8858
  • Fax : 0086-755-83987365
  • Address : Guangdong,shenzhen,Yindu 31w, Duhui 100 Building, East Side of Zhonghang Road
  • Country/Region : China
  • Zip : 518000

JM-50168 Fixed Adjacent Frequency Modulator; Analog Modulator

JM-50168 Fixed Adjacent Frequency Modulator; Analog Modulator
Product Detailed
JM-50168 is a space-saving fixed channel modulator system, which is placed 16 of the fixed vertical channel analog modulator.

 

JM-50168 Fixed Adjacent Frequency CATV Modulator; Analog Modulator

  

 

1.Technical Characteristics:

Compact size, easy installation;

Micro-computer control, image sound two-phase locking;

IF SAW filters to deal with, excellent VSB;

High-output, continuously adjustable sound frequency offset, high reliability;

A wide range of linear power supply;

The use of SMD technology, machine stability.

2. Technical Parameters:

Output frequency range

MHz

48871

RF output level

dBµV

110

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

ns

|τ|≤45

Image/sound carrier power ratio (V / A)

dB

1020 Continuously adjustable

Images,soundfrequency spacing

KHz

6500±2PAL-D/K 5500±2PAL-B/G4500±2NTSC

The accuracy of the image carrier frequency f

KHz

≤5

Audio Frequency Modulation

KHz

50

Audio total harmonic distortion

%

≤1

Audio signal to noise ratio

dB

≥60

Audio pre-emphasis

µs

50

Power Supply

V

AC 220±10%

Ambient temperature

550

Relative humidity

%

≤85

Atmospheric pressure working environment

Kpa

86106

Overall dimensions

mm

500*230*200

Gross Weight

Kg

12.8

2)Active mixer technical parameter:

Output frequency range

MHz

48871

Differential gain

%

≤3

Video-band flatness

dB

±0.5

Nominal input level

dBµV

108

Nominal output level

dBµV

111

Noise figure

dB

≤8

Return Loss

dB

≥12

C/CSO

dB

64

Power input

V

AC90-265V

Output

channel

16

Output voltage

V

DC 12   3.5A(MAX)

 

 

JM-50168 Fixed Adjacent Frequency Modulator; Analog Modulator



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