Product

Product Name : 48.25-860MHz Adjacent modulator

Model : GCM-2000

Packing Information

Giftbox Size : mm

Carton Size : cm

Features:

  • With IF SAW filter treatment, high performance of residual side band and out of band rejection, suitable for adjacent channel system
  • With dual PLLs controlled by CPU, making video and audio carrier frequencies more accurate and stable
  • LED digital channel display
  • Video modulation index; A/V carrier ratio; Audio FM deviation; RF output level are adjustable individually
  • Suitable for 19〞standard rack mounting, with rear panel AC outlet for cascade usage

Specifications

Item

Unit

Specification

Item

Unit

Specification

Output Frequency Range

MHz

48.25~860

Differential Gain

%

≤3

Output Level MAX

dBuV

113

Differential Phase

≤3

Output Level Modulation

dB

20

C/L Delay

nS

≤35

Spurious Rejection

dB

60

Audio FM Deviation

KHz

±50

Video Carrier Accaracy

KHz

±5

Audio in-band Frequency Response

dB

≤1.5

Output Impedance

Ohm

75

A/V Carrier Power Ratio

dB

-10~30

Output Return Loss

dB

14

Audio S/N

dB

≥57

Video Modulation

%

87.5

Power Supply

V.AC

220±10%

Video Frequency Response

dB

≤2.0

Operating Temperation

0~40

Video S/N

dB

50

 

 

 

 

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