Product

Product Name : 45-870MHz Agile Adjacent modulator

Model : GCM-3000

Packing Information

Giftbox Size : mm

Carton Size : cm

Features:

  • With I2C bus control
  • LED digital channel display, all adjusted parameter can be displayed on it
  • Standard channels preset and can be selected at random; Audio sub-carriers 6.5/6.0/5.5/4.5MHz are selectable on front panel
  • Each channel with 0.25MHz fine tune, automatic storage, retention while power off
  • Suitable for 19〞standard rack mounting, with rear panel AC outlet for cascade usage

Specifications

RF

VIDEO

Item

Unit

Specification

Item

Unit

Specification

Output Frequency Range

MHz

48.25~860

Input level

 

1VP-P@87.5%

Output Level MAX

dBuV

115

Differential Gain

%

3

Output Level Modulation

dB

20

Differential Phase

°

3

A/V Carrier Ratio

dB

-13~-20

C/L Delay

nS

< 45

Output Band Rejecfion

dB

60

Frequency Response

dB

±1.0

Frequency Accuracy

KHz

±5

Modulation Range

%

0-95

Output Impedance

Ohm

75

Video S/N Ratio

dB

60

Output Return Loss

dB

16

C/N Ratio

dB

60

Video Modulation Index

%

87.5-95

Input Impedance

Ω

75

AUDIO

GENERAL

Audio FM Deviation

KHz

±50

Power Supply

V

220±10% AC

Input Impedance

Ω

600

Fuse

A

RF1-20 ~0.5A

Sub-carrier Frequency

MHz

6.5MHz ±50Hz

Working Temperature

0 ~40

In-band Freq Response

dB

±0.5

 

 

 

Distortion Factor

%

0.6

 

 

 

Pre-emphasis

 

50u Sec. (75u Sec. optional)

 

 

 

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