US$ 1 - 200 MOQ: 1 Set
Key Specifications
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Place of Origin:
Sichuan, China
Brand Name:
DEXIN
Model Number:
C4
Payment & Shipping
Payment Methods:
Port of Shipment:
chengdu
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Sichuan, China
Brand Name DEXIN
Model Number C4

Specifications

1. 4 in 1 adjacent analog modulator
2.PAL D/K,PAL B/G,NTSC (Optional )

 

 

 

 4 in 1 analog TV modulator

4 in 1 analog TV modulator

 

 

 

 

Features

  •  In accordance to adjacent frequency design, no interference between adjacent channel.
  •  Adapting double-conversion,IF modulation, Acoustic filter,Phase-locked technology.
  •  4 adjacent channels in 1 housing, firm structure, providing an economical solution.
  •  19’ 1U standard structure, independent power supply, elegant exterior, flexible corollary equipment, convenient to maintenance

  

Specification

 

RF

 Index

Specification

Frequency range

(47 ~ 870)MHz  (Fixed Channel)

TV system

PAL D/K,PAL B/G,NTSC (Optional )

Output return loss

VHF more than 12dB UHF more than 10dB

Output level

105dBμV(independent output; more than 95 dBμV( combined output)

Audio carrier power to video carrier power

(14 ~ 22)dB

Frequency Accuracy

VHF± 5 KHz  UHF ± 10 KHz

Total frequency deviation

VHF ± 10 KHz UHF± 20 KHz

video/audio interval

5KHz

Carrier power ratio

more than55dB(In-channel) ≥62dB(Out-channel)

Internal spurious output

≤- 60dB

External spurious output

≤- 60dB

 

Video

Parameters

Specification

Degree of modulation signal

≥80%

Flatness in operating band

≤±1.5dB

Gain of differential coefficient

≤5%

Phase of differential coefficient

≤5°

K Factor

≤4

Delay difference of color or light

≤45ns

Signal to noise ratio

≥52dB

 

 

Audio

Index

specification

Pre-emphasis of audio

50μs

Maximum partial frequency of audio

± 50KHz

Audio flatness

± 1dB(40Hz ~ 10KHz)

Distortion degree of audio

≤1%

Signal to noise ratio

≥60dB

 

 4 in 1 analog TV modulator

  

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Business Type
Manufacturer, Trading Company
Year Established
2008
Factory Size
10,000-30,000 square meters
Total Employees
301 - 500 People