24 in 1 Analog Fixed Channel Modulator Headend

24 in 1 Analog Fixed Channel Modulator Headend (SK-24M) is the 3RU rack mounted chassis with 24PCS fixed channels modulators.





SK-24M
The SK-24M is a 3RU rack mounted chassis that allows for installation of up to 24 pieces micro-processor-controlled fixed mini-modulators. Built-in active combiner eliminates the unnecessary cabling and potential connection problem and ensures the high output level . All analog modulators are perfect factory set to desired channel and proper offset.




Features:
1. Switching power supply for installation flexibility and precise voltage regulation
2. Two cooling fans for long life performance
3. 45dBmV chassis output level, no need extra combiner
4. SAW (Surface acoustic wave) filtering on IF for superior in band C/N
5. Front panel access controls enable easy setup
6. Rear panel has a combiner loop for easy connection

7. One unit contains 24 pcs fixed adjacent channel modulator card 




Chasssis Part

Frequency range :

47~860MHz

Video input connector :

RCA (Yellow)

Output level :

45dBmV

Audio input connector :

RCA (White)

C/N in-band :

60dB

RF output connector :

75Ω F-Female

C/N out-band : 

62dB

Voltage input :

DC 5V for mini modulator

AC 240V input chassis

Modulator Part

Output Frequency :

47-860MHz

Output Level : 

103dBµV(Adj.)

A/V Ratio :

-11 to -18dB(Adj.)

Frequency Stability :

±5KHz

Video :

75Ω F-female 

Input Level :

0.6-1.5Vp-p(87.5% Modulation)

Video C/N :

50dB

Hum/Noise :

-50dB

Modulation Range :   

0~90%

Audio :

75ΩF-female

Input Level :

1Vp-p(25KHz Dev.)

Distortion:    

1%

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 24 in 1 Analog Fixed Channel Modulator Headend

 24 in 1 Analog Modulator Headend


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