GG-3860 TV headend equioment 3 SAW filter Fixed channel professional rf modulator

GG -3860 TV headend equioment 3 SAW filter Fixed channel professional rf modulator 

Feature:

1. IF processed with 3 SAW filter

2. Adjacent channel, excellent performance.

3. Phase lock loop frequency control applied for precise frequency

4. MMIC circuit applied to key part

5. LED display, front panel control for easy installment.

6. Separate audio/video and composite IF loops.

7. Standard 19” housing for standard rack.

8. PAL, NTSC and SECAM optional.

9. PAL stereo optional

318REAR_副本 318M

Specification

 

 

 

RF

Output Frequency

45-870MHz

Frequency Accuracy

±5KHz

Output Level

113dBmv

Out band Suppression

³60dB

Sideband Suppression

³65dB

Output Impedance

75W

A/V Ratio

-10dB ~ -20dB Adjustable

 

 

 

Video

Input Level

0.6 ~ 1.5Vp-p

Input Impedance 

75W

Input Return Loss

30dB min

K Value

4% max( 2T pulse)

SNR

50dB

Delay Response

40nsec

Flatness

±1dB( 25Hz ~ 5.8MHz)

Differential Gain

±4%(Modulation 87.5)

Differential Phase

±4° 

 

 

Audio

Input Level

-10 ~ 10 dBm

Input Impedance

10KW min

Flatness

±1dB max(40Hz ~ 15KHz)

Harmonic Distortion

<0.5%,50Hz ~ 15kHz

SNR

-60dB

Power Supply

AC Input

AC 100-250V

 


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