GG-3860 TV headend equioment 3 SAW filter Fixed channel professional rf modulator
Short Description:
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
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 |