GG-16DSB cable headend equipment AW filter Fixed channel modulator
Short Description:
GG-16DSB cable headend equipment AW filter Fixed channel modulator
Feature
1. Eight Video Audio input, one RF output
2. H.F processed with one-conversion ensures low out band interfere
3. MCU control for frequency control and accuracy
4. Excellent video and audio linearity for superior picture quality
5. Easy operation. All configure set in front panel
6. Switching mode power supply allows for any operation worldwide
7. PAL, NTSC and SECAM optional
Specification
|
RF |
Output Frequency | 47MHz ~ 860MHz |
|
Frequency Accuracy |
± 5kHz | |
|
Output Level |
85 dBmV | |
|
Out band Suppression |
- 60dBc max | |
|
Output Impedance |
75Ω | |
|
Output Loss |
12dB min | |
|
Video |
Video to Audio Ratio |
18 ± 2dB |
|
Input Level |
0.6 ~ 1.5Vp-p | |
|
Input Impedance |
75Ω | |
|
Input Return Loss |
30dB min | |
|
K Value |
4% max（ 2T pulse） | |
|
SNR（Weight） |
60dB | |
|
Delay Response |
40 nsec | |
|
Flatness |
± 1dB | |
|
Differential Gain |
± 4% （Modulation 87.5 % ） | |
|
Differential Phase |
± 4° （Modulation 87.5 % ） | |
|
Audio |
Input Level |
-10 ~ 10 dBm |
|
Input Impedance |
10KΩ min | |
|
Flatness |
± 1dB max(40Hz~15KHz | |
|
Harmonic Distortion |
1 % | |
|
SNR |
-55dB | |
|
Power supply |
AC Input |
100 ~ 260V |
