- Contact Person : Ms. YONGHUA KANG
- Company Name : Chengdu Guangda Electronic Telecommunication Technology Development Co., Ltd.
- Tel : 86-28-85186186
- Fax : 86-28-85189814
- Address : Sichuan,CHENGDU,#8 GAOPENGDONG ROAD, GAOXIN DISTRICT, CHENGDU, SICHUAN, P.R.CHINA
- Country/Region : China
- Zip : 610041
AV Analogue Agile Modulator
AV Analogue Agile Modulator:
Feature:
1. 45.00-870.00MHz frequency agility.
2. Front board control button;
3. I2C bus contol.
4. Double-line 20 bits display;
5. Gallium arsenide RF components.
6. The frequency, modulation index, video strength, accompanying sound frequency deviation, audio strength, AV ratio, RF signal level and all other parameters can be adjusted and displayed on the LCD by setting the options in the menu.
7. High CNR and reliability, easy operation.
Technical Data
1. Video Input Level | 1Vp-p(All TV Signal, Positive and Negative Poles) |
2. Video Input Impedance | 75Ω |
3. Audio Input Level | 0.7~1.4V |
4. Audio Input Impedance | 10KΩ |
5. Video Signal Modulation Range | ≥87.5% |
6. Video In-band Flatness | ≤±1dB |
7. Differential Gain | ≤4% |
8. Differential Phase | ≤4° |
9. Color/Bright Delay Inequality | ≤45ns |
10. Video SNR Non-weighting | ≥52dB |
Weighting | >58dB |
11. Output Frequency Channel | 45~860MHz |
12. Frequency Accuracy | ≤5KHz |
13. Frequency Total Deviation | ≤10KHz |
14. V/A Carrier Power Ratio | -10~-20dB |
15. Max Accompanying Sound Frequency Deviation | ±50 KHz |
16. Accompanying Sound Preemphasis | 50μs |
17. Accompanying Sound In-bank Flatness(40Hz~15KHz) | ≤±0.5dB |
18. Accompanying Sound Distortion Factor | ≤1% |
19. Audio SNR | ≥60dB |
20. Tri Tones Intermodulation Ratio | ≥60dB |
21. Power Supply | AC220V 50Hz |
AV Analogue Agile Modulator
