- Contact Person : Mr. Gao Yi
- Company Name : Anshan General Broadcasting Equipment Co., Ltd.
- Tel : 86-412-5868983
- Fax : 86-412-5815679
- Address : Liaoning,Anshan,52 Keji Road, ( East District) ,High-Tech Development Zone
- Country/Region : China
- Zip : 114046
300w uhf tv transmitter
All solid state UHF 300W/300 wartts TV transmitter with low power of television and broadcasting station equipment
GENERAL CHARACTERISTICS | ||
1 | Frequency range | 470-860MHz |
2 | Output power (peak sync) | 300W |
3 | Out Connector | L27 |
4 | Vision/sound amplification | Common |
5 | Vision/sound power ratio | 10:1 |
6 | Nominal load impedance | 50W(Coaxial) |
7 | Return loss | ³26dB |
8 | Power consumption | approx.2.4kVA(for 1KW) |
| VIDEO CHARACTERISTICS | |
1 | Input level | 1Vp-p, |
2 | Input impedance | 75W(Coaxial) |
3 | Return loss | £30dB |
4 | Frequency stability | <±300Hz/month |
5 | Group delay variation | £±50ns ±30ns(4.43MHz) |
6 | Inter modulation distortion | £-52dB |
7 | Differential gain | £5% |
8 | Differential phase | ±3° |
9 | Second harmonic generation | £-60dB |
10 | Signal to periodic noise ratio (£1kHz) | ³50dB(typical 52dB) |
AUDIO CHARACTERISTICS | ||
1 | Frequency stability | <±300Hz/month |
2 | Frequency deviation | ±50kHz(100%mod.) |
3 | Input level | 0±6dbm |
4 | Input impedance | 600W(balanced) |
5 | Amplitude vs. frequency response | £±1dB(30Hz~15kHz) |
6 | Pre-emphasis | 50ms |
300W complete machine diagram
300w uhf tv transmitter
