Complaint
1. Intermediate frequency, twice conversion frequencyand with saw filter, small disturb side-band.
2. MCU technique is applied to audio intermediate frequency,image high frequency and RF local oscillator, with high frequency stability and accuracy.
3. Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology, with high security.
4. LED display frequency, using up and down button to select any preference frequency.
5. Convenient control, all frequency level adjustments are designed ahead.
6. High dependable and high dynamic powers are applied to part of the source of voltage.
7. We can make different channels according to the customer's requests.
reflection | output frequency range | 45-870MHz |
| frequency accuracy | ± 5kHz | |
| output level | 113dBmV | |
| side-band suppression | ³60dB | |
| output impedance | 75 Ω | |
| video to audio carrier ratio | -10dB ~ -20dB | |
video frequency | input level | 0.6 ~ 1.5Vp-p |
| input impedance | 75Ω | |
| input reflection | 30dB min | |
| K coefficient | 4 % max ( 2T pulse ) | |
| video s/n | 50dB | |
| C/L delay | 40nsec | |
| frequency response | ± 1dB | |
| differential gain | ± 4 % ( modulator 87.5 % ) | |
| differential phase | ± 4° ( modulator87.5 % ) | |
audio frequency | input level | -10 ~ 10 dBm |
| input impedance | 10KΩ min | |
| frequency response | ± 1dB | |
| distortion | 1 % | |
| signal to noise radio | -60dB | |
| audio image interval | according to the style | |
| power supply | voltage | 110 ~ 245V AC |
