Detailed Product Description

- Applicable for 47~860MHz system, agile channel output, specially designed for middle or  large scale system
- I2 C Bus control
- Audio noise reduction (optional)
- Medium frequency modulating, Video/Audio medium frequency signal input, output port can   be applied for scramble loading for fee-paid TV system
- In accordance to adjacent frequency design, no interference between adjacent channel
-  Having RF automatic amplitude-stabilizing circuit, making front-end system becoming more stable and reliable
- RF output adopting modular amplification, ensuring RF output dynamic and parasite suppressing
- Adopting unique diode dual-balance modulating, good linearity, low noise, modulator's indexes, such as S/N, C/N, DG, DP, have achieved internationally advanced level
- Surface mount technology, ensuring the accordance of entire machine
-19' 1U standard structure, independent power supply, elegant exterior design

Specification:

- RF:
Output return loss ≥10dB
Output level ≥115dBμV(Typical)
Output level adjustable range 0-15dB (0.5 step)
Frequency accuracy ≤ 5KHz
Output parasite ≤ -60dB
- Video:
Degree of modulation signal ≥ 87.5%
Flatness in operating band ≤ 1.5dB (5MHz)
Phase of differential coefficient ≤ 3%
Gain of differential coefficient ≤ 5'
Signal to noise ratio ≥ 56dB (weighted)
- Audio
Pre-emphasis of audio 50&mus;
Audio response ≤±1dB(40Hz&sim15KHz)
Distortion degree of audio ≤ 1%
signal to noise ratio ≥ 55dB