185-6525-0908
Digital IPTV system overall solution service provider
National Advisory Hotline:
18565250908Product Features
1. Four channels of video and audio input, one channel of RF four channels of frequency isolation output.
2. Adopting high-frequency modulation with low out of band interference.
3. The accompanying sound and image adopt MCU phase-locked technology, with high frequency stability and accuracy.
4. All functional circuits of the entire machine adopt chip technology, resulting in high reliability of the entire machine.
5. Easy to operate, the volume and video adjustment can be adjusted on the front panel
Technical Parameter
radio frequency | Output frequency range | 47--870 |
Frequency accuracy | ± 5kHz | |
Output level | 90 dBmV | |
out of band rejection | - 60dBc max | |
Output Impedance | 75Ω | |
Output reflection | 12dB min Any channel | |
video | Audio Image Carrier | 18 ± 2dB |
input level | 0.6 ~ 1.5Vp-p | |
Video input impedance | 75Ω | |
Video input reflection | 30dB min | |
Signal to noise ratio (weighted) | 60dB | |
time delay | 45 nsec | |
In-band flatness | ± 1dB | |
Differential Gain | ± 5% (adjusted to 87.5%) | |
Differential Phase | ± 5° (Adjustment rate is 87.5%) | |
audio frequency | input level | -10 ~ 10 dBm |
Impedance | 10KΩ min | |
In-band flatness | ± 1dB | |
degree of distortion | 1 % | |
Signal to Noise Ratio | -60dB | |
Image and audio spacing | According to the format | |
electricity source | Input AC voltage | 220V |
consumption | 15W max |