Main Products: Lcd touch monitor and Lcd monitor ,POS and POS accessories ,BNC Monitor ,Mini Computer
JM-8800 Agile Adjacent TV Modulator for All Channels / catv / headend SAW Filtered Electronics for Telecommunication
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Shenzhen Detaik Technology Co., Ltd.
Business Type: Manufacturer
Shenzhen Guangdong ChinaMain Products: Lcd touch monitor and Lcd monitor ,POS and POS accessories ,BNC Monitor ,Mini ComputerProduct Details
I. Overview:
Agile adjacent TV modulator for all Channels, using high-reliability vestigial sideband filters, intermediate frequency modulation signal processing and its parasitic output rejection is greater than 60dB; four re-locked PLL frequency, stable performance and reliable; RF amplification using high-quality module components, non-linear distortion, to ensure high output level; microcomputer CPU controlled, programmable 101 channels, two LED displays the real channel, with additional (PAL-D / K system) channel instructions, and there is broken electric memory function; RF output level of up to 115dBμV (M), has an excellent linearity of audio and video; the back panel with composite IF input, output interface,suitable for Scrambling, descrambling system.
2. Technical Parameters:
Output frequency range | MHz | 48-871PAL-D/K DS01DS58,Z01Z43Continuously adjustablePAL-B/G E02E63,S01S41 |
RF output level | dBµV | 115M |
Parasitic output rejection ratio | dB | ≥60(Maximum output frequency) |
RF output return loss | dB | ≥13 |
Video transfer system | % | 87.5(Video input level 1Vp-p) |
Video-band flatness | dB | ±1.2 |
Differential gain | % | ≤3 |
Differential Phase | ° | ≤3 |
Video signal to noise ratio | dB | ≥60 |
Color / light time delay difference t | ns | |τ|≤45 |
Image / sound carrier power ratio (V / A) | dB | 1020 Continuously adjustable |
Images, sound frequency spacing | KHz | 6500±2PAL-D/K 5500±2PAL-B/G) |
The accuracy of the image carrier frequency f | KHz | ≤5VHF ≤10UHF |
Audio Frequency Modulation | KHz | 50 |
Audio total harmonic distortion | % | ≤1 |
Audio signal to noise ratio | dB | ≥60 |
Audio pre-emphasis | µs | 50 |
Power Supply | V | AC 220±10% |
Ambient temperature |
| 550 |
Relative humidity | % | ≤85 |
Atmospheric pressure working environment | Kpa | 86-106 |
Overall dimensions | mm | 483*220*45 |
Weight | Kg | 3.3 |
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