1. Description

The 16-way integrated adjacent-frequency modulation front-end, is one of the CATV front-end equipment. To achieve 16-channel video / audio signal in the 47 ~ 870MHz range of any channel RF modulation. The modulator allows input of 0.7 to 1.4V video source signals such as satellite receivers, TV cameras or TV demodulators. In the normal frequency offset conditions, through the external continuous adjustment can be input 0.775V ± 10dB / 10KΩ audio signal.

The modulator uses intermediate frequency processing, the use of SAW filter processing, effectively ensuring the residual sideband characteristics, making it more suitable for adjacent frequency transmission system. IF and local oscillator circuits are used phase-locked loop technology, high frequency stability. The use of high selectivity channel filter, effectively guarantee the entire CATV band good parasitic output suppression and carrier to noise ratio performance.

The product 16-channel modulator for the independent module, channel configuration is convenient, mixed amplification output. The product has been completed before the factory finished the internal level of the matching debugging, the construction site to be modulated AV signal can be modulated, integrated installation, easy to operate.

2. Features

1-47 ~ 870MHz band any sixteen channels;

2-IF modulation, the use of surface acoustic wave filter processing, superior performance;

3-IF and local oscillator circuits are used phase-locked loop technology, high frequency stability;

4-video modulation, audio frequency deviation, RF output level, A / V front panel adjustable;

5-high performance, high reliability and easy operation.

The use of high-quality switching power supply, to ensure that the machine perennial stable work.