Signal generator and method for synthesizing signals for power line anti-leakage blocking
A signal generator and synthetic signal technology, which is applied in distribution line transmission systems, electrical components, safety communication devices, etc., can solve problems such as lack of network security awareness, blank security protection measures, and leakage of useful information to achieve good practicality Flexible, easily scalable, high-resolution effects
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Embodiment 1
[0034] A signal generator for power line anti-leakage blocking, which is processed by a large-scale programmable integrated circuit chip FPGA, a reference clock, a multi-speed clock gear controller, a frequency controller, a phase controller, a frequency synthesizer, and a gain controller , digital-to-analog converter, pseudo-random sequence code generator, wideband modulator, wideband amplifier, final power amplifier and signal synthesizer.
[0035] The reference clock generates a variety of clock sources with different frequencies and sends them to the multi-speed clock gear controller. The multi-speed clock gear controller selects a clock source with a suitable frequency and sends it to the frequency controller. After being processed by the frequency controller into a signal of a specific frequency Input to the phase controller, the phase controller algorithm calculates the corresponding parameters, and then input each parameter to the frequency synthesizer to find out the d...
Embodiment 2
[0049] A high-precision and high-stability reference clock is made by a quartz crystal oscillator. Send the reference clock to the multi-speed clock gear controller. The multi-speed clock gear controller provides clock sources in various frequency gears, and at the same time, the high reliability of the system work is fully guaranteed, and it can provide hot backup for multiple clock sources for the system, which can realize automatic The function of detection and intelligent switching when a given signal source is detected is abnormal, so as to realize real-time and high-stability protection, especially providing a reliable guarantee for military and national defense applications that require extremely high information security.
[0050] The multi-speed clock gear controller has the function of frequency multiplication and frequency division of the reference clock, and performs M times integer frequency multiplication and N times integer frequency division on the input clock ...
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