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Processing circuit for waveform transformation

A waveform conversion and processing circuit technology, which is applied in the direction of conversion equipment for intermediate conversion to direct current, can solve problems such as distortion, frequency asynchrony of sinusoidal alternating current signals, complex circuit structure, etc., achieve simple structure, reduce workload, The effect of high conversion efficiency

Inactive Publication Date: 2017-08-18
CHENGDU HONGSHAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional sinusoidal AC signal-to-sawtooth signal circuit often has a complex structure and severe distortion, and the frequency of the sawtooth signal is not synchronized with the frequency of the sinusoidal AC signal.

Method used

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  • Processing circuit for waveform transformation

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Embodiment

[0018] like figure 1 As shown, the present embodiment provides a processing circuit for waveform conversion, including a sinusoidal AC power supply Ui, and also includes a rectifier bridge, a waveform conversion circuit, and a filter amplifier circuit connected in sequence; the rectifier bridge is a full-wave rectifier bridge, and the rectifier bridge Two input terminals are connected to both ends of the sinusoidal AC power supply Ui, one output terminal of the rectifier bridge is grounded, the other output terminal is connected to the input terminal of the waveform conversion circuit, and the output terminal of the waveform conversion circuit is connected to the input terminal of the filter amplifier circuit.

[0019] The waveform conversion circuit includes a first transistor Q1, a second transistor Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first capacitor C1, a second capacitor C2 and a diode D , the emitter of the first tra...

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Abstract

The invention discloses a processing circuit for waveform conversion, which includes a sinusoidal AC power supply, and also includes a rectifier bridge, a waveform conversion circuit and a filter amplifier circuit connected in sequence; the rectifier bridge is a full-wave rectifier bridge, and the two rectifier bridges The input terminal is connected to both ends of the sinusoidal AC power supply, one output terminal of the rectifier bridge is grounded, the other output terminal is connected to the input terminal of the waveform conversion circuit, and the output terminal of the waveform conversion circuit is connected to the input terminal of the filter amplifier circuit. The waveform conversion circuit of the invention uses fewer electronic devices, has a simple structure and high conversion efficiency.

Description

technical field [0001] The invention relates to a circuit structure, in particular to a processing circuit for waveform conversion. Background technique [0002] Signal processing refers to the general term for the processing of various types of electrical signals according to various expected purposes and requirements. The processing of analog signals is called analog signal processing, and the processing of digital signals is called digital signal processing. The so-called "signal processing" is the process of processing the signal recorded on a certain medium in order to extract useful information. It is a general term for the processing processes of signal extraction, transformation, analysis, and synthesis. In order to use the signal, people have to process it. For example, when the electrical signal is weak, it needs to be amplified; when it is mixed with noise, it needs to be filtered; when the frequency is not suitable for transmission, it needs to be modulated and ...

Claims

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Application Information

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IPC IPC(8): H02M5/42
CPCH02M5/42
Inventor 黄友华
Owner CHENGDU HONGSHAN TECH