Automatic power and amplitude modulation factor control circuit and power adjustment method
The invention provides an automatic power and amplitude modulation factor control circuit and a power adjustment method. Power modulation equipment comprises a singlechip, a sine wave generation circuit, an analog-to-digital (A/D) conversion circuit, an adjustment circuit, a triangular wave generati...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides an automatic power and amplitude modulation factor control circuit and a power adjustment method. Power modulation equipment comprises a singlechip, a sine wave generation circuit, an analog-to-digital (A/D) conversion circuit, an adjustment circuit, a triangular wave generation circuit, a pulse width modulation (PWM) circuit and an amplifying circuit; an input end of the A/D conversion circuit is connected with an output end of an external power amplification circuit; an output end of the A/D conversion circuit is connected with an input end of the singlechip; an output end of the singlechip is connected with an input end of the adjustment circuit; an output end of the adjustment circuit is connected with an input end of the PWM circuit; an output end of the PWM circuit is connected with an input end of the amplifying circuit; and the output end of the PWM circuit is connected with an input end of the external power amplification circuit. According to the automatic power and amplitude |
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