differential frequency circuit

基本解釋

The invention relates to a differential frequency circuit of plesio-digital signals and a differential frequency method thereof.
本發(fā)明涉及一種準數(shù)字信號的差頻電路及其差頻方法。
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A composite motor vibration transducer with differential charge amplifier and adaptive frequency compensating circuit is introduced.
闡述了手持式內(nèi)置微型差動式電荷放大器和頻率補償電路一體化的發(fā)動機振動傳感器。
The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
采用高頻脈寬調(diào)制功率驅(qū)動電路進行電磁閥的高速強力驅(qū)動，并利用電流微分信號有效反饋了控制閥關閉始點。