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锁定同步正弦发电机涵盖三个几十年来的低失真

资料介绍
摘要: 这种电路同步同时保持低 THD,振幅的正弦波输出,通过三个几十年的频率 (20 Hz 至 20 kHz)。
Maxim > App Notes > Audio Circuits Signal Generation Circuits
Keywords: testing, calibration, pure sinewaves, sinewave generators, low THD, phase-locked loops, PLL, binary frequency dividers, Aug 17, 2010
switched-capacitor lowpass filters, external synchronization

APPLICATION NOTE 4504
Locked-Sync Sine Generator Covers Three Decades with Low
Distortion


Abstract:This circuit synchronizes a sinewave output through three decades of frequency (20Hz to 20kHz) while maintaining low
THD and constant amplitude.

A similar version of this article appeared in the September 18, 2009 issue of EDN magazine.

Analog applications such as testing, calibration, and general system operation often require a sine waveform of accurate amplitude
and frequency, with low ……
锁定同步正弦发电机涵盖三个几十年来的低失真
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