oscillator - Circuitos electrónicos

An informative Beginners Box on Oscillator Design and Theory of Operation -- From the Spread Spectrum / RF / CDMA / Wireless / PCS / Advanced Digital Communications e-zine, Spread Spectrum Scene Online -- Your One Stop Source of News, Information and Reference Material on Spread Spectrum, RF, Wireless -- Home of RF/SS, Silicon Valley's Premier SS, RF and Wireless Consultants........

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This is yet another method to generate low frequency output pulses. The circuit uses an inexpensive under-voltage monitor IC and a couple of cheap MOSFETs. It could easily be modified to produce pulse frequencies from about one cycle per minute to a maximum of about 10KHz. It draws only about 1uA from a 3v battery. This circuit should not be used if frequency stability is important, since it will change as a function of supply voltage........

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