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VOLTAGE_CONTROLLED_PRR

2015-03-21 06:03  
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VOLTAGE_CONTROLLED_PRR
Input change of only 0.5 v will change pulse repetition rate of generator by factor of more than 1 to 10,000,000. Output pulse is about 0.3 microsec wide, with rise and fall limes of 20 nsec. Addition of back-biased diode CR2 extends low-frequency limit below 0.05 pps.-G. Richwell, Wide-Range Voltage-Controlled Pulse Generator, EEE, 13:10, p 72-77.