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Fixed on Variable Off Time Oscillator Disclosure Number: IPCOM000055180D
Original Publication Date: 1980-Jun-01
Included in the Prior Art Database: 2005-Feb-13

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Cambier, CS [+details]


This circuit provides an output waveform of constant duration in one state and of variable duration in the other state using a voltage to control the variable duration. The Fig. 1 circuit, consisting of comparator M1, resistors R1-R5 and capacitor C1, is a standard oscillator. The addition of transistor T1, diode D1 and resistors R6, R7 and R8 provides the control previously mentioned.