Multi-decade pulse generator with selectable duty cycle

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< Analog Electronic ~ Multi-decade pulse generator with selectable duty cycle

eric

Posted: Sun Sep 10, 2006 9:32 am Post subject: Multi-decade pulse generator with selectable duty cycle

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Design: K.-H. Lorenz
Many pulse generators with adjustable duty cycle have a significant
drawback, in that the pulse repetition rate also changes when
the duty cycle is adjusted. The circuit shown here avoids this problem.
It uses a square wave generator consisting of IC2a and an RC
network. Range switch S1 selects one of three RC combinations
that control the pulse repetition rate. With the indicated values of
C1, C2, C3 and P1, P2 and

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