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Pulse and Digital Circuits by Manmadha Rao G., Rama Sudha K., Venkata Rao K.

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14.3 ASTABLE BLOCKING OSCILLATORS

Now let us consider astable operation. In an astable operation, the device switches state automatically. However, in astable blocking oscillators, a trigger is used to initiate regeneration after which the circuit oscillates on its own. Here, two types of astable blocking oscillators are considered: a diode-controlled astable blocking oscillator and an RC-controlled astable blocking oscillator. In a diode-controlled astable blocking oscillator, a diode circuit is used to trigger regeneration and the operation then switches to astable mode whereas in an RC-controlled astable blocking oscillator, an RC circuit is used for the astable operation.

14.3.1 Diode-controlled Astable Blocking Oscillators

A diode-controlled ...

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