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Zero Recovery Time Monostable Multivibrator

IP.com Disclosure Number: IPCOM000094237D
Original Publication Date: 1966-Jul-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 23K

Publishing Venue

IBM

Related People

Ferrier, HA: AUTHOR

Abstract

The output of this single-shot is governed by a capacitor such that the output begins as the capacitor starts to charge and remains on until the capacitor is completely discharged. Therefore, the circuit can immediately receive another triggering input pulse.

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Zero Recovery Time Monostable Multivibrator

The output of this single-shot is governed by a capacitor such that the output begins as the capacitor starts to charge and remains on until the capacitor is completely discharged. Therefore, the circuit can immediately receive another triggering input pulse.

Tunnel diode 10 is normally in a high voltage state, keeping transistor Q1 on. A negative input pulse 11 changes diode 10 to a low voltage state and thus turns Q1 off. When Q1 turns off, capacitor 12 begins to charge and turns transistor Q2 off, starting output pulse 13. The voltage on capacitor 12 is fed back to diode 10 so that it eventually causes diode 10 to return to a high voltage state.

When reaching the high voltage state, diode 10 turns Q1 on and causes capacitor 12 to be discharged. When capacitor 12 is completely discharged, Q2 is turned on, ending the output pulse. The single-shot can be triggered at any time after diode 10 returns to its high voltage state.

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