Definition of "monostable" []

• Having more than one state, only one of which is stable. (adjective)

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• "It is called a monostable because it is stable in just one state: 'output low'."
• "If you are not getting a nice rectangular pulse here, you may need to add a 555 ic, configured as a "monostable" or "one shot" multivibrator."
• "Circuit operation: The signal detected by the sensor coil is amplified by transistor Q1 and drives the monostable input pin of IC1."