You can google " Monostable multivibrator " or check out this site.
2.
Such devices are called monostable LCDs.
3.
In practice, an impulse train generated by a monostable circuit will have many usable harmonics.
4.
However, such a response would be consistent with both a monostable, ultransensitive transition and a bistable transition.
5.
The falling ( negative ) edge of the pulse is used to start a monostable multivibrator in the slave device.
6.
The simplest SSI slave interface uses a retriggerable monostable multivibrator ( monoflop ) to freeze the current value of the sensor.
7.
If further trigger pulses do not affect the period, the circuit is a " non-retriggerable " monostable.
8.
If repeated application of the input pulse maintains the circuit in the unstable state, it is called a " retriggerable " monostable.
9.
When triggered by an input pulse, a monostable multivibrator will switch to its unstable position for a period of time, and then return to its stable state.
10.
In the monostable multivibrator, one resistive-capacitive network ( C 2-R 3 in Figure 1 ) is replaced by a resistive network ( just a resistor ).
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