Virtual Lab

Monostable and Bistable Multivibrator

To understand the working of monostable and bistable multivibrators and to analyze their output.

Diode, Capacitor, Resistors, Op Amp, Oscilloscope, Breadboard

Diode

Capacitor

Resistors

Op Amp

Oscilloscope

Breadboard

Choose the circuit :

Resistance R(kΩ)

= 1K

= 10K

= 1μF

= 1K

Capacitance(μF)

Theoretical (ms)

Practical (ms)

Values added to observation!

Resistance added!

Capactiance added!

The screen of the simulator will display the objective, apparatus, theory and procedure.
Click the NEXT button, and the simulator will display the option to Select the type of Multivibrator (Monostable/Bistable).
Display the corresponding circuit.
Display the option to choose the Resistance and Capacitance.
Click on ‘Turn On’ button to connect the circuit to CRO.
Click On ‘View Graph’ button to display the waveform.
Display the frequency of the waveform (for Bistable multivibrator) Display the Quasi stable state time (for Monostable multivibrator)
Click on ‘Add to Table’ button to store the data.
Click on ‘Observations’ to show the tabular column.
Click on ‘Show result button’ to display the result.
Click on Reset button to “reset’.

T = 10.3ms

Volt + = +15V

Volt - = -15V

T = 15ms

Volt + = +15V

Volt - = -15V

T = 18ms

Volt + = +15V

Volt - = -15V

Volt + = +15V

Volt - = -15V

Capacitance(μF)	Resistance(kΩ)	T (Theoretical (ms))	T (Practical (ms))	Error(%)