A CMOS Schmitt-trigger inverter has a low output level of 0 V and a high output level of 5 V. It has input thresholds of 1.6 V and 2.4 V. The input capacitance and output resistance of the Schmitt-trigger are negligible. The

frequency of the oscillator shown is ______________ Hz.

(Round off to 2 decimal places.)        

An oscillator circuit using ideal op-amp and diodes is shown in the figure.        

The time duration for +ve part of the cycle is  and for –ve part is . The value of  will be ____________.

A waveform generator circuit using OPAMPs is shown in the figure. It produces a triangular wave at point ‘P’ with a peak to peak voltage of 5 V for.        

If voltage is made +2.5V, the voltage waveform at point ‘P’ will become

The circuit shown in the figure is

A relaxation oscillator is made using OPAMP as shown in figure. The supply voltages of the OPAMP are ±12V. The voltage waveform at point P will be

In Figure if the input is a sinusoidal signal, the output will appear as shown in                

The output voltage of the Schmitt trigger shown in Figure swings between +15V and –15V. Assume that the operational amplifier is ideal. The output will change from +15V to –15V when the instantaneous value of the input sine wave is

Determine the transfer function  for the RC network shown in Figure (a). This network is used as a feedback circuit in an oscillator circuit shown in Figure (b) to generate sinusoidal oscillations. Assuming that the operational amplifier is ideal, determine  for generating these oscillations. Also, determine the oscillation frequency if  and C =100pF.

For the oscillator circuit shown in figure, the expression for the time period of oscillation can be given by (where τ = RC) 

Show that the circuit given in figure will work as an oscillator at , if ?

Determine the frequency of oscillation of the circuit shown in figure. Assume the op-amp to be ideal