## 555 Timer Circuit

555 Timer Circuit: The timer IC 555 Timer Circuit is most versatile linear integrated device introduced by Signetics corporation in early 1970. It is basically a monolithic timer circuit which…

## Wien Bridge Oscillator using Op Amp

Wien Bridge Oscillator using Op Amp: This is also RC oscillator which uses RC type of feedback network. The main difference between phase shift and Wien bridge oscillator is that…

## RC Phase Shift Oscillator Using Op amp

RC Phase Shift Oscillator Using Op amp: RC Phase Shift Oscillator basically consists of an amplifier and a feedback network consisting of resistors and capacitors arranged in ladder fashion. Hence…

## Triangular Wave Generator Using Op amp

Triangular Wave Generator Using Op amp: We have seen that, the output of integrator is a Triangular Wave Generator Using Op amp if its input is a square wave. This…

## Square Wave Generator Using Op amp

Square Wave Generator Using Op amp: The Square Wave Generator Using Op amp means the astable multivibrator circuit using op-amp, which generates the square wave of required frequency. The Fig.…

## Second Order High Pass Butterworth Filter

Second Order High Pass Butterworth Filters: The second order high pass Butterworth filters produces a gain roll off at the rate of + 40 dB/decade in the stop band. This…

## First Order High Pass Butterworth Filter

First Order High Pass Butterworth Filter: As mentioned earlier, a high pass filter is a circuit that attenuates all the signals below a specified cut off frequency denoted as fL.…

## Second Order Low Pass Butterworth Filter

Second Order Low Pass Butterworth Filter: The practical response of Second Order Low Pass Butterworth Filter must be very close to an ideal one. In case of low pass filter,…

## First Order Low Pass Butterworth Filter

First Order Low Pass Butterworth Filter: The first order low pass butterworth filter is realized by R-C circuit used along with an op-amp, used in the noninverting configuration. The circuit…

## Butterworth Polynomials

Butterworth Polynomials: The filter in which denominator polynomial of its transfer function is a Butterworth polynomial is called a Butterworth filters. The Butterworth polynomials of various orders are given in…