Sweep Frequency Generator - Block Diagram and its Workings: A Sweep Frequency Generator is a special type of signal generator which generates a sinusoidal output whose frequency is automatically varied or swept between two selected frequencies.…
Transistor Current Sweep Circuit: A simple transistor current sweep circuit is given in Fig. 30.143 (a). In the circuit the transistor is employed as an electronic switch and the inductor in series with the transistor…
Miller Sweep Circuit and Miller Bootstrap Sweep Circuit: The basic R-C sweep circuit is shown in Fig. 30.134, in which opening of switch S provides sweep voltage, as already explained earlier. The waveform generated by…
Sawtooth Voltage Generator Circuit Diagram and Waveforms: Figure 30.129 represents a basic sawtooth voltage generator. Switch S periodically changes its position from point 1 to point 2 (although a mechanical switch is shown in the…
Methods of Sweep Voltage Generation: It is not possible to achieve precise linearity in sweep voltages by electronic means, various methods of sweep voltage generation are enumerated below. 1. Exponential Charging: In this method of…
Time Base Generator - Working Principle and Types: Time base is an axis, normally X-axis, that is used to represent time so that variations of quantities such as voltages, currents etc., or their waveforms can…
Peak to Peak Detector - Working Principle and Applications: A half-wave rectifier with a capacitor-input filter provides a dc output voltage roughly equal to the peak of the input signal. The same circuit with a…
Clamping Circuit Theorem: Under steady-state conditions, for any input waveform, the shape of the output waveform of a clamping circuit is fixed and also the area in the forward direction and the area in the…
Diode Clamping Circuit - Positive and Negative Clamping: Diode Clamping Circuit - A circuit that places either the +ve or -ve peak of a signal at a desired level is known as a clamping circuit.…
What is Comparator in Electronics? - Classification and Applications A circuit used to mark the instant when an arbitrary waveform attains some particular reference level is called a comparator. The clipping circuits can also be…
