The diode D1 is present here for preventing the discharge of capacitor C1 in the wrong way. The transistor Q1 acts as a switch in this circuit and transistor Q2 is fitted to act as an emitter follower. The circuit has main two components that are NPN transistors, namely Q1 and Q2. The below figure shows the circuit diagram of the Bootstrap sweep circuit: Since Bootstrap Sweep Circuit is also a Voltage Time-Base generator it will have its applications in Electrostatic Deflection like CRO (Cathode Ray Oscilloscope), monitors, screens, radar systems, ADC converters (Analog to Digital converter), etc. We find applications for these kinds of circuits in the field of ‘Electrostatic Deflection’ because electrostatic interactions are directly related to changing voltages. Voltage Time-Base generator: A circuit is called Voltage Time-Base generator if it generates a voltage signal at the output which is linearly varying with respect to time.We find applications for these kinds of circuits in the field of ‘Electromagnetic Deflection’ since the electromagnetic fields of coils and inductors are directly related to changing currents. Current Time-Base generator : A circuit is called the Current Time-Base generator if it generates a current signal at the output which is linearly varying with respect to time.There are basically two types of Time- Based generator, namely Applications of Bootstrap Sweep Generator Now here we explain about bootstrap sweep circuit theory. We previously build a Sawtooth waveform generator circuit using 555 Timer IC and op-amp. In more simple terms, the ‘Bootstrap Sweep Circuit’ is basically a function generator that generates a sawtooth waveform of high frequency. Since the voltage output provided by Bootstrap Sweep Circuit also changes linearly with time, the circuit is also called Bootstrap Time- Based generator. In definition, a circuit is called ‘Time- Based generator’ if that circuit produces a linearly varying voltage or current with respect to time at the output. Generally, the Bootstrap Sweep circuit is also called as Bootstrap Time Based generator or Bootstrap Sweep Generator. Similarly, Bootstrap Sweep Circuit is a sawtooth waveform generator. Anyone who deals with electronics will have come across waveform generator circuits like rectangular waveform generator, square wave generator, pulse wave generator, etc.
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