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Control System-block diagram
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SHUBHAM SHARMA
Block diagram of CRO
This image contains Block diagram of CRO. Basics of oscilloscope: Oscilloscope is an electronic equipment, which displays a voltage waveform. Among the oscilloscopes, Cathode Ray Oscilloscope (CRO) is the basic one and it displays a time varying signal or waveform. In this chapter, let us discuss about the block diagram of CRO and measurements of some parameters by using CRO. Block Diagram of CRO Cathode Ray Oscilloscope (CRO) consists a set of blocks. Those are vertical amplifier, delay line, trigger circuit, time base generator, horizontal amplifier, Cathode Ray Tube (CRT) & power supply. The block diagram of CRO is shown in below figure. The function of each block of CRO is mentioned below. Vertical Amplifier − It amplifies the input signal, which is to be displayed on the screen of CRT. Delay Line − It provides some amount of delay to the signal, which is obtained at the output of vertical amplifier. This delayed signal is then applied to vertical deflection plates of CRT. Trigger Circuit − It produces a triggering signal in order to synchronize both horizontal and vertical deflections of electron beam. Time base Generator − It produces a sawtooth signal, which is useful for horizontal deflection of electron beam. Horizontal Amplifier − It amplifies the sawtooth signal and then connects it to the horizontal deflection plates of CRT. Power supply − It produces both high and low voltages. The negative high voltage and positive low voltage are applied to CRT and other circuits respectively. Cathode Ray Tube (CRT) − It is the major important block of CRO and mainly consists of four parts. Those are electron gun, vertical deflection plates, horizontal deflection plates and fluorescent screen.
Abhishek Nande
Control system block diagrams notes
The above document is control system block diagrams notes. It will be very helpful to your academics a lot.
Ramagiri Rahul