What Is Time Base Circuit In Cro

A time base circuit in CRO is a circuit that generates a sawtooth voltage waveform. This waveform is used to sweep the electron beam across the screen of the CRO, creating the illusion of motion. The time base circuit is typically composed of a sawtooth generator, a differentiator, and a sweep amplifier.

The sawtooth generator is a circuit that generates a sawtooth waveform. This waveform is typically generated using a multivibrator circuit. The multivibrator circuit consists of two bistable multivibrators that are cross-coupled. The output of one multivibrator is connected to the input of the other multivibrator, and vice versa. This creates a positive feedback loop that causes the output of the multivibrator to oscillate between two states.

The differentiator is a circuit that converts a continuous waveform into a discrete waveform. This is done by differentiating the input waveform. Differentiation is the process of taking the derivative of a function. The derivative of a function is a function that describes the rate of change of the original function. In the case of a sawtooth waveform, the derivative is a square wave.

The sweep amplifier is a circuit that amplifies the output of the differentiator. This amplified waveform is then used to drive the electron beam across the screen of the CRO. The speed at which the electron beam is swept across the screen is determined by the frequency of the sawtooth waveform.

The time base circuit is an essential component of a CRO. It is responsible for generating the sawtooth waveform that is used to sweep the electron beam across the screen. The time base circuit also determines the speed at which the electron beam is swept across the screen.


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