Lecture 13: Diodes and Limiting & Clamping Circuits in Electronic Devices & Circuits, Essays (university) of Digital Image Processing

This lecture note from ee-215, electronic devices & circuits, covers the concepts of limiter and clamping circuits using diodes. Topics include the transfer characteristic of limiters, soft and hard limiting, clipping circuits, the clamped capacitor or dc restorer, and the voltage doubler. Dr. Farid gul instructs bee 10ab students in the electrical engineering department.

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2018/2019

Uploaded on 10/18/2019

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EE-215
Lecture No 13
Electronic Devices & Circuits
Text Book: Chapter 04 (SEDRA/SMITH 6th Ed)
Instructor: Dr. Farid Gul
Class: BEE 10AB
Electrical Engineering Department
Diodes
4.6 Limiting and Clamping Circuits
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Lecture No 13

Electronic Devices & Circuits Text Book: Chapter 04 (SEDRA/SMITH 6 th Ed) Instructor: Dr. Farid Gul Class: BEE 10AB Electrical Engineering Department Diodes 4.6 Limiting and Clamping Circuits

Limiter Circuits

If R 1 is small compared to RL , then Upper threshold = ?? Lowe threshold = ??

Upper threshold = ?? Lowe threshold = ??

Examples of Clipping Circuits

Examples of Clipping Circuits

The Clamped Capacitor or DC Restorer

The dc component or average value of a pulse waveform is an effective measure of its duty cycle

The Voltage Doubler

A peak rectifier formed by D 2 and C 2 A clamped capacitor formed by C 1 and D 1