lec5 diode applications

Basic ELECTRONICS

(2+1)ENGR MUHAMMAD SHAKEEL AKRAM

ELECTRONICS ENGINEERING FICT, BUITEMS.

3

CHAPTER 2

DIODE APPLICATIONS

4

Power supply filters and Regulators

Capacitor input filter

5

Power supply filters and Regulators

Ripple factor: Effectiveness of filter

6

Power supply filters and Regulators

7

Power supply filters and Regulators

Voltage Regulators

8

Power supply filters and Regulators

9

Diode Clipper (Limiter) and Clamping CircuitsClipper

10

Diode Clipper (Limiter) and Clamping Circuits

11

Diode Clipper (Limiter) and Clamping Circuits

Biased Clipper

12

Diode Clipper (Limiter) and Clamping Circuits

13

Diode Clipper (Limiter) and Clamping CircuitsVoltage Divider Biased Clipper

14

Diode Clipper (Limiter) and Clamping Circuits

15

Diode Clipper (Limiter) and Clamping Circuits

Clamper• Adds DC level to an ac voltage

Using KVL• For -ive cycle(charging Capacitor)

-Vin + Vd + Vc = 0

• For +ive Cycle

Vin – Vd + Vc=0Vd = Vin + Vc

16

Diode Clipper (Limiter) and Clamping Circuits

17

Diode Clipper (Limiter) and Clamping Circuits

18