3EC9 ELECTRONICS LAB I

1.  Study the following devices:

(a)  Analog & digital multimeters

(b)  Function/ Signal generators

(c)  Regulated d. c. power supplies (constant voltage and constant current operations)

(d)  Study of analog CRO, measurement of time period, amplitude, frequency & phase angle

using Lissajous figures.

2      Plot V-I characteristic of P-N junction diode & calculate cut-in voltage, reverse

Saturation current and static & dynamic resistances.

3      Plot V-I characteristic of zener diode and study of zener diode as voltage regulator.

Observe the effect of load changes and determine load limits of the voltage regulator.

4  Plot frequency response curve for single stage amplifier and to determine gain bandwidth

product.

5  Plot drain current - drain voltage and drain current – gate bias characteristics of field

effect transistor and measure of I

& V

dss

p

6  Application of Diode as clipper & clamper

7  Plot gain- frequency characteristic of two stage RC coupled amplifier & calculate its bandwidth

and

compare it with theoretical value.

8  Plot gain- frequency characteristic of emitter follower & find out its input and output resistances.

9  Plot input and output characteristics of BJT in CB, CC and CE configurations. Find their h-

parameters.

10  Study half wave rectifier and effect of filters on wave. Also calculate theoretical & practical ripple

factor.

11  Study bridge rectifier and measure the effect of filter network on D.C. voltage output & ripple

factor.