Page 160 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

TASK 2: Assemble the zero-crossing detector circuit using OPAMP 741 and observe the input and output
waveform

1 Draw the circuit diagram.
2 Connect the circuit as per circuit diagram. Refer Fig 2.
3 Connect +Vcc 15V to pin 7 and –Vcc 15V to pin 4.
4 Apply the input signal with function generator.
5 Observe the input and output waveforms and record voltage level in Table 2
6 Plot the input and output waveform.

Fig 2

Table 2

Sl.No V peak Input waveshape V peak Output waveshape
in out

TASK 3 : Assemble the inverting amplifier circuit using OPAMP 741 and observe the input and output
waveform

1 Draw the circuit diagram.
2 Connect the circuit as per circuit diagram.Refer Fig 3
3 Connect +Vcc 15V to pin 7 and –Vcc 15V to pin 4.
4 Apply the input signal with function generator.
5 Observe the input and output waveforms and record voltage level in Table 3

6 Plot the input and output waveform.

Fig 3

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CITS : Power - Electrician & Wireman - Exercise 68