Circuit designing process Using software 

Opto Coupler Testing Circuit :

 https://www.youtube.com/watch?v=o5WgIluwF2c

Astable Multivibrator Using 555 Timer:

 https://www.youtube.com/watch?v=CXtqr61nDjc

Inverting and Noninverting Amplifier Using 741:

 https://www.youtube.com/watch?v=FtoEbJmYO-c

SAWTOOTH WAVE GENERATION USING CRYSTAL OSCILLATOR: 

https://www.youtube.com/watch?v=8YGfXk6OeOU

Amplitude Shift Keying for Digital Communication Design: 

https://www.youtube.com/watch?v=VzCz4PjR1iA

Frequency Shift Keying Modulator and De-modulator( FSK)

https://www.youtube.com/watch?v=dE_nLy9abaY

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