Frequency response amplifier using transistors, amplifier with negative feedback and stability; OpAmp based tuning circuit technique; multivibrator oscillator: signal generator; output stage and power amplifier and power supply; switching power supplies; Digital Electronics: CMOS level; data converter: ADC and DAC; Oscillator circuit; FETs; differential amplifier; Operational amplifier; Mixers and modulators; Basics of logic circuits;Thyristors.