Hello students friends 

CAT 3 syllabus:
Voltage Regulators: Introduction, Fixed Voltage regulators, Adjustable Voltage regulators, Switching regulators, special regulators.  AC and DC analysis.                DtoA and AtoD converters – Basic DAC Techniques.  Digital PLL,
 ADPLL, clock generation circuit.                  Phase shift oscillator, Wein bridge oscillator, Square wave generator, triangular wave generator, saw tooth wave generator, Comparators and converters: Schmitt trigger, Clippers and clampers, peak detectors, sample and hold circuit.    and whatever discussed in the class.