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Step by step explanation, with each and every step for calculation is given. Selected problems from HSC Board Papers. Systematically written solved unsolved problems booklet. All 6 chapters: Instruments, Power Supply, Transducer, Operational Amplifier, Communication Electronics, Study of Integrated Circuits; are covered.
This booklet contains selected and regular problems asked in HSC Board examination of 12th standard bifocal electronics subject for paper-1 only.
This is is the first theory paper of 12th electronics syllabus. It carries 50 Marks. These marks are divided into 6 chapters as given below:
Instruments: CRT, CRO, function generator, DMM
DC Power Supplies: HWR, FWR, BR, filters, regulators, 3-terminal ICs
Transducers: active/passive transducers, 9 different types of transducers
Operational Amplifiers: differential amplifier, characteristics of opamp, why dual power supply is necessary, parameters of opamp, inverting/non-inverting amplifier, adder, subtractor, integrator, differentiator, buffer, comparator, Schmitt trigger, etc.
Modern Electronics Communication: elements of communication system, satellite comm., WAN, MAN, LAN; optical fiber comm., facsimile FAX, Cell phone technology, RADAR communication, etc.
Study of Integrated Circuits: complete study of IC 555, IC 741 and IC LM 317.
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