4EX4-APPLIED ELECTRONICS |
Units: I-FEEDBACK AMPLIFIERS: |
Classification, Feedback concept, Transfer gain with feedback,
General characteristics of negative feedback amplifiers. Analysis of voltage-series, voltageshunt,
current-series and current-shunt feedback amplifier, Stability criterion.
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Units: II-OSCILLATORS: |
Classification, Criterion for oscillation. Tuned collector, Hartley, Colpitts,
RC-Phase shift, Wien bridge and crystal oscillators, Astable, monostable and bistable
multivibrators. Schmitt trigger. Blocking oscillators. |
Units: III-HIGH FREQUENCY AMPLIFIERS: |
Hybrid pie model, conductances and capacitances of
hybrid-pie model, high frequency analysis of CE amplifier, gain-bandwidth product. Emitter
follower at high frequencies.
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Units: IV-DIGITAL LOGIC GATE CHARACTERISTICS: |
TTL logic gate characteristics. Theory &
operation of TTL NAND gate circuitry, Open collector TTL. Three state output logic. TTL
subfamilies, MOS & CMOS logic families. Realization of logic gates in RTL, DTL, ECL,
CMOS & COMS logic families. Realization of logic gates in RTI, DTI, ECL, CMOSFET.
Interfacing logic families to one another.
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Units: V-POWER AMPLIFIERS: |
Power amplifier circuits, Class A output stages, class B output stage
and class AB output stages class C amplifiers, pushpull amplifiers with and without
transformers. Complementary symmetry & quasi complementary symmetry amplifiers
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