EC8351 ELECTRONICS CIRCUIT 1
UNIT I BIASING OF DISCRETE BJT, JFET AND MOSFET 9
BJT– Need for biasing - DC Load Line and Bias Point – DC analysis of Transistor circuits - Various biasing
methods of BJT – Bias Circuit Design - Thermal stability - Stability factors - Bias compensation techniques
using Diode, thermistor and sensistor – Biasing BJT Switching CircuitsJFET - DC Load Line and Bias Point -
Various biasing methods of JFET - JFET Bias Circuit Design - MOSFET Biasing - Biasing FET Switching
Circuits.
UNIT II BJT AMPLIFIERS 9
Small Signal Hybrid π equivalent circuit of BJT – Early effect - Analysis of CE, CC and CB amplifiers using
Hybrid π equivalent circuits - AC Load Line Analysis- Darlington Amplifier - Bootstrap technique -
Cascade, Cascode configurations - Differential amplifier, Basic BJT differential pair – Small signal analysis
and CMRR.
UNIT III SINGLE STAGE FET, MOSFET AMPLIFIERS 9
Small Signal Hybrid π equivalent circuit of FET and MOSFET - Analysis of CS, CD and CG
amplifiers using Hybrid π equivalent circuits - Basic FET differential pair- BiCMOS circuits.
UNIT IV FREQUENCY RESPONSE OF AMPLIFIERS
9 Amplifier frequency response – Frequency response of transistor amplifiers with circuit
capacitors – BJT frequency response – short circuit current gain - cut off frequency – fα, fβ and unity gain
bandwidth – Miller effect - frequency response of FET - High frequency analysis of CE and MOSFET CS
amplifier - Transistor Switching Times.
UNIT V POWER SUPPLIES AND ELECTRONIC DEVICE TESTING 9
Linear mode power supply - Rectifiers - Filters - Half-Wave Rectifier Power Supply - Full-Wave Rectifier
Power Supply - Voltage regulators: Voltage regulation - Linear series, shunt and switching Voltage
Regulators - Over voltage protection - BJT and MOSFET – Switched mode power supply (SMPS) - Power
Supply Performance and Testing - Troubleshooting and Fault Analysis, Design of Regulated DC Power
Supply.