Biasing technology in amplifier

1. CE amplifier with fixed Biasing
Contents
• Complete CE amplifier
• Equivalent DC circuit
• Fixed bias circuit
• DC equivalent circuit
• B-E loop
• C-E loop
• BJT saturation region
• Common-Emitter (CE) Fixed-Bias Configuration
• Removing DC effects of VCC and Capacitors
• Conclusion and Reference
Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier 1

2. Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

3. Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

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8. Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

9. Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

10. Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

11. Common-Emitter (CE) Fixed-Bias Configuration
The input (Vi) is applied to the base and the output (Vo) is from the collector
The Common-Emitter is characterized as having high input impedance and low output
impedance with a high voltage and current gain.
Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

12. Removing DC effects of VCC and Capacitors
Prepared By S ARUN M.Tech Fixed Biasing of CE amplifier

13. • Conclusion
Here came to know about the details of
biasing in amplifier circuit.
• Reference
 Thomas L.Floyd, “Electronic devices”
Conventional current version, Pearson prentice
hall.
Robert L.Boylestad, “Electronic devices and
circuit theory.
Sedra and smith, “Microelectronic circuits”,7th
Ed., Oxford University Press.
27 November 2018 Electronic circuits - I 13