← 4.2 Single Stage Bipolar Junction Transistor (BJT) Amplifier
Frequency response and bandwidth
Electrical Technology · Grade 11 · about 40 minutes
Describe how the gain of an amplifier changes with frequency.
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- 9 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
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Other lessons in this sub-strand
- Introduction to amplifiers and the BJT
- Construction and terminals of the BJT
- Forward and reverse biasing the BJT
- Transistor currents and current gain
- Common emitter, common collector and common base
- The single stage common emitter amplifier
- The common collector (emitter follower) amplifier
- The common base amplifier
- Collector characteristic curves
- The DC load line and the Q point
- Biasing methods for a single stage amplifier
- Coupling and decoupling capacitors
- Voltage gain of a single stage amplifier
- Current gain, power gain and decibels
- Frequency response and bandwidth
- Building a single stage amplifier on a breadboard
- Testing and troubleshooting a single stage amplifier
- Applications of single stage BJT amplifiers