The Common Emitter / Collector Experimentation Board
This section contains ideas what to explore with the Common Emitter / Collector Experimentation Board.
The board is intentionally designed as a flexible learning platform rather than a PCB for a single circuit.
Depending on your learning objectives, it can be used to investigate a wide range of analog electronics concepts, from basic transistor operation to oscillator design and multi-stage amplifier circuits.
The list below contains examples of experiments and circuit types that can be explored using the board. Where available, additional documentation and practical examples will be linked to from this page.
Beginner
- Transistor switch
- LED driver
- Fixed bias
- Voltage-divider bias
- Measuring transistor gain
- Saturation and cutoff
- Collector current
- Base current
Amplifiers
- Common emitter
- Common collector
- Audio preamp
- Sensor amplifier
- Signal buffer
- Variable gain
- Phase inversion
- AC coupling
Feedback
- Negative feedback
- Positive feedback
- RC feedback
- Collector feedback
- Frequency-dependent feedback
Oscillators
- Colpitts
- Hartley
- Crystal
- LC oscillator
- Audio oscillator
Signal conditioning
- Supply filtering
- Decoupling
- Emitter degeneration
- Bypass capacitors
- Impedance matching
Advanced
- Multi-stage amplifiers
- Gain boosting
- RF experiments
- Sensor interfaces
- Custom analog circuits