I’m pleased to introduce Version 8.1 of the BJT Transistor Experimentation Board.
The new board is now available here:
https://ufelectronics.eu/product/common-emitter-collector-amplifier-board-v8-1/
Although Version 8 has proven to be a useful platform for experimenting with common emitter and common collector transistor circuits, practical use and continued development revealed several opportunities for improvement. Rather than redesigning the board completely, Version 8.1 builds upon the existing concept with a number of carefully considered refinements.
What’s New?
Version 8.1 introduces several new experimentation options, including:
- Optional Vcc+ supply filtering using a resistor, ferrite bead or inductor.
- Additional support for gain-boost experiments through a split collector resistor.
- Extended feedback options for common collector configurations.
- An extra ground connection to simplify external feedback wiring.
- Improved layout refinements based on practical experience.
The board remains fully through-hole, reusable, and intentionally laid out in a semi-schematic style to make it easier to relate circuit diagrams to the physical PCB.
Why Another Revision?
One of the goals of this project has always been to create a PCB that encourages experimentation rather than supporting only a single circuit.
As more amplifier configurations and oscillator circuits were explored, it became clear that a few additional footprints and connection options could significantly increase the flexibility of the board without making it more difficult to understand or use.
Version 8.1 is the result of those small but meaningful improvements.
You can find the product page, photographs and technical information here:
https://ufelectronics.eu/product/common-emitter-collector-amplifier-board-v8-1/