I had the need to match a batch of transistor pairs for a project, so I designed a circuit board based on a circuit by Ian Fritz.
![](https://www.barbouri.com/wp-content/uploads/2022/08/TransMatchBoards10-1024x418.jpg)
Barbouri's Electronics Projects
Restoring vintage electronics along with designing and building new circuits. One eye looking into the past, the other looking into the future.
I had the need to match a batch of transistor pairs for a project, so I designed a circuit board based on a circuit by Ian Fritz.