I made a tinker-box, as recommended by Bob Pease in
Troubleshooting Analog Circuits. It's simply a box of banana jacks connected to various resistors and capacitors. There is one rotary switch connected to resistors of values 10-66kOhms. There is a second rotary switch connected to capacitors of values 10p-1uF. Finally there is also a 100k potentiometer and a ferrite bead. Not much else to say about it other than that it's of great use when experimenting with op-amps. I used it when i built last posts EMC-meter.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhm760VgBe4xF-3hZ55lqjMwrhBvvHkVIZAZFn7zLanYBD2g0cxw69e9R89w6-kxczgTK8tLqXUUDK9ZaypOdN3GRWWIWHy0JrCv6svsbgSpMjWvecSIlwT__Z9PkmfvB4r8wHe6scZEaV5/s1600/2015-03-16+09.11.07.jpg) |
Inside of tinker-box. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMWkf9LWPOY49C9zXvGd72UjNp19hYGDpeFdV0JAwHuitT07UwgsX_fQATkdf3XKxV0JyGsAyx87UsfO4nX0hVhyqXdpPmy_U8SnI4ijmy25f-kEK-DvYXRjEVy1tkXAox9LLcf3J7fL_n/s1600/2015-03-16+09.14.09.jpg) |
Panel-side of tinker-box. |
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