We found this circuit in a 1973 documentation. The null adjustment trimpot is 10k. The circuit can be powered by symmetrical sources from 9 V. The diodes on the bridge can be 1N4148.
This circuit was found in old Maxim documentation. Check the availability of the IC if you are...
This Hartley oscillator can be used in tests or as a signal injector. The transformer is the type...
The transistor used in this circuit is uncommon today. AC124 or equivalent such as AC188K and...