We found this circuit in a 1964 Electronic Design. It divides the frequency of a 20 MHz signal by 2. The circuit uses a transistor from that time. Details of the coils were not given.
This small signal amplifier circuit was found in Motorola's 1969 documentation. The FET and the...
We find this circuit in an old American manual from the 80's. The circuit has a memory that keeps...
This circuit was found in a Radio Escuela Gráfica magazine from Argentina published in the 70's....