Found in a 1964 publication, this circuit makes use of transistors from the time. It operates on frequencies up to 3 kHz.
Using a CA3130 and a power transistor, this circuit can deliver a current of up to 500 mA with the...
Rechargeable Nicad batteries type AA, C or D can be recharged with this circuit, which is nothing...
We found this circuit in a 1977 CMOS oscillators documentation. The power can be sourced with...