This circuit is from documentation from 1965 but can be easily implemented today using modern transistors. We can use BD136 for Q1 and TIP42 for Q2. The TIP must be equipped with a heat sink.
This remote listening device was found in documentation from the 50's. The transistors used are...
This circuit includes an AD converter for interfacing with a microprocessor and can be used as a...
The figure shows an anti-bounce circuit among many that can be found on our website and in our...