This circuit was obtained from a 1977 FET manual. The circuit measures inductances using a signal generator as a reference. The range is from 60 uH to 60 000 H. The FET can be a BF245.
The TTL circuit shown in the figure generates a 1 MHz rectangular signal depending on the 20-200 pF...
This assisted ignition circuit (which reduces the spark current) dates to the time when cars had...
This amplifier uses an integrated circuit from the 70s, which is no longer common on the market. The...