This circuit was found in ancient American documentation. It provides a 70 Vpp signal at frequencies up to 100 kHz. Observe the high supply voltage.
June 2017 - The new non-polarized SMT aluminum electrolytic capacitors from Wurth Electronics can...
This circuit is from an American 80's documentation. The circuit indicates when the voltage of a 9 V...
This circuit was found in an Electronics World of 1966. It has a range of 5 to 25 000 Hz at 1 dB...