This amplifier is from Motorola documentation from the 70s. The circuit uses transistors from the time, which are not common today, such as the SE7005 or 2N3916 at the output.
Found in EEE documentation, this circuit can have the duration and frequency adjusted separately....
August 2016 - Mouser Electronics is providing the ew converters step down LM53625-Q1 and...
The circuit is from a 1966 English magazine, but it can be assembled with more modern transistors such as...