This high quality circuit with complementary symmetry was found in an Electronics World of 1966. It can be made with modern transistors like the BD or TIP series.
June 2017 - Bosch's new low G triaxial sensors can now be obtained from Mouser Electronics. The...
This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common...
This car amplifier was found in the 1982 SGS Linear Integrated Circuits manual. The circuit can be...