This circuit was found in Ferranti's 1974 transistor manual. The transistors are from the period and the frequencies generated are between 50 Hz and 2 kHz.
The sensitivity of this circuit depends on the 22 M resistor. The circuit is from old Texas...
Datasheet of This amplifier uses a pair of complementary transistors at the output and can provide 1 W of...
This circuit was obtained in a French documentation from 1981 and can be easily assembled. The...