This simple 1-transistor audio preamplifier appeared in the June 1968 Radio Electronics magazine. The transistor is a general-purpose type of the time. The gain is 14 dB.
This circuit makes use of components from the time it was published. The TCA151 is not a common...
November 2016 - Mouser Electronics is making the new Kyocera MC2016K Series crystal oscillators...
This circuit is from an old American publication from 1975 but can be easily implemented with any...