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.
The circuit presented was taken from an old English publication in 1981 but it can be easily...
The maximum frequency of the oscillator shown in figure 10 is on the order of 5 MHz, depending on the...
The circuit presented, from a 2005 documentation, can provide from 1 W to 2.5 W of output when...