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 shown is from the Linear Applications Handbook and the maximum frequency is in the...
This 100 kHz crystal oscillator uses 7404 to generate square signals. We found it in a Popular...
The circuit shown is a reference of -10 V with a maximum current of 50 mA obtained from the Linear...