This simple general-purpose transistor mixer was taken from an article in Electronics Now magazine in March 1994. You can choose a low-noise transistor such as the BC549.
Found in a 90s Electronic Design, this circuit generates harmonics from a sinusoidal input signal....
Danger always exists and a nuclear war could be underway. Although we can't do more than detect the...
The presented circuit is suggested by Texas Instruments (www.ti.com) in its Application Report...