Found in an Electronics Now from the 90s this mixer has several inputs. The integrated circuit can still be found easy and the power supply need not be symmetrical.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...
This low-frequency relay oscillator was obtained from an article in Electronics Now magazine in...