Published in Popular Electronics with the curious name of Obnoxious Noisemaker, this 1968 circuit generates random sounds that are reproduced on a loudspeaker. The power transistor can be a BD136.
The author of this project found in a 1983 publication says that he uses this mini amplifier as a...
The LM150, 250 and 350 series are manufactured by several semiconductor industries that suggest...
In the figure we have the way of using a transconductance amplifier (OTA), LM3900 as a simulated...