Product Detector for SSB (CB26010E)

This circuit with the NE602 was found in the February 1997 Electronics Now magazine. The NE602 integrated circuit is not very common these days.

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Power grid Transmitter (CB25181E)
This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
Audio generator 741 (CB8643E)
This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit...
Digital Pulse Rate Counter (CB16772E)
In fact, this 1994 circuit uses a scale of LEDs to indicate the pulse rate applied to its input....