This 10.7 MHz sweep generator circuit is suitable for applications in the analysis of FM devices with the oscilloscope. The circuit is from American documentation from the 80s.
Found in a Popular Electronics from the 90's, this circuit detects the approach of objects by the...
This old 4-channel circuit was found in the December 1994 Electronics Now magazine. The circuit uses...
The figure shows how to implement an alarm buzzer in an LM3914 to warn about crossing the scale...