The analog height sensor conversion circuit of the above circuit is given below. It is also in the 1992 Electronics Experimenter magazine article.
This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz....
This circuit produces a square wave signal with the frequency determinated by R1 and C1. The upper limit...
This circuit was found in Motorola's 1968 documentation. The SCRs are then replaceable with...