The signal from this transmitter is injected into a cable that you want to follow along a pipeline. Monitoring is done using an ordinary AM receiver out of season.
This circuit is from Motorola's 1993 Linear Interface ICs. The circuit must be powered by a...
This transmitter for short range in the medium wave range was found in a Raytheon publication from...
We found this circuit in a 1977 publication for radio amateurs. It serves to test general purpose...