This circuit was obtained from a 1967 General Electric manual. The circuit makes use of absolutely current components. Similar versions from other sources can be found in this section.
In the figure we have a practical idea for using the good junction of a partially burned...
This circuit generates signals with precise intensities for oscilloscope calibration. The circuit,...
This receiver receives signals in the range of 3.2 to 16 MHz, presenting a good sensitivity thanks...