This QST circuit generates 4 frequency signals according to the crystals used. Transistors admit equivalents although the indicated types can still be found with some ease.
June 2016 - Mouser is providing the new chips of Murata noise filters to products that employ this...
In the figure we have a regulator circuit for output voltages of 0.5 to 10 V with currents up to...
This is a bridge for the measurement of low value resistances and high values too. The circuit...