This 100 MHz bridge circuit was found in an American 1970s documentation. The supply voltages are not indicated, nor are the tubes.
We find this circuit in an American publication of 1978. The integrated circuit is the CMOS 4013...
This detector is from the 1990 Motorola Dataar Databook, but can be adapted to work with more...
August 2016 – It can be obtained from Mouser Electronics the new modules Littelfuse for surge...