This circuit was obtained from an Electronics World of 1969. General-purpose transistors can be used in this configuration.
This circuit was found in a 1987 Radioaficion Microcomputacion magazine. This Spanish magazine no longer...
Using an RCA CA3018 as a base, this circuit has a sensitivity of 2 Mohms per volt. The circuit is from a...
CHANDLER, Ariz., Sept. 15, 2015 [NASDAQ: MCHP] — Microchip Technology Inc., a leading provider of...