With a 475 V supply, this amplifier published in Radio Electronics magazine in January 1958 offered good power. The amplifier used 4 tubes.
This circuit was found in a 2005 Linear Technology manual. It senses the two-way current,...
This circuit was found in an Electronics Now from the 90's. See the previous article for the...
This is the basic configuration of a monostable TTL with the 74121. The trip is done with an NC...