This experimental circuit with Nixie tube was found in the Radio Electronics magazine of March 1969. The circuit serves for demonstrations and also for testing these digital indicator tubes.
This sensitive 4-transistor signal follower can be used in both audio and RF circuits. P1 is a...
This circuit for powering TTL and even modern microcontrollers is from February 1987, Radio...
This amplifier of a few watts of power was found in English documentation from 1995. Power...