Found in a 1960s RCA manual, this circuit uses components from the era. For the indicated circuit R1 is 28ohm and R2 is 1 k.
This circuit consists of an echo or reverberation chamber for sound systems and must be...
This circuit detects power cables energized by the field they produce. The captured signals can be...
This old fashioned transistor amplifier was found in a publication of the year 1958. Transformer...