This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac and the LDR can be of any type.
This oscillator has the output sine waveforms stabilized by a MOSFET. Equivalent types can be...
We found this synchrodyne receiver for the medium or short-wave band in the Radio Electronics...
This amplifier is suggested by Sanyo, for radio and recorder applications and makes use of a...