This sensitive Japanese mid-wave receiver from the 1960s has an output power of 45 mW and is powered by 3 batteries (4.5 V). The circuit is superheterodyne with an IF of 455 kHz.
We found this circuit in an old documentation. It has a thermally compensated voltage reference. The...
Suggested by a Popular Electronics, this small amplifier that has a detector to follow RF...
The presented circuit generates a pulse whose delay in relation to the input depends on RC. These...