This 1924 receiver uses a battery for the tube filaments and a high voltage battery for the amplifier and detector circuit. The speaker is kind of high impedance era.
This timer charges the C1 capacitor with constant current, thus determining the SCR triggering time that...
In the circuit of the figure we used a potentiometer of 1 k ohm. We can use a larger...
Mouser Electronics is offering the new ultra-low power microcontrollers CC26xx SimpleLink ™ for...