This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The circuit is for the AM band up to 3 MHz. The transistors are general-purpose.
We found this circuit in a circuit manual from the 1980s. The circuit eliminates the conductive...
This circuit generates interval signals controlled by a light sensor. The basic time of the sound...
This high-gain digital amplifier uses general-purpose transistors. The supply voltage is logic...