This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.
This sensitive AM radio doesn’t need external antenna, picking easily local stations. The output...
We found this circuit in an American publication from the 90s. The transistors must be provided with...
This circuit generates a frequency modulated tone with excellent power. Other power MOSFETs can be...