This circuit provides a few watts of output and can be used in the car as an auxiliary amplifier. Transistors must be mounted on heatsinks and the speaker can be 4 ohms or 8 ohms.
TQP92xx series power amplifiers for frequencies in the typical range of 1,805 -2,200 MHz can be...
This is one of the possible timer configurations with the 555. We found it in October 1986 Radio...
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...