Found in a 1990 Hobbyst Handbook this circuit has an output power of a few tens of watts and serves as reinforced for the car's sound. The speaker can be 2 or 4 ohm.
This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10...
This circuit for the 11-meter band, operating at 29.255 MHz was found in a Radio Electronics dated...
This transmitting circuit for an infrared intercom is from Texas Instruments. The operational...