This variable frequency oscillator for radio transmission covers the range from 1.6 MHz to 20 MHz, depending only on the coil used. The circuit is very stable and can be used in amateur equipment.
This temperature sensor shield or interface was found in a PC English documentation from 1996....
This circuit was found in December 1983 Radio Electronics magazine. The maximum output current is 1 A...
The 74123 TTL integrated circuit consists of a monostable that can be configured to generate...