This TTL circuit was found in an American documentation from the 80s. The components are common in the series and the supply must be made with a voltage of 5 V.
This 3 + 3 V symmetrical source circuit uses an old operational amplifier. The circuit is from an...
This antenna preamplifier can work with signals from about 20 MHz to 100 MHz, depending only on...
This circuit was published in a 1979 magazine, but it can still be easily assembled, as the...