We found this circuit that can reach 50 MHz in the February 1997 Electronics Now magazine. The integrated circuits used are not very common today.
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...