This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
The filter shown in the figure can operate with frequencies up to several tens of megahertz thanks...
This oscillator reaches 50 MHz with an overtone crystal. The circuit is from Electronics Now...
Found in Linear Technology documentation from the 1980s, this circuit has an accuracy of 0.01%....