This simple circuit for the 3 to 30 MHz range was found in the Electronics Experimenter Handbook Special Projects of 1983. The coils consist of 10 and 50 turns of 32 wire on a 1 M x ½ W resistor.
We found this circuit in an article of our own from 1992. The circuit is based on an integrated circuit...
This preamp version uses BC109 transistors that are older versions of the current BC549 in plastic...
The transistors of this circuit may be the BC548 or BC549 and its power supply can be performed...