Found in an older Radio Craft, this circuit covers the aerial band from 118 to 136 MHz. No information is given about the coils.
This is the basic operational amplifier configuration for gain 10. R2 can be changed to other...
This circuit uses a capacitor that depends on the frequency of the crystal. We found it in a 1967...
The crystal frequency of this circuit found in an American documentation is limited only by the...