His final project as a student was to design an RF transceiver. He decided to work ... [William] talks about building around the example circuit from the datasheet but also includes a discussion ...

It’s a 40 meter (7 MHz) QRP or low power transceiver in which the transmitter ... a J310 FET — between the two halves of the circuit. It’s no slouch as QRP radios go, having clocked up ...