'A Parallel I.F. Board for the LBS Transceiver', QQ 57(1), January 2016, describes an application of my Parallel IF method (see RadCom 2015) applied to Pete and Ben's LBS transceiver. The system introduces an electronically switching bilateral amplifier, which replaces the relay switching used in (e.g.) the Bitx.
The article can be found below (although not in the QRP Quarterly formatting) can be found below