Talking about this Chinese ham radio transceiver requires a veritable flurry of acronyms: HF, SSB, QRP, and SDR to start with. [Paul] does a nice job of unboxing the rig and checking it out.
I am one of those die-hards, and in this post I will show you how to get started. To understand how an SSB transceiver works we must first review the basic architectures of radio receivers.