The KN-Q7A Single Band SSB Transceiver – 6 Mixer and VXO Local Oscillator
Back to – 5 IF Crystal Filter
The core component is another double-balanced mixer and oscillator NE602A. It acts as the RX/TX mixer and the local oscillator (LO). Be careful in this step! You must break the tubular capacitor inside the IF can, and remove all the loose fragments before installation.
The one on the left is a stock IF can. The one on the right is what your looking to do. This completes populating the top half of the PCB. I took a break and took some pictures. Enjoy:
The next step is to build the RX Front End…