Although we had strongly suggested that builders FIRST build the receiver in accorandance with Dean KK4DAS's excellent videos, we also told builders that once they got those receivers working, there was, of course, no limit on the modifications and circuit changes they could make. We are very pleased that Brian KI7KLB has followed this advice.
Brian writes:
The KI7LKB DCR has been modified to include the KK4DAS 3rd stage of the audio amp, a QRP guys frequency counter, and an enclosure made from scrap aircraft aluminum and hardware. My favorite mod, however, is the WB6AMT (SK and former Elmer) voltage regulator circuit. It allows me to power the DCR from the shack 13.8 volt power supply while simultaneously providing 9.5 volts for the radio and 12 volts for the frequency counter. While I ordered components from Digi-Key, it was fun to include a coat hangar, spare aircraft hardware, scrap wood, and repurpose the frequency counter from another project.
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