Month: June 2014

Testing the K2

• Resistance checks
  • Pass
• Assemble the Case and plug in the Front Panel and Control Board.
  • It’s starting to look like a radio now. Isn’t it small!
• 4MHz Reference Oscillator Calibration Check
  • The target is 12090 kHz +/- 30 kHz. Mine is running at 12099.45. Pass.
• PLL Reference Oscillator Range Test.
  • Target range is between 9.5 and 15kHz. Mine is 13.38kHz. Pass.
• VCO test
  • Target is to be stable in the range 8 to 10MHz. Mine is 12.099.45 MHz. Fail 🙁
• Time to get digging.

OK, almost without realising it, I got to the end of page 55, turned over, and found that, in theory anyway, I have a working 40m all mode receiver. There are some tests to run through, but the first phase is reaching completion.