K3 CW Signal Integrity
The K3 is not only beautiful on the outside - so is the RF coming from it...
20 meter CW RF "dit" on 14.050 MHz with 100 watts to dummy load
6 GHz real-time single shot scope - 1 GS/s into 10 M samples
Upper Left: Yellow trace - RF "dit"
Blue Trace - contour of keyed RF waveform - measured rise (10 to 90) > 3 ms
Lower Left: Zoom of RF "dit" with each period measured < 205 ps rms jitter
Right Side: FFT of "dit" - Red trace 5 MHz span - centered on carrier
Blue Trace - zoom of carrier
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