Re: Making a Q-meter /
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Try calculating the output Z by measuring the chaange in outpuit V when terminated with small value resistor (of suitable power rating).
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John KK6IL On 9/17/2022 9:49 AM, Steve Ratzlaff wrote:
I don't know why my measurement gives the higher than expected output impedance. I've confirmed the (calibrated) VNWA accurately measures a 0.2 ohm resistor. My breadboard is "ugly style, soldered connections, over a copperclad PCB ground plane". The polarized caps are wired properly. The 2N5109's are modern Central Semi. |
John Kolb