On Wed, Nov 13, 2019 at 07:16 AM, Larry Rothman wrote:
"There is an interesting discussion on hugen79's NanoVNA Issues page on Github
regarding circuit changes/mods to reduce overall noise levels."
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Larry,
Hugen posted a chart a few hours ago showing the results of a new PCB with some of the recent improvements installed (see attachment). S11 looks to be <= 40 dB to 1500 MHz and S21 dynamic range is >= 50 dB to 1500 MHz.
- Herb
