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2 messages added in the last 7 days
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  • Using quartz resonators in front-ends

    Afternoon all, Another direction that the light box has allowed easy evaluation of is the use of a quartz resonator to null out the opto-diode self

    g4hjw 1 day ago
  • FET/diode shunt resistance

    More work/results from the lightbox. Using the Finningley receiver as a test unit, where the opto-diode live side is connected to the FET buffer gate with no

    g4hjw 6 days ago
  • Re: JFET app note for that front-end device

    Evening Doug, Thanks for the reply, which made for interesting reading. The light-tube was threaded through holes in the outer case and inner dividers (then

    g4hjw 24 days ago
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Group Description

This group is dedicated to amateur experimentation and communication using nanowaves, e.g. visible light, infra-red and ultra-violet radiation.

Photo: Red Luminus Phlatlight LED under test. Note QRM source in the sky!

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