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#8
March 23rd 15, 11:06 PM
posted to rec.radio.amateur.homebrew
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Microwave test?
"Roger Hayter" wrote in message
... It is certainly something to bear in mind when designing circuits for above 10GHz. My rule of thumb is 'use PTFE', but I have no scientific justification for that! My enquiry relates to PolyLactic Acid (PLA) which is what my 3D printer extrudes, because I wish to use it to produce some insulator blocks for the HRO-like Catacomb band switching in my "Vapourware" Retro RX. |
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