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Tech Head - The Technology Section
SDR radio, Software Defined Radio
Antenna thread
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<blockquote data-quote="s-band" data-source="post: 972655" data-attributes="member: 407744"><p>Helical puts mine to shame.</p><p>Be careful hanging heavy stuff from the LNA. It is very easy to crack the surface mount capacitors if the PCB is stressed. If that happens you will lose a lot.</p><p>The R/A BNC is a bit dodgy at GHz but I can't see that losing the 20dB that's missing.</p><p></p><p>30dB = 2 of the existing ones cascaded but I was just working out what you'd need to overcome the cable loss.</p></blockquote><p></p>
[QUOTE="s-band, post: 972655, member: 407744"] Helical puts mine to shame. Be careful hanging heavy stuff from the LNA. It is very easy to crack the surface mount capacitors if the PCB is stressed. If that happens you will lose a lot. The R/A BNC is a bit dodgy at GHz but I can't see that losing the 20dB that's missing. 30dB = 2 of the existing ones cascaded but I was just working out what you'd need to overcome the cable loss. [/QUOTE]
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