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#1
May 6th 06, 10:38 PM
posted to rec.radio.shortwave,rec.radio.amateur.antenna
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If Amloop is LC circuit, what about RLC circuit ??
a damped LC ???
Does it make sense to introduce a R in the LC circuit and use it as antenna ?? Does it change eg the Q ??? etc ... I have tried to put formula's here (look if they are right ! freq_low=Math.sqrt(1/(inductance*cap_high) - (resistance * resistance ) / (4 *inductance *inductance))/(2*Math.PI) freq_high=Math.sqrt(1/(inductance*cap_low) - (resistance * resistance ) / (4 *inductance *inductance))/(2*Math.PI) OK ??? ) http://users.fulladsl.be/spb13810/amlooprlc.htm A high R seems to lower the low freq, that's interesting ... original formula for LC circuits: (put R = 0 in previous, and you should get the same ....) http://users.fulladsl.be/spb13810/amloop.htm -- een appeltje te schillen met http://applefaulty.be http://users.fulladsl.be/spb13810/bwnl.htm Breng je iMac G5 terug (ik wil binnen 2 jaar geen defecte 2de hands Apple kopen) http://www.apple.com/nl/support/imac...ensionprogram/ |
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