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| To: | [email protected] |
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| Subject: | Re: LF: Re: Re: Ferrite wideband antennas? |
| From: | wolf_dl4yhf <[email protected]> |
| Date: | Sun, 21 Aug 2011 20:27:48 +0200 |
| In-reply-to: | <001b01cc602c$88403ac0$0401a8c0@xphd97xgq27nyf> |
| References: | <16BC8B3CA8672445BC2A29B4C14A26D4379ED2AAB4@exlnmb01.eur.nsroot.net> <[email protected]> <[email protected]> <9CD1E11E8BC9402CB4AECECAC4088443@JimPC> <00f801cc6004$c2282bd0$1502a8c0@Clemens04> <CAJqZy6yoySSmxUwW9nS6u6b7p9PK6nm4XQbFbKpKydjB70-1vw@mail.gmail.com> <[email protected]> <006601cc6024$05c22340$66a5fe04@ctrask> <001b01cc602c$88403ac0$0401a8c0@xphd97xgq27nyf> |
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Hi Mal, Am 21.08.2011 20:02, schrieb mal hamilton: yes, but in simplistic terms nothing stops the ferrite rod to "concentrate" the magnetic field lines (from the surrounding air) inside the ferrite material, caused by the mu_r being much larger than the surrounding air. Regardless of the presence of the coil. Oh well if there's no coil there won't be a voltage being induced in the coil, it that's what the author wanted to say ?!Look at it this way. An air wound coil by itself will induce a voltage into a radio receiver whereas a ferrite rod by itself will NOT, so the ferrite rod enhances the air wound coil. Is it a question of defination I am just trying to look at it logically, and in simplistic terms g3kev Cheers, Wolf . |
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