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| To: | <[email protected]> |
|---|---|
| Subject: | LF: Re: Balun for tuned loop antenna |
| From: | "Julian Hardstone" <[email protected]> |
| Date: | Mon, 29 Mar 2010 00:45:17 +0100 |
| References: | <71A8DF2CFC0B4036B2664789F2AC98E0@PCCasa> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Daniele - I see from the schematic http://radio-timetraveller.blogspot.com/2009/08/tecsun-pl-600-review-and-schematics.html that the MF-HF input to the PL-600 is a LPF followed by a balanced mixer Also, I believe that the PL-600 is similar to the earlier -1103 sets, so maybe the same 'easter-egg trick' works for the -600 and you did not have to use a soldering iron to connect an MF antenna..? If the LPF is the same as the -1103, C88 will be 82p, C96 7p, C97 68p, so maybe Zin is 75ohm I managed to enable (by means of the soldering iron :-)) the external antenna jack also for MF and LF on PL-600 (normally it only works in HF)...<<< |
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