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| To: | [email protected] |
|---|---|
| Subject: | VLF: PA circuit |
| From: | DK7FC <[email protected]> |
| Date: | Tue, 17 May 2016 20:32:46 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 |
Hi VLF,JUst in case it is of interest for someone, here's an image of my VLF PA circuit that i'm using in the latest experiments: https://dl.dropboxusercontent.com/u/19882028/VLF/20160517_201732.jpg It includes the antenna coupling and antenna current measurement circuit.There will be extensions for an analog phase meter and a circuit for automatically steering the transductor to hold the resonance (automatic variometer). In a few days... 73, Stefan |
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