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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: Re: VLF 9 kcs: preamp and antenna noise |
| From: | "Roelof Bakker" <[email protected]> |
| Date: | Sun, 06 Jun 2010 10:21:43 -0000 |
| In-reply-to: | <DFFD7B2AF9C74F0C9C1BFD90F8559389@JimPC> |
| References: | <004801cb04d6$e9740b80$0401a8c0@xphd97xgq27nyf> <CD190EC05BA84C1685A9A2F4A56DD284@JimPC> <004301cb0544$56965980$0201a8c0@Clemens04> <FF5414DBC74E45B69F5D9E01FDFB4A0C@White> <DFFD7B2AF9C74F0C9C1BFD90F8559389@JimPC> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Opera Mail/10.53 (Win32) |
Dear Jim, The figures Clemens quotes for the Perseus RX are curious < PERSEUS has a rf-isolating transformer at the input, which has a low frequncy roll off. At 10 kHz the attenuation is 8 dB, so the stated noise figure of 27 dB at 9 kHz complies with this. Best regards, Roelof Bakker, pa0rdt |
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