Domain > www.whirlow.org

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2018-05-24	31.220.16.54 (ClassC)
2026-02-26	80.6.99.192 (ClassC)

HTTP/1.1 200 OKServer: nginxDate: Sat, 27 Jul 2024 22:34:34 GMTContent-Type: text/htmlContent-Length: 52662Connection: keep-aliveKeep-Alive: timeout20Vary: Accept-EncodingLast-Modified: Sun, 20 Mar 20

!DOCTYPE html PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN>html>head>        meta contenttext/html; charsetISO-8859-1 http-equivcontent-type>        title>EB104 Linear Amplifier Design and Construction/title>/head>body>div styletext-align: center; font-family: Helvetica,Arial,sans-serif;>h2>G4APVs  EB104Construction Page/h2>/div>span stylefont-family: Arial;>span stylefont-weight: bold;>/span>/span>span stylefont-family: Arial;>span styletext-decoration: underline;>/span>/span>span stylefont-family: Helvetica,Arial,sans-serif;>span stylefont-weight: bold;>br>br>EB104/span>br>Thisweb pagecontains a sort running log about the construction of a MRF150 based600W linear amp.  The basis of the amp is an old but reliabledesign by Motorola that came out as /span>a stylefont-family: Helvetica,Arial,sans-serif; hrefeb104.pdf>EngineeringBulletin 104/a>span stylefont-family: Helvetica,Arial,sans-serif;>,hence EB104.br>br>/span>span stylefont-family: Helvetica,Arial,sans-serif;>span stylefont-weight: bold;>Case/span>br>Thecase came from a hrefhttp://www.maplin.co.uk/ target_blank>Maplin/a>.a hrefeb104_pics/case.jpg target_blank>br>img stylewidth: 384px; height: 288px; alt srceb104_pics/case_small.jpg>/a>br>br>br>span stylefont-weight: bold;>Parts/span>br>So what goes into the case?  Here is the kit of EB104 partsthat Igotfrom a target_blank hrefhttp://www.communication-concepts.com/eb104/>CommunicationConcepts/a> for the amplifieritself:/span>a hrefeb104_pics/eb104_cci_parts.jpg>br>img stylewidth: 263px; height: 282px; alt srceb104_pics/eb104_cci_parts_small.jpg>/a>br>br stylefont-family: Helvetica,Arial,sans-serif;>span stylefont-family: Helvetica,Arial,sans-serif;>span stylefont-weight: bold;>Attenuator/span>br>Aswell as that I needed a few other parts, these are for theattenuator to drop 20W down to 6W.  This 6dB odd loss ensuresthatmost HF transceivers with a typical low power output of about 10W canbe used to drive the amplifier with a bit of a margin of safety.It also ensures the input impedance to

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Domain > www.whirlow.org

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