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Qrp4u.de - QRP and homebrew by DL2YEO (No review yet)

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Language: english

Do you like QRP and homebrew? On this pages you'll see some simple circuits. For example: 30/80m DC-receiver, IF/AF amplifier, QRP push-pull final, calculating SWR meter, 30m tranceiver .....

Keywords: Ka TL494 Ne592 Ne612 Sg Ca MC1350P Ne LM386 Bfo Swr Pwm Vxo Vfo Qrp Agc Cw Xo Mixer Transistor Array Preselector Schematic Circuit Diagram Braun T Cd Synchronous Rectifier Pulse Width Modulator Switching Regulator Power Fet Af Filter Oscillator If


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Content and keywords

Important and popular websites

Important pages are Front Panel Design, Components and 40 M Band Direct Conversion Receiver. In the following table you'll find the 10 most important pages of Qrp4u.de:

# Description URL of the website
1. Front Pa­nel De­sign /menu/../docs/en/front_design/index.htm
2. Com­po­nents /menu/../docs/en/Com­po­nents/index.htm
3. 40 m Band Di­rect Con­ver­sion Recei­ver /menu/../docs/en/40m_rx/index.htm
4. 40 m Band Su­per­het Recei­ver /menu/../docs/en/40m_su­per­het/index.htm
5. 40 m Band Recei­ver wit­hout ICs /menu/../docs/en/40m_discre­te_Rx/index.htm
6. TxRx Control Cir­cuit /menu/../docs/en/control/index.htm
7. Some u­seful Tab­les /menu/../docs/en/tables/index.htm
8. 13.8 V 15 A from a PC po­wer supply /menu/../docs/en/po­wer­supply/index.htm
9. 250 W S.M.P.S. with po­wer FETs /menu/../docs/en/smps_new/index.htm
10. Po­wer Supply for small Tube Amplifiers /menu/../docs/en/tube_smps/index.htm

Technical information

This web server runs a few other websites, mostly in the german language.

The websites of Qrp4u.de are served by a Nginx server. The obsolete technology of framesets is used on the webpages. The homepage of the website is "/index_en.html".

Information about the server of the website

IP address:202.61.232.82
Number of websites:6 - more websites using this IP address
Language distribution:83% of the websites are german, 17% of the websites are english

Technical information about the technology of the website

Webserver software: Nginx
Load time: 0.12 seconds (faster than 97 % of all websites)
Home:/index_en.html
Robot information:index
Frameset:Frameset consisting of 3 frames:
menu, control, body
Filesize:33.02 KB (156 recognized words in text)

Safety and classification

The website doesn't contain questionable content. It can be used by kids and is safe for work.

Attribute Classification
Google Safebrowsing
Safe
Safe for children
100%
Safe for work
100%
Webwiki rating
No ratings
Server location
 Australia
Trustworthy 79%
Disclaimer: The classification is based on the automatic analysis of public information, ratings and customer reviews. All information is provided without warranty.
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