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Voedingen - Voedingen

Klik voor vergroting13,8V / 15A aus einem PC-Schaltnetzteil durch DL2YEO
Nachteilig bei den üblichen Netzteilen mit linearen Stellgliedern ist die hohe Verlustleistung, das grosse Volumen und ein dementsprechendes Gewicht. Auf der Suche nach einer Alternativen entschied ich mich für den Einsatz eines Schaltnetzteils.
http://www.qrp4u.de/docs/de/powersupply/index.htm

Klik voor vergroting13.8V 20A linear power supply by XQ2FOD
A semi-traditional power supply for communication equipment, using negative-rail regulation with grounded pass transistors in a configuration that gives some unique advantages.
http://ludens.cl/Electron/Ps20/Ps20.html

Klik voor vergroting20 Amp Power Supply by VK4BY
This power supply is the result of the use of components at hand (junk box). The core of the project is a number of 2N3055 transistors and a transformer with a 16 volt 18 amp secondary winding.
http://radarclub.tripod.com/Homebrew.htm#20Amp

Klik voor vergroting20A (and more) - 13,8V Power Supply by IZ7ATH
An other one ???? ...... Yes. The starting problem was to recycle some things: chassis, transfomer, heat sinks etc: what to do? A power supply, of course ! This time I've stabilized the negative side using 6 cheap 2N3055 with collector directly mounted on the chassis.
http://www.qsl.net/iz7ath/web/02_brew/20_ps7912/index.htm

Klik voor vergroting600 VOLTS POWER SUPPLY FOR QRO
Amateur Radio Transmitters using valves such as 807 or1625 works well with a plate voltage between 600V to 700 Volts.The circuit described here is a full wave voltage doubler. The output voltage is twice the input voltage. For 230V AC input the output will be nearly 600 Volts.
http://www.flashwebhost.com/circuit/600_volt_power_supply.php

Klik voor vergrotingBuild A 10 Amp 13.8 Volt Power Supply by N1HFX
Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers. The advantage to rolling your own power supply is that it teaches us how they work and makes it easier to troubleshoot and repair other power supply units in the shack.
http://www.rason.org/Projects/powsupply/powsupply.htm

Klik voor vergrotingA Low Cost Lab Power Supply by F3WM
A stabilized power supply is a very usefull device for an amateur radio when performing tests on his home made designs.
http://www.qsl.net/f3wm/radio/lab_supply.html

Klik voor vergrotingCompact Variable Power Supply by VK4BY
This is a handy little power supply that can provide a voltage range of 1.25 to 13 volts and current up to 500 mA.
http://radarclub.tripod.com/Homebrew.htm#Compact

Klik voor vergrotingPower Supply by GØUPL
Everyone needs a power supply. This simple one shows the general principles. The first step is to select a transformer suited to your need. The primary should be for the correct mains voltage in your country.
http://www.hanssummers.com/psu.html

Klik voor vergrotingStabilized and Secure Power Supply by IZ7ATH
Yet an other one? Yes. It's a stabilized power supply (13V variable-5A) with protection for short cut and high output voltage;
It was born because I needed a "secure" power supply for all my TNC-modems (RF feedback, short-cut,high voltage etc.);
http://www.qsl.net/iz7ath/web/02_brew/16_alim/pag01_en.htm

Klik voor vergrotingVariable output / current limited regulator by KD1JV
Here's a circuit for a fairly simple variable output / current limited regulator, which you can use with a fixed output bench supply, a gel-cell or use as part of a homebrew bench supply. The output voltage can be adjusted from 0 to 14 volts and the current limit set from 0 to 2 amps.
http://kd1jv.qrpradio.com/vps/voclps.HTM

Klik voor vergroting0-14V variable power supply with current limiting, Version 2 by KD1JV
For the experimenter and homebrewer, a variable power supply with current limiting can be very handy. There are not too many of these commercially available and those which are, are fairly expensive. However, it does not cost much to build your own.
http://kd1jv.qrpradio.com/vps/VPS2.htm

Klik voor vergrotingZelfbouwvoeding door PAØWST
Wim PAØWST heeft in het verleden een fantastisch schema ontworpen, waarbij met allerlei zaken rekening wordt gehouden. Te denken valt aan spanning regelbaar, stroom instelbaar, kortsluitvast, printbaanbeveiliging door stroom terug te regelen bij een te grote spanningsval, etc. etc.
http://www.pi4rcg.nl/zelfbouw/zelfbouw-wst-voeding/


Creatie datum : 22/09/2007 @ 11:44
Laatste wijziging : 16/09/2015 @ 18:41
Categorie : Voedingen
Pagina gelezen 30891 keren


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