1987 Audi 4000S Main Fuse box Diagram
1987 Audi 4000S Main Fuse box Diagram 1987 Audi 4000S Main Fuse box Map Fuse Panel Layout Diagram Parts: upshift relay, load reduction, horn relay, auto trans relay, intermitten wiper relay, fuel pump,...
View Article80~120 W Medical Power Supplies
80~120 W Medical Power Supplies CUI Inc announced a further expansion to their VMS medical open frame power supply portfolio with the release of three new series ranging from 80 W to 120 W. The VMS...
View ArticleDC-DC Multi-Chip Module Family
DC-DC Multi-Chip Module Family New energy standards, combined with new system specifications for blade servers, high performance notebooks, gaming consoles and POL modules, are driving the requirements...
View ArticleHV2405E transformerless stabilizer
Using HV2405E chip, manufactured by Harris, along with a few external components connected like in this circuit diagram can be achieved a voltage stabilizer without a voltage transformer. Using HV2405E...
View ArticlePower Guard
Under and Over Voltage Protector A few circuits on under/over voltage protection have appeared recently in EFY. But this circuit is simple, very easy to construct and inexpensive. It can be added to...
View ArticleLM317 Calculator
LM317 Calculator or LM317 Toolkit Software Program to calculate the resistance at a LM317 / LM117. LM317 toolkit software is completely free, fully functional and easy to use. It runs under Microsoft...
View ArticleNi-MH Ni-Cd Adjustable Constant Current Charger
Ni-Cd Ni-MH Adjustable Constant Current Battery Charger Circuit This is a Adjustable Constant Current Ni-MH or Ni-Cd battery charger circuit. It can be used to get a constant current power supply. Here...
View ArticleUpgrade Your USB Hub
Problems can arise with USB hubs that are powered from a PC when gadgets plugged into them draw too much current. This is often the case with devices fitted with USB cables that are too long or too...
View ArticleRugged PSU For Ham Radio Transceivers
This rugged power supply is based on the popular LM338 3-pin voltage regulator. The LM338 is capable of supplying 5 A over an output voltage range of 1.2 V to 32 V with all standard protections like...
View Article13V/2A PSU For Handheld Rigs
This compact 13-V/2-A power supply for ham radio rigs and other VHF/UHF portable PMRs is based on the STR2012/13 voltage regulator IC from Sanken Electric Co. Many power supplies for handheld amateur...
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