New battery life for 15 years,Rechargeable batteries is necessary for modern people, but the short service characteristics make a person very entanglements. Therefore, the university of southern California scientists have developed a life new batteries f... View More>>
Germany steamrolled over host Brazil 7-1 on Tuesday in their semifinal game to enter the final of the 2014 FIFA World Cup. Five of Germany's goals came in the first half.... View More>>
filament lamp will be completely stop Ledlighting industry bring the update,From the October 1st this year, China will ban the import and sales of more than 60 watts and general filament lamp;... View More>>
German saving batteries demand rushly 1.4 million pv station excess capacity According to the European energy exchange report , the electricity power from solar energy in German has more than 50% for the first time, a huge battery of photovoltaic pow... View More>>
New Special power supply,Input: 230V AC +-15%, 50 – 60Hz , Output: 12V DC, min. 2A cont. current, Output: 3,3A max peak current for 6 sec. ErP compliant idle power <0.3 W... View More>>
Belgium stay perfect, desperate Portugal deny USA... View More>>
Dc dc switching power supply "soft start" circuit diagram. Shown in the following figure (a), During the electricity connection moment, input voltage would charge for capacitor C trough the rectifier bridge (from D1 to D4) and current limiting resistor R1... View More>>
‘Five US troops killed by friendly fire’ in Afghanistan... View More>>
DC - DC converter for Cell phone with power wire wound inductors,Mobile phones, portable music players and portable game consoles, laptops and other portable electronic products exist in our daily life.... View More>>
DC/DC converter could reduce the cost ? The market supply all kinds of converter module, it looks almost no difference. But sometimes the price is quite low, causing not any advantages in the internal production.... View More>>
60W DC DC high isolation power module, Currently, the market 60W DC DC power module almost has no difference,the isolation voltage gather around the 1000-1500VDC,... View More>>
Dynamic slope - power supply test you overlooked problem,When do the dc dc power supply response speed test, load test in the dynamic capabilities. But how to get the dynamic parameters of load up the slope and down slope?... View More>>
How to select the dc dc power module manufacture? Meet their requirements.2. the product line.3. communicate with the company's FAE engineers,understand the company's executive design standards... View More>>
AC DC power module sealing requirements, AC - DC switching power supply power module sealing is very important, which not only involves the AC - DC power module protection, (waterproof, moisture-proof, dustproof, anti-corrosion, etc.), but also involv... View More>>
Photovoltaic inverter "value war " not "price war", The battlefield has no permanant winner, but only constantly change. Photovoltaic inverter a giant SMA says influenced by Asian inverter products "price war", its product prices collapsed ...... View More>>
linear power supply PCB design,do you know? Power supply circuit is an important part of an electronic product, powe module power supply circuit design is good or bad, directly affected the performance of the product is good or not.... View More>>
2014 China (chengdu) electronics show
2014 China (chengdu) electronics show will be held on July 10th-12th in chengdu century city new international exhibition center. As China (chengdu) electronics show in one of the most important point, brings man... View More>>
Two main factors decide the photovoltaic inverter conversion efficiency, What is the conversion efficiency of photovoltaic inverter? Actually photovoltaic inverter conversion rate refers to the inverter will change into the efficiency of electricity ...... View More>>
Electronic design development-open source PCB design, A trend in the electronic design is open source hardware and its supporting the usage of open source schematic and PCB layout.... View More>>
New rules for Power supplies export to TAIWAN
According to TAIWAN BSMI claims the new rules, all the sales products to TAIWAN market especially on the 3C (batteries, power supply, portable power source,power charge) has be make the BSMI certificate and... View More>>