http://www.edn.com Fri, 10 Feb 2012 03:13:17 MST eng Copyright 2012 UBM Canon. Subject to its Terms of Use (http://www.edn.com/info/terms-and-conditions.php) http://www.edn.com/blog/PowerSource/41612-Notes_from_APEC_SiC_diodes_quals_New_GaN_drivers_STMicro_3Sun.php?rssid=20881 http://www.edn.com/blog/PowerSource/41612-Notes_from_APEC_SiC_diodes_quals_New_GaN_drivers_STMicro_3Sun.php?rssid=20881 Wed, 08 Feb 2012 14:42:49 GMT Transphorm has said repeatedly that it’s not just about announcing new products in the ultra-fast, new technology switching FET space of GaN-on-silicon, but providing production quantities of... http://www.edn.com/blog/PowerSource/41611-Samsung_LED_light_bulb_teardown_includes_objective_dimming_numbers.php?rssid=20881 http://www.edn.com/blog/PowerSource/41611-Samsung_LED_light_bulb_teardown_includes_objective_dimming_numbers.php?rssid=20881 Wed, 08 Feb 2012 02:13:43 GMT Samsung sent me one of their new LED sno-cone-type bulbs to try out. The bulb specs are: 550 lumens at 10Wat a color temperature of 3000K, and comes with a 5-year warranty. Its list price is... http://www.edn.com/blog/PowerSource/41609-Cree_ups_lumens_Watt_AND_lumens_dollar_with_new_LEDs.php?rssid=20881 http://www.edn.com/blog/PowerSource/41609-Cree_ups_lumens_Watt_AND_lumens_dollar_with_new_LEDs.php?rssid=20881 Tue, 07 Feb 2012 18:33:17 GMT Hot on the heels of last month’s introduction of the XB-D LED technology platform, Cree today is introducing the XT-E series of high-brightness white LEDs.The XB-D series is optimized for price... http://www.edn.com/blog/PowerSource/41606-Cree_ups_lumens_Watt_AND_lumens_dollar_with_new_LEDs.php?rssid=20881 http://www.edn.com/blog/PowerSource/41606-Cree_ups_lumens_Watt_AND_lumens_dollar_with_new_LEDs.php?rssid=20881 Tue, 07 Feb 2012 17:38:57 GMT Hot on the heels of last month’s introduction of the XB-D LED technology platform, Cree today is introducing the XT-E series of high-brightness white LEDs.The XB-D series is optimized for price... http://www.edn.com/blog/PowerSource/41600-Adafruit_Sparkfun_point_to_the_democratization_of_hardware.php?rssid=20881 http://www.edn.com/blog/PowerSource/41600-Adafruit_Sparkfun_point_to_the_democratization_of_hardware.php?rssid=20881 Fri, 03 Feb 2012 18:52:24 GMT One of the not-so-obvious side benefits of the miniaturization of electronics is that folks far removed from the realm of electronic engineering become comfortable with small electronic devices... http://www.edn.com/blog/PowerSource/41596-Dinner_with_Brad_Davis_Best_in_Test_s_Test_Engineer_of_the_Year_.php?rssid=20881 http://www.edn.com/blog/PowerSource/41596-Dinner_with_Brad_Davis_Best_in_Test_s_Test_Engineer_of_the_Year_.php?rssid=20881 Wed, 01 Feb 2012 17:56:27 GMT  Last night, after Brad Davis of Broadcom won the DesignCon Best it Test “Test Engineer of the Year” award, I got to tag along when the folks at Test & Measurement World and National... http://www.edn.com/blog/PowerSource/41593-L_Prize_bulb_price_specs_use_the_Captain_Barbossa_method_They_re_more_like_guidelines.php?rssid=20881 http://www.edn.com/blog/PowerSource/41593-L_Prize_bulb_price_specs_use_the_Captain_Barbossa_method_They_re_more_like_guidelines.php?rssid=20881 Mon, 30 Jan 2012 18:38:10 GMT I really have only myself to blame for not carefully reading the  text around the pricing table contained in the L-Prize requirements for the sales price of the L-Prize bulb. See, I thought that... http://www.edn.com/blog/PowerSource/41588-Paper_looks_at_capacitance_in_power_planes_for_high_speed_signaling.php?rssid=20881 http://www.edn.com/blog/PowerSource/41588-Paper_looks_at_capacitance_in_power_planes_for_high_speed_signaling.php?rssid=20881 Thu, 26 Jan 2012 20:00:44 GMT Since its inception, DesignCon has been the pre-eminent conference for signal integrity and EMI issues. This year is no exception: I’m going to try to attend a paper with the intriguing title,... http://www.edn.com/blog/PowerSource/41585-Lighting_Sciences_Group_becomes_largest_producer_of_LED_bulbs_in_North_America.php?rssid=20881 http://www.edn.com/blog/PowerSource/41585-Lighting_Sciences_Group_becomes_largest_producer_of_LED_bulbs_in_North_America.php?rssid=20881 Wed, 25 Jan 2012 16:04:13 GMT I first heard of Lighting Sciences Group (LSG) back in 2007 as being the company that designed and built the LED replacement for the Times Square ball that drops on New Years Eve; I thought it was... http://www.edn.com/blog/PowerSource/41578-California_passes_new_regulations_for_battery_charging_systems.php?rssid=20881 http://www.edn.com/blog/PowerSource/41578-California_passes_new_regulations_for_battery_charging_systems.php?rssid=20881 Mon, 23 Jan 2012 21:20:49 GMT  A couple of weeks ago the California Energy Commission (CEC) released a new standard for personal electronics equipment sold in California that targets energy efficiency in battery charging... http://www.edn.com/blog/PowerSource/41574-Thrun_says_goodbye_to_Stanford_and_my_robocar_Hello_to_a_world_university.php?rssid=20881 http://www.edn.com/blog/PowerSource/41574-Thrun_says_goodbye_to_Stanford_and_my_robocar_Hello_to_a_world_university.php?rssid=20881 Mon, 23 Jan 2012 17:31:48 GMT It seems that Sebastian Thrun, Google Fellow and research professor at Stanford University, has decided to quit Stanford, giving up his tenure, to start a new online university called Udacity.... http://www.edn.com/blog/PowerSource/41570-LED_system_reliability_is_a_strong_as_the_weakest_link_February_live_presentation.php?rssid=20881 http://www.edn.com/blog/PowerSource/41570-LED_system_reliability_is_a_strong_as_the_weakest_link_February_live_presentation.php?rssid=20881 Thu, 19 Jan 2012 17:42:22 GMT Just before I posted my busted LED light yesterday, I received an email from Azmat Malik asking if I could help get the word out about a presentation by Rudi Hechfellner, Dir. of Applications,... http://www.edn.com/blog/PowerSource/41568-Qualcomm_offers_10M_for_a_real_life_tricorder_not_a_moment_too_soon.php?rssid=20881 http://www.edn.com/blog/PowerSource/41568-Qualcomm_offers_10M_for_a_real_life_tricorder_not_a_moment_too_soon.php?rssid=20881 Thu, 19 Jan 2012 17:24:14 GMT I saw on EDA360 Insider that Qualcomm is offering a $10M prize for the first non-invasive health diagnostic tool, to be called the Qualcomm Tricorder X-Prize. For those of you who are rusty on... http://www.edn.com/blog/PowerSource/41566-Here_s_one_LED_light_that_didn_t_make_it_to_50_000_hrs.php?rssid=20881 http://www.edn.com/blog/PowerSource/41566-Here_s_one_LED_light_that_didn_t_make_it_to_50_000_hrs.php?rssid=20881 Wed, 18 Jan 2012 18:53:57 GMT Almost two years ago I did my first LED teardown on a 7W LED bulb from Taiwanese manufacturer TESS.They sent me two bulbs, one in warm white and one cool. I tore down the cool white, and... http://www.edn.com/blog/PowerSource/41561-Osram_in_pilot_production_with_GaN_on_silicon_high_power_LEDs.php?rssid=20881 http://www.edn.com/blog/PowerSource/41561-Osram_in_pilot_production_with_GaN_on_silicon_high_power_LEDs.php?rssid=20881 Thu, 12 Jan 2012 19:24:51 GMT High-brightness LED prices have been dropping sharply even as their lumens/Watt has been increasing. Here’s a technology development that should serve to  drive prices even lower, albeit we... http://www.edn.com/blog/PowerSource/41547-Eltek_calls_out_Chinese_vendor_for_IP_theft_in_Chinese_courts.php?rssid=20881 http://www.edn.com/blog/PowerSource/41547-Eltek_calls_out_Chinese_vendor_for_IP_theft_in_Chinese_courts.php?rssid=20881 Mon, 09 Jan 2012 18:01:50 GMT How to protect their IP from Chinese companies is a significant problem for some non-Asian electronics companies. I have talked with some US companies that have come to tacit agreements with... http://www.edn.com/blog/PowerSource/41543-Wall_sockets_still_trying_to_drive_stake_through_the_heart_of_vampire_power.php?rssid=20881 http://www.edn.com/blog/PowerSource/41543-Wall_sockets_still_trying_to_drive_stake_through_the_heart_of_vampire_power.php?rssid=20881 Thu, 05 Jan 2012 20:27:31 GMT Back in April 2010 I posted a video of the Leech plug, which was a concept prototype of a plug that physically disconnected itself from the wall to make dang sure that absolutely no “vampire... http://www.edn.com/blog/PowerSource/41522-Guidelines_released_for_comparing_energy_efficiency_of_networking_platforms.php?rssid=20881 http://www.edn.com/blog/PowerSource/41522-Guidelines_released_for_comparing_energy_efficiency_of_networking_platforms.php?rssid=20881 Thu, 15 Dec 2011 20:18:23 GMT Climate Savers has released a series of guidelines for evaluating and comparing the energy efficiency of network devices, for both buying and designing network equipment and systems. You can... http://www.edn.com/blog/PowerSource/41519-Tiny_dc_dc_power_modules_target_rugged_industrial_avionics_environments.php?rssid=20881 http://www.edn.com/blog/PowerSource/41519-Tiny_dc_dc_power_modules_target_rugged_industrial_avionics_environments.php?rssid=20881 Wed, 14 Dec 2011 18:37:22 GMT Since researching power modules for the EDN article IC-like modules simplify system dc/dc-power design last July I developed a healthy respect for this product niche. Yes, they’re more expensive... http://www.edn.com/blog/PowerSource/41517-Easy_hack_to_water_Christmas_tree_no_electronics_just_a_vacuum_cleaner_.php?rssid=20881 http://www.edn.com/blog/PowerSource/41517-Easy_hack_to_water_Christmas_tree_no_electronics_just_a_vacuum_cleaner_.php?rssid=20881 Wed, 14 Dec 2011 00:50:09 GMT Each year I am amazed at how much water the cut Christmas tree requires – it’s 1-1 ½ quarters on a daily basis. And because watering the tree is a major inconvenience, it often doesn’t get... http://www.edn.com/blog/PowerSource/41505-_Tis_the_gadget_season_Arduinos_battery_back_ups_IR_guns_more_.php?rssid=20881 http://www.edn.com/blog/PowerSource/41505-_Tis_the_gadget_season_Arduinos_battery_back_ups_IR_guns_more_.php?rssid=20881 Thu, 08 Dec 2011 19:47:04 GMT EDN is putting together a list of our favorite gadgets for a sort of “Greatest Gadgets” list on EDN. Here’s my list, along with longer explanations of why:Livescribe Pulse smartpen- I also... http://www.edn.com/blog/PowerSource/41485-LED_wreath_incorporates_daylight_harvesting.php?rssid=20881 http://www.edn.com/blog/PowerSource/41485-LED_wreath_incorporates_daylight_harvesting.php?rssid=20881 Thu, 01 Dec 2011 02:43:55 GMT Today’s blog post is about how to make a solar-powered Christmas wreath from common household items you have lying around. If you happen to have a store-bought Christmas ornament wreath and a... http://www.edn.com/blog/PowerSource/41479-Toshiba_s_Eco_Chip_enables_LCD_TV_s_0W_standby_mode.php?rssid=20881 http://www.edn.com/blog/PowerSource/41479-Toshiba_s_Eco_Chip_enables_LCD_TV_s_0W_standby_mode.php?rssid=20881 Mon, 28 Nov 2011 22:39:47 GMT Standby power can be a deal-killer for some applications. As Paul Wilson of NXP argues in the article, Intelligent lighting holds promise for efficient lighting networks,  a half-Watt of standby... http://www.edn.com/blog/PowerSource/41465-Made_in_the_USA_High_quality_lithium_carbonate_for_auto_batteries.php?rssid=20881 http://www.edn.com/blog/PowerSource/41465-Made_in_the_USA_High_quality_lithium_carbonate_for_auto_batteries.php?rssid=20881 Fri, 18 Nov 2011 22:39:11 GMT The Salton Sea, an artifact of the Colorado River overflowing its banks in 1905, is at its surface 226 feet below sea level. It’s a catch-all for any water that makes it into what is essentially... http://www.edn.com/blog/PowerSource/41458-My_new_Kindle_Fire_is_a_non_fiction_e_book_enabler.php?rssid=20881 http://www.edn.com/blog/PowerSource/41458-My_new_Kindle_Fire_is_a_non_fiction_e_book_enabler.php?rssid=20881 Thu, 17 Nov 2011 04:40:29 GMT I like e-books. Even before I had a Kindle I read books on my laptop: I occasionally need a Victorian novel fix, but I don’t want a shelf full of them. How convenient to be able to download,... http://www.edn.com/blog/PowerSource/41452-Wireless_powered_telemetry_monitors_dragonflies_at_the_neuron_level.php?rssid=20881 http://www.edn.com/blog/PowerSource/41452-Wireless_powered_telemetry_monitors_dragonflies_at_the_neuron_level.php?rssid=20881 Sat, 12 Nov 2011 00:51:24 GMT Dragonflies combine delicate horizontal and vertical maneuvering to capture their prey in mid-flight, intriguing scientists at the Howard Hughes Medical Institute (HHMI), who want to better...