The first local standard for LED street lamps in China will be implemented in Guangdong on July 1. The LED street lamp industry in the Pearl River Delta will have rules to follow. Recently, the Guangdong Provincial Bureau of Quality and Technical Supervision approved the “Guangdong Province
Title: Agricultural Bank of China, Jiangsu Branch, under the jurisdiction of a new level of LOGO house logo (including LE Tender No.: Announcement Date: June 17, 2009 Deadline: July 1, 2009 Tendering Agency: Agricultural Bank of China, Jiangsu Branch Provinces and cities: Jiangsu Province-Nanjing C
Tender number:- Tendering agent: Xiakou Town Bidding Center Owner:- Registration deadline: 2009-07-13 Area: Zhejiang Industry: Electrical and Electronic Equipment The lighting and installation of Xiakou Town's downhill poverty-stricken community (Phase I), with the approval of the town part
Abstract: At present, the accuracy of constant current sources commonly used in LED lighting engineering is relatively poor and cannot be adjusted. A tunable optical drive made by using a VMOS tube not only effectively overcomes the disadvantages of using a npn transistor as a constant current sour
Maoda has been working on mobile phone backlighting, compact laptop backlighting, indoor lighting and outdoor lighting for many years. In response to market trends, Maoda Electronics has introduced a white LED controller solution that is small in size and low in heat generation, making it suitable
Abstract: This application note discusses Maxim ’s third-generation Class D audio power amplifier technology, which enables “filterless†work in consumer electronics. Specifically, this article explains Maxim's new generation of patent-pending active radi
On June 19th, Lelei Optoelectronics (Shanghai) Co., Ltd. exhibited its streamlined LED floodlight F2012A series at the 2009 Guangya Exhibition. The floodlight uses a patented waterproof and ventilated screw plug to insulate the wick from the water. The professional design uses special protective co
Model NO.: GL-HB-515-150W H Certification: CE, EMC, LVD, RoHS Beam Angle: 120d 90d 60d 45D
Title: LED Electronic Screen and Conference Room Sound System Government Procurement Notice Tender No.: ZWCGZX-200964 Announcement Date: June 25, 2009 Deadline: June 29, 2009 Tendering Agency: Nanhuashan Vocational Secondary School : Ningxia Hui Autonomous Region... Content: According to the releva
The AS1115 can independently drive up to 64 LEDs with 16-key readback and detailed error diagnostics, making it the perfect single-chip user interface solution. China - Austrian microelectronics, the world's leading designer and manufacturer of analog integrated circuits for the communications
Abstract: The power dissipated by an audio amplifier is mainly limited by its package form and external heat dissipation conditions (PCB copper foil or metal heat sink). However, more efficient amplifiers, such as Class D amplifiers, need to dissipate much less power than trad
The government-subsidized 1 yuan energy-saving lamp is being promoted in 4 central urban areas of Beijing. Yesterday, in the Longtan Lake community of Chongwen District, the owner, Ms. Zhang Ling, purchased 5 energy-saving lamps with a hukou and 3.5 yuan. In the early morning, she replaced all 8 bu