Application circuit diagram of D2611 sound low-level in…
D2611 is a single-row low-frequency amplifier circuit. When DC 16V power supply is applied (the speaker impedance is 8 ohms), the undistorted power of the audio output can reach 1.5 watts. The input impedance is up to 45K~2M. Practical examples are shown in the figure. This article refers to the ---MORE---
Nanning signed the 60 million yuan LED project at the A…
At the recent China-ASEAN Expo 2010, Nanning High-tech Zone signed 12 major projects, including investment in LED products of RMB 60 million. The 60 million yuan LED product production project specifically includes: Shenzhen Zhengyao Technology Co., Ltd. invested 50 million yuan to build a high-po ---MORE---
Digitization and intelligence and networking of inducti…
The electrodeless lamp product has experienced a hundred years of development since its birth, but so far, the technology used in the market for the electrodeless lamp is not much different from the power technology at the beginning of the birth, since the 1990s. With the rise of ---MORE---
Ten West Lake cruise ships will light and dance with th…
Take a cruise and taste the West Lake. At 6:30 in the evening, the reporter followed the staff at the lighting center to sit on the big paintings and passed the addiction. A boat trip to the lakeside pavilion, there is a row of cruise ships in front, the hull is surrounded by light, the stars are ---MORE---
National low-carbon city selection Shenzhen and Chengdu…
The Municipal Development and Reform Commission revealed yesterday that in the “Low Carbon City†selection of the first annual meeting of the Low Carbon China Forum held recently, Shenzhen stood out and won the “Low Carbon China Contribution City†and “The Most Competi ---MORE---
The difference between lead-free solder and lead solder
The difference between lead-free solder and lead solder Lead-free solder contains no lead and has a higher melting point than conventional (63% tin + 37% lead) solder. Common lead-free solder: · Sn-Ag (tin + silver, 96-98% tin) · Sn-Cu (tin + copper, 96% tin) · S ---MORE---
Liu Weimin: The best energy is energy-saving energy
The light of Haoyu is one of the early companies involved in LED lighting in China. In 2005, it began to produce LED street lamps. The company is one of the 29 companies selected for the “Ten Cities and Ten Thousand Cities†test in Shenzhen. Gaogong LED reporter visited the company, and ---MORE---