Method for designing preamplifier based on 6n2 Assembling a bile preamp is really the first choice for friends of DIY tube machine. 1. The design points of the tube preamplifier The tube is an amplifier device with high input impedance, high working voltage and easy aging. I ---MORE---
How to place the speakers How much does the speaker placement account for in the audio? If you ask me this way, my answer is: to make the sound sound, space conditions, equipment matching, speaker placement, and user fine-tuning Never. Among them, the speaker placement is a m ---MORE---
NEC pushes new mobile phone chip to support 1080p video shooting According to foreign media reports, NEC Electronics recently released a camera chip CE151 for mobile phones. This chip has 13 million pixels of still photos and 1920 × 1080 pixels high-definition video image ---MORE---
China Putian says 3G is more suitable for wireless city construction According to relevant statistics, in 2007, there were more than 1,000 "wireless cities" under construction and planning in the world. Overseas agencies predicted that by 2010, the number of global ---MORE---
Regus opens 2,500 video communication meeting rooms and equipment, and builds the world's largest public video communication network. Global business and environmental challenges drive video communication needs LONDON, January 20, 2010 / PRNewswire Asia /-Regus, the world ---MORE---
Regus opens 2,500 video communication meeting rooms and equipment, and builds the world's largest public video communication network. Global business and environmental challenges drive video communication needs LONDON, January 20, 2010 / PRNewswire Asia /-Regus, the world ---MORE---
How to distinguish the quality of the video cable Central issues: Visual appearance identification of the video cable Visual performance identification of the video line: 1. PVC sheath: The surface can see the regular "unevenness" of the braided mesh inside, indic ---MORE---