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March 1, 2011, Beijing News - Cree, a market leader in LED lighting, announced the launch of a new lighting-class LED that can meet the needs of high-output, small-sized directional lighting applic...[Details]
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At present, many manufacturers have changed the concept when promoting their products. They call it LED display when it is LED backlight display. In fact, LED display and current LED backlight disp...[Details]
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A Case Study of PCB Design Errors It was late at night and I had just received a board for a customer. When I tried to program the device, I was startled by a warning. The warning indicated that t...[Details]
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To design a product, we must first determine whose LED package structure to use; then consider how to adapt to these packages; We have few opportunities to choose, and the optical structure is buil...[Details]
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The technical architecture of three-chip LCD (3LCD) adopts a very small high-penetration high-temperature polysilicon (HTPS) LCD display panel. Each HTPS is composed of many pixels. For example, a ...[Details]
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Circuit design includes two specific work areas: schematic diagram and circuit board diagram. These two areas are highly unified and have obvious differences. It can be done by one professional eng...[Details]
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introduction
In the ATCA architecture, each Carrier Blade device includes up to 8 AMC modules, and these modules need hot-swap protection. The carrier board provides two main power supplies for...[Details]
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Online automatic detection items for refrigerators and their components include:
(1) Refrigeration characteristic curves of freezer and refrigerator compartments;
(2) Pipeline characteristic para...[Details]
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LED application products, especially semiconductor lighting products, have an increasing demand for high-power LEDs, and at the same time, the quality requirements for LEDs are also getting higher and...[Details]
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Since the advent of AC electronic ballasts for fluorescent lamps in the early 1980s, almost all of them have adopted a half-bridge DC-AC inverter topology, as shown in Figure 1. Among them, the ind...[Details]
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1 Introduction
With the rapid development of power electronics technology, thyristor soft start devices have emerged. The start-stop technology of three-phase asynchronous motor...[Details]
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1 Introduction TQ6124 is a high-speed and high-precision digital-to-analog converter chip. It has 14 data bits and uses a segmented structure to divide the data bits into the highest 4 bits, the mi...[Details]
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1 X0
and
Hex
file formats
X0 and Hex files are ASCII (American Standard Code for Information Interchange) text files consisting of lines of text that conform to the corre...[Details]
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The electromagnetic interference generated by the switching power supply often affects the normal operation of electronic products, so the correct PCB layout of the switching power supply becomes v...[Details]
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This article discusses methods for providing light emitting diode ( LED ) dimming, analyzes the effect of LED dimming on its long-term performance and the color stability of the emitted light, and sp...[Details]
RF/Wirelessly
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