Lite-On began producing LED lamps in 1975; the company has steadily grown to become one of the world's largest manufacturers of optoelectronics products by providing customers with visible and infrared product solutions. High-volume production of commercial and application-specific products, as well as strong R&D and vertical integration capabilities have proven to be key and differentiating factors in Lite-On's success.
The circuit is as follows:Q1 is a PNP transistor. I don't know why LED1 lights up when charging . When not charging, LED1 doesn't light up . LED1 also has a circuit when not charging. I don't know why...
I connected the data line after AD conversion to D0---D11 of 2407, but the ADDR on 2407 is not connected. How can I read the data on D0---D11? Now when I access the external address (0x8000) in the pr...
I have to complain about the interface of open1081. I recently found that any double-row socket will always bring endless low-level errors. For example, this time I inserted the SD card into SPI2. Bec...
[i=s]This post was last edited by damiaa on 2019-1-3 16:08[/i] [font=Microsoft Yahei, Hei, Tahoma, SimHei, sans-serif][b]【NXP Rapid IoT Evaluation】Rapid IoT Studio Display and Touch Application[/b][/f...
On September 18, 2025, the Synopsys Developer Conference was officially held in Shanghai, coinciding with the 30th anniversary of Synopsys' development in China.
That day, Synopsys Senio...[Details]
Abstract: A HDLC protocol control system based on FPGA is designed. The system can effectively utilize the hardware resources in the FPGA chip, does not require peripheral circuits, is highly integrat...[Details]
Abstract: This paper introduces the working principle, design concept, circuit structure and improvement and optimization methods of direct digital frequency synthesizer using Altera's FPGA device (AC...[Details]
Abstract: T=0 is a contact CPU card communication protocol specified in the international standard. Combined with development practice, the protocol is divided into four levels. Starting from the pers...[Details]
Abstract: The IR2133/IR2135/IR2233/IR2235 series driver chips integrate three independent half-bridge driver circuits, have multiple protection circuits, and can directly drive power semi...[Details]
Motorola's MRFIC1856 is designed for dual-band user equipment applications in the 3.6V cellular (800MHz) and PCS (1900MHz) bands. This device contains two pHEMT GaAs amplifier chains in one package...[Details]
introduction
The Schmitt trigger is usually composed of a comparator plus a positive feedback resistor, or made into a special integrated circuit. It is mainly used for signal waveform sha...[Details]
In the design of PCB, the anti-ESD design of PCB can be realized through layering, proper layout and installation. By adjusting the PCB layout and wiring, ESD can be well prevented. * Use multi-la...[Details]
Abstract: This paper proposes a bit error test scheme based on FPGA, and briefly introduces the design idea of the scheme. Keywords: Bit error meter Digital microwave transmission ACEX1K series FPGA...[Details]
Abstract: The efficient implementation of multiplication, the key to implementing FIR filters in FPGA, is studied. A DA algorithm that converts multiplication into a table lookup is given, and an FIR ...[Details]
Abstract: This paper introduces the method and circuit design of controlling three-phase six-beat stepper motor by using array logic device GAL16V8. GAL can be programmed by computer programmer to mee...[Details]
introduction
In the past, system design was to design circuits such as CPU, DSP, PLL, ADC, DAC or Memory into ICs and then combine them into a complete system. However, the current design meth...[Details]
Abstract:
CPLD programmable technology has the characteristics of high functional integration, flexible design, short development cycle and low cost. This paper introduces the serial-to-...[Details]
Nowadays, it is difficult to successfully design high-speed electronic systems without a thorough understanding of the power supply system characteristics of chips, packaging structures and PCBs. I...[Details]
TSMC's wafer factory in South Taiwan Science Park was affected by the earthquake and its equipment was displaced and wafers were damaged. After emergency repairs, the supply chain reported that TSM...[Details]
Analog electronics
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