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      Last year, there was news that Huawei will release the new Mate 50 series flagship mobile phone in early 2022. The Mate 50 will use some Kirin chips and some Qualcomm 8 Gen 1 chips, but there w...[Details]

Sunking Technology officially launched the 1700V IGBT chip module, whose performance has reached or even exceeded that of similar products from international leaders. The chip can be used in wind p...[Details]

　　Through fault analysis of damaged current probes, it was found that the easily damaged probe parts are roughly as follows: 　　1. The cable is broken; 　　2. The circuit board connected to the current ...[Details]

　　New PIC18 Bootloader 　　PhsBoot_v3.0 is my latest PIC bootloader implemented in C language, using serial communication, suitable for PIC18, and I wrote a PC communication program PhsLoader_v3.0 fo...[Details]

Preface This chapter uses the current-frequency ratio I/F control method to drive the rotation of the permanent magnet synchronous motor. First, the control principle of the current-frequency ...[Details]

1 PCI interface design principle 1.1 Introduction to PCI Bus Protocol Here we only discuss the PCI bus 2.0 protocol. Other protocols are just some extensions based on 2.0. As far as the c...[Details]

Abstract: Battery is the main means of power storage in the power supply system of communication base stations. This paper focuses on the engineering application of battery in the power sup...[Details]

Recently, the final list of winners of the 2019 "IoT Star" China IoT Industry Annual Selection was officially released. As an annual selection event that has attracted much attention in the IoT field...[Details]

Contents The invention relates to the field of ultrasonic flow meter measurement, and in particular to an accurate measurement method of an ultrasonic flow meter using a time difference method. Bac...[Details]

0 Introduction OTL circuit, namely output transformer-less (Output Transformer Less) is the focus of low-frequency power amplifier circuit. It has many similarities with OCL circuit with bet...[Details]

Last month, Xiaomi's sub-brand Redmi launched a TV product, and Huawei's sub-brand Honor also launched a TV product (euphemistically called a smart screen). So which of the two TV products from Honor...[Details]

On April 28, TSMC announced at the North American Technology Seminar that it is developing the next version of CoWoS packaging technology, which can more than double the size of the system-level pa...[Details]

Since the rainbow tube is covered with a layer of PVC plastic, it has a good protection effect on the internal light-emitting components, so the general waterproof problem is better. It should be n...[Details]

There are two common types of connectors used in electrometer, picoammeter, and SMU measurements. The BNC connector shown in Figure 2-55 is a coaxial connector. It consists of a center conductor and a...[Details]

A soft starter is a device used for starting and running control of motors. It controls the starting current and voltage of the motor to achieve smooth starting and soft stopping of the motor, redu...[Details]