AWCU00201212121Y03

Clamp Meter Principle Clamp ammeters can generally be divided into two types: magnetoelectric and electromagnetic. The magnetoelectric type is used to measure industrial ...[Details]

In the early 1990s, “portable” telephones (sometimes called “bag phones”) about the size of a modern laptop computer came into widespread use. Less than two decades later, pocket-sized cellular phones...[Details]

Development of tonnage measuring instrument for forging equipment This paper introduces the function and working principle of a measuring instrument used for forging machinery p...[Details]

This paper introduces a digital storage oscilloscope designed and implemented based on the embedded uCLinux operating system and using Samsung S3C 44BOX CPU. Multi-task program operation is imple...[Details]

H.264 is one of the most important international standards for data compression coding. Fast motion estimation algorithms have always been a hot topic in video compression. In this pape...[Details]

How to distinguish the phase sequence of stepper motor windings When some stepper motors do not indicate the winding phase sequence of the lead wires, you can use a multimeter and a...[Details]

【Abstract】 This paper introduces the hardware composition and software design and implementation of the electric bicycle controller tester based on AT89C2051 single-chip microcomputer. Keywor...[Details]

First of all, as a beginner, you need to understand the basic process of IC design. You should do the following: Basically understand the process of system, front-end and back-end design and v...[Details]

In the circuit of transistor or integrated power control, a diode is often connected in parallel at both ends of the relay coil, as shown in the figure. This is because when the current through th...[Details]

Research on the realization method of database establishment and management function in LabVIEW This paper proposes a method to use the ActiveX function in LabVIEW to call Microsoft AD...[Details]

Application of online tester in circuit board maintenance This paper introduces a new maintenance tool - online tester, and focuses on the functions and characteristics of the tester a...[Details]

Electrolytic capacitors leak over time. The circuit in Figure 1 can be used to test capacitors to determine if they are worth using. The CREF/RREF ratio sets the limit on leakage. The values ​​sh...[Details]

The focal meter studied in this paper is an automatic focal meter based on the projection principle. However, unlike similar domestic products, the automatic focal meter studied in this paper adopts a...[Details]

Principle and structure of laser head Since the advent of the 12cm diameter digital audio CD in 1982, the digital video DVD (digital video disk) has been a dream of the new generation...[Details]

Using MAX5026 to implement a programmable APD bias circuit Avalanche photodiodes (APDs) are often used as PIN diodes in optical communication receivers. APDs have high sensitivity, but they re...[Details]