Abstract: A novel L-band low phase noise, agile frequency synthesizer is introduced. The frequency synthesizer designed in this scheme is a synthesizer with preset frequency. In the scheme, two phase-...
Hardware experts in the group, I want to ask if you have a sense of age crisis. Have you ever encountered situations where you are told that you are too old and the company doesn't want you?...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] 1. Description of product and EMC problem
2. Problem Analysis
According to the spectrum diagram, it can be seen that there are b...
[i=s]This post was last edited by dcexpert on 2015-2-3 14:59[/i] Yesterday I attended the Cypress BLE workshop and gained a lot. In addition to learning about the new information of Cypress, I also tr...
13 SX_GPIO_Demo_Cs Error 6 The name 'getDir' does not exist in the current context D:\My Documents\Visual Studio 2005\Projects\SX_GPIO_Demo_Cs\SX_GPIO_Demo_Cs\Form1.cs 57 13 SX_GPIO_Demo_Cs Error 7 Th...
1. Introduction to BLE Through the study of "CC2540 BLE Software Developer Guider V1.2.pdf" in the past two days, I have a general understanding of CC2540 and Bluetooth 4.0: 1. Bluetooth 4.0 protocol:...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Test/Measurement
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