After a few days of contact with CC2540, I finally have a preliminary understanding. The notes are organized as follows. They are just superficial. If there are any mistakes, please correct me. There ...
Due to the economic environment, it is no exaggeration to say that the living conditions of Chinese engineers in the mental labor group are very similar to those of underground miners in the physical ...
I made a 802 driver
Frequency at 115KHZ
With 19 series and 9 parallels, a total of 171 ordinary white LEDs
Iled=60.8V
L=7.6mH (measured)
MOS tube is 5N60 (actual working temperature is 94℃)
The proble...
The write counter can only increase to 1. I don't know why the second data cannot be written in. The code is as follows: case(wr_cnt) 5'd0: begin wr_cnt <= wr_cnt + 5'd1; c3_p0_wr_en <= 1'b0; c3_p0_wr...
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
Fairchild Semiconductor provides the industry's smallest power management solution FAN5902 for 3G mobile phone and wireless data card designers. This RF power DC-DC converter uses a 12-bump 0.5mm p...[Details]
0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so t...[Details]
1 Introduction
Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]
Today, a new systematic maintenance approach can measure, locate and repair problems in rail and tram tracks in a timely manner. Combining mature railway engineering techniques with advanced techno...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
1. Introduction
In recent years, with the rapid development of microwave and millimeter wave technology, higher requirements have been put forward for broadband microwave and millimeter ...[Details]
Part 1 Current status of electricity metering in various places
Current status of electricity metering
a) Power companies still mainly use mechanical energy meters and low-cost e...[Details]
RF/Wirelessly
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