[p=25, null, left][color=rgb(25, 25, 25)][font="]Successful RF design must pay careful attention to every step and every detail in the entire design process, which means that thorough and careful plan...
57. What is the requirement for phase noise at 1k offset , 10kHz offset, and 100kHzoffset for GSM handset?A: For GSM handset RX it has several architectures to implement:Superheterodyne,near zero-IF,z...
(Note: Kaustubh Gadgil and Robert Schreiber co-authored this technical article.)
As systems get smaller, every square millimeter of printed circuit board (PCB) area counts. At the same time, as the de...
After a month, during the May Day holiday, I came back and picked up RVB2601 again. This time I mainly referred to sipower's post and quickly connected it to Alibaba Cloud.
1. The first step is to reg...
Our company is going to make washing machines, and the DC brushless motors do not have Hall.I haven't tried it before. I bought a motor development board and the dead zone in the program is 1.84us.
Th...
China Energy Storage Network News:
From April 24 to 26, 2017, the 7th China International Energy Storage Conference was successfully held at the Shangri-La Hotel in Suzhou. More than 1,400 gu...[Details]
On September 19, 2017, the " Intel Advanced Manufacturing Day" event was held in Beijing. The event brought together the most authoritative experts in Intel's process and manufacturing, including S...[Details]
According to foreign media reports, scientists from the Nanobio Laboratory (NBL) of the Agency for Science, Technology and Research (A*STAR) of Singapore have developed a novel method to prepare the ...[Details]
Preface
Due to the emergence of production automation and various automatic control and sequence control equipment, motors are required to run in various modes such as frequent starting, braking...[Details]
This article introduces a new type of LCD display system for displaying measurement results in the power grid quality detection system. It is mainly composed of PIC18F458 and LCD display module MGLS1...[Details]
Recently, GEM responded to investors on the investor interaction platform, revealing that GEM's NCMA quaternary precursor products are undergoing customer ton certification and have begun mass produc...[Details]
Frequency synthesis technology is an important part of modern communication. It converts a high-stability and high-accuracy reference frequency into an arbitrary frequency with the same stability and ...[Details]
There are many kinds of current probes on the market, which are widely used. The basic principle is that the current flowing through the wire will generate a magnetic field around it. The current ...[Details]
As an electronic engineer, you will basically come into contact with many types of ICs in your daily work, such as logic chips, memory chips, MCUs or FPGAs, etc. You may know more about the functiona...[Details]
The servo first appeared in model airplane sports. It is the power source for remote control models to control movements. Friends who have played with remote control models know what a servo ...[Details]
The PIC18F97J60 microcontroller produced by Microchip integrates the PIC18 series of high-end 8-bit microcontrollers with a complete Ethernet controller, and includes MAC, PHY and RAM transceiver b...[Details]
Contents The invention relates to a flow meter, in particular to a thermal gas mass flow meter. Background of the Invention As a complex technology, flow measurement has been applied in various occ...[Details]
3 Circuit Simulation Analysis
3.1 LM7815 voltage regulator module simulation
Figure 7 shows the simulation results of the three-terminal voltage regulator integrated circuit LM7815. C1 and C2...[Details]
Faced with a fiercely competitive market, the instrumentation industry has also exposed many problems in the process of development, such as poor innovation capabilities, competition between Chinese ...[Details]
RF/Wirelessly
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