福源币手机端下载 - 币搜:2021-4-28 · 谢谢科学上网。。 OK用客户端 APP可伃用的 风声太大听不 发表于 2021-3-20 09:54科学上网。。 OK用客户端有没有好用的工具 分享一下 风声太大听不 发表于 2021-3-20 09:54科学上网。。 OK用客户端客户端我前段给卸载了现在再想下载不知

Ian Poole

Electronics Notes, now incorporating Radio-Electronics.com provides radio & electronics tutorials and notes covering basic electronics concepts, components, radio technology, constructional techniques, ham radio, & electronics history…
Electronics Notes is written and run by Ian Poole


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There is more to oscilloscope probe compensation than appears at first sight - even at low frequencies it can have a major effect.
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Find out all about soldering technology: what solder is, how soldering is undertaken in manufacturing organisations as well as small scale manual soldering, tools for soldering, etc.
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  • Op Amp Non-Inverting Amplifier
  • Crystal Radios of the 1920s & 1930s
  • Buying an Oscilloscope: key parameters & specifications

 


 


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Buying Guides

  • When looking to buy electronic gadgets, equipment, or even components, it helps to know what to look for. Check out our informed buying guides to make sure you buy the right item.
    • Digital Multimeter, DMM
    • Resistors
    • Selecting replacement transistors
    • Capacitors
    • Soldering irons
    • TV antenna
    • TV antenna cable
    • Microphones
    • Microphones for video
    • Loudspeaker cable
    • Headphones & earphones
    • Cordless phone
    • Licence free radios PMR446, FRS, etc
    • Wi-Fi routers
    • Wi-Fi repeaters, boosters & extenders
    • Memory cards
    • Ethernet cables
    • 科学上上网工具下载
    • Smart speakers
    • Bluetooth speakers
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    • In-car USB chargers

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  • Test equipment and test methods are essential for electronics design. Read our tutorials and learn
    All aspects electronics testing, test methods, and test equipment including oscilloscopes, test meters, spectrum analyzers and all forms of test equipment.
    • Testing & Test Equipment Overview
    • Dip meter, GDO
    • Frequency counter
    • LCR meter / bridge
    • 科学上上网工具下载
    • Logic probe
    • Multimeters: digital & analogue
    • Oscilloscope
    • Power analyzer
    • 科学上上网工具下载
    • RF vector network analyzer
    • Signal generators
    • Signature analyzer
    • 科技上网工具app下载
    • Time domain reflectometer, TDR
    • Boundary Scan / JTAG
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    • VXI & VXIbus
    • GPIB / IEEE 488 bus
    • Automated test, ATE

Connectivity

  • Connectivity both wired and wireless is an essential part of life today. Broadband, Wi-Fi, Bluetooth, mobile communications and many more forms of communication are all widely used.
    • Connectivity
    • 电脑科学上网工具介绍 PC电脑免费企理上网方法介绍 ...:2021-3-26 · 电脑科学上网工具介绍 PC电脑免费企理上网方法介绍 admin 发布于 2021-09-18 分类：网络技术 评论(0) 现在这个社会生存还真困难，上个网也要被监视、审查，我就想说：世界那么大，我想出去看看！ 下面我收集了一些电脑上用的科学上网软伀，都是 ...
    • What is 3GPP?
    • 2G GSM
    • 用电脑科学免费上网
    • 4G LTE
    • 5G technology
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    • RFID
    • NFC: near field communication
    • Bluetooth
    • DECT
    • Zigbee
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    • The Cloud
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    • Serial data standards
    • VoIP

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  • See our on-line tutorials on various electronic components
    Electronics Notes provides tutorials and information on many electronic components found in electronic circuits ranging from resistors and capacitors through simple semiconductors to complete integrated circuits. Introductions to in-depth information.
    • 科技上网工具app下载
    • Bipolar transistor
    • Capacitors
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    • Diodes
    • FET Field Effect Transistor
    • Inductors
    • Memory technologies
    • Quartz crystals, xtals
    • Phototransistor
    • Photoresistor / LDR
    • Relays
    • Resistors
    • RF connectors
    • 用电脑科学免费上网
    • Thyristor / SCR
    • Triac

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  • Learn about the main concepts of antennas, transmission lines and propagation through our tutorials
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    • Electromagnetic waves
    • Radio propagation basics
    • Ionospheric propagation
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    • Meteor scatter
    • Tropospheric propagation
    • Solar effects on propagation
    • Auroral backscatter propagation
    • RF feeder types
    • Coax cable
    • Balanced feeder
    • 用电脑科学免费上网
    • VSWR
    • Basic antenna theory
    • Cubical quad antenna
    • Dipole antenna
    • Discone
    • Ferrite rod antenna
    • 科技上网工具app下载
    • Log periodic antenna
    • Parabolic antenna
    • Vertical antennas
    • Yagi antenna
    • Antenna grounding
    • 科技上网工具下载安装

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  • Join the maker revolution and learn how to construct electronic circuits and equipment
    Whether at home or for a large manufacturing organisation with PCB assembly, etc, one of the key challenges is in building or manufacturing the electronic circuits.
    • Constructional techniques overview
    • Soldering & its techniques
    • Soldering SMDs
    • 用电脑科学免费上网
    • PCB manufacture
    • How to make twisted pair wire
    • How to drill a painted case
    • Using sleeves to insulate exposed terminals
    • Easy ways to make wiring looms
    • Straightening kinked connecting wire
    • ESD basics

Basic concepts

  • Learn about the basic electrical and electronic concepts with our on-line tutorials
    Learn about the basic electronics concepts including voltage, current, resistance and many basic calculations.
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    • What is electric current
    • What is resistance
    • Ohm's Law
    • Resistivity
    • Capacitance
    • Inductance
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    • Basics of electrical power
    • Basics of voltage
    • Q, quality factor
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  • Learn about radio technology through our tutorials
    Radio technology is being used increasingly within everyday life. From broadcast radio and cellular phones to Wi-Fi and other wireless technologies it is widely used. Find out all you need to learn about radio and radio circuits on Electronics Notes.
    • 上网科学工具app下载
    • Modulation types & techniques
    • Multicarrier modulation
    • OFDM
    • CDMA
    • RF mixing / multiplications
    • Phase locked loop, PLL
    • RF filters
    • Frequency synthesizers
    • RF attenuators
    • Splitters combiners, couplers & hybrids
    • 科技上网工具下载安装
    • Doherty amplifier
    • Radio receivers
    • Superheterodyne radio receiver

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  • Circuits and circuit design techniques for everthing from bipolar transistors and FETs to operational amplifiers, power supplies and much more.
    • Circuits menu
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    • Transistor circuit design
    • Transistor circuits
    • Darlington pair circuit configuration
    • FET circuit design
    • Transistor crystal oscillator
    • Thyristor circuit design
    • Diode rectifiers
    • What is an Op-Amp?
    • Op amp circuits
    • Power supply electronics
    • EMC & EMI
    • PCB design
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Ham radio

  • Learn about amateur radio or ham radio on Electronics Notes
    Electronics Notes provides the tutorials and the basic information you need to know to get started and learn about the fascinating hobby of amateur radio from operating, Morse code and DXing through to summaries of the ham radio allocations.
    • Ham radio
    • What is ham radio
    • How to set a ham radio shack
    • Ham radio call signs
    • Ham bands overview
    • Propagation & operating techniques
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    • Amateur radio repeaters
    • Ham radio contesting
    • QRP operation
    • Morse code
    • Voice modes
    • Digital / data modes

Audio Visual

  • Learn about the key audio and video concepts, standards and interfaces
    This section of Electronics Notes gives descriptions, summaries and tutorials about AV, Audio Visual topics from television to Hi-Fi and systems and from the interface standards like SCART, HDMI and the like to descriptions of loudspeakers, etc..
    • Audio Visual overview
    • Loudspeakers
    • Headphones & earphones
    • Microphones
    • VHF FM
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    • RDS: Radio Data System
    • DRM: Digital Radio Mondiale
    • DVB - television
    • What is HDMI
    • SCART

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  • Career and job information for those interested in becoming an electronics engineer. Everything from what an electronics engineer may do, through to applying for a job, writing a CV and much more.
    • 上网科学工具app下载
    • 用电脑科学免费上网
    • How to prepare a CV
    • Planning you career
    • What is electronic engineering?

Technology History

  • The history of how the technolgy we know came about can be very interesting and instructive. Eveything from the very basic concepts of electronics from Ohm's Law and current through the telegraph, radios, & telecommunications, to current day mobile phone technology.
    • Technology History
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    • Crystal radio sets
    • Superhet radio history
    • Mobile phone history
    • Amateur radio history
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    • Charles Babbage
    • Ambrose Fleming
    • Ada Lovelace
    • Nikola Tesla
    • Guglielmo Marconi
    • Reginald Fessenden

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The magnetic detector, often called Marconi's Magnetic Detector, was widely used in early wireless systems where it was far more sensitive and robust than the coherer. It performed well on ships, and was used for Marconi's first Transatlantic transmission.
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