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Basic Antenna Theory

Basic Antenna Theory Antenna theory is a large subject, so this page just highlights some basic antenna topics which are relevant to circuits used on my site. An antenna, in its simplest form, is just a length of wire. Its function being to convert electromagnetic energy into volta

Posted on:04-01 View:2037
How Do FM Radiowaves Work?

How Do FM Radiowaves Work? The Basics of Radio In order to understand the particulars of FM radio, we must start with the basic science behind radio technology. Radio waves are capable of transmitting more than just sound. They are the basis for all modern wireless technology,

Posted on:03-31 View:505
72-hour Transit Visa Exemption Policy

72 hours Visa Free Stay Policy in GuangZhou From August 2nd,2013, Guangzhou begins allowing foreign transit passengers 72-hour visa-free stays. You can apply for 72hour free visa stay in GuangZhou if you meet the following requirements: (1) Citizens

Posted on:03-31 View:594
Murata delivers RFID devices with I2C interface

Murata delivers RFID devices with I2C interface Murata has commenced mass production of the LXMS2HACNF-165 RFID device that features a wired I2C interface. Conforming to the RFID standards ISO/IEC 18000-6C, EPC global C1G2 and operating in the 900 MHz frequency band, this device

Posted on:03-28 View:459
RF combiner, splitter / divider basics

RF combiner, splitter / divider basics - overview and introduction to the basic concepts of RF combiners and RF splitters RF combiners and splitters are widely used in RF applications. The enable RF power to be split or combined within an environment where the characteristic impedan

Posted on:03-27 View:3367
Columbia engineers make world's smallest FM radio transmitter

Columbia engineers make world's smallest FM radio transmitter A team of Columbia Univ. engineering researchers, led by Mechanical Engineering Professor James Hone and Electrical Engineering Professor Kenneth Shepard, has taken advantage of graphene's special properties—its m

Posted on:03-27 View:499
Wilkinson Power Divider Splitter Combiner

Wilkinson Power Divider Splitter Combiner - overview and essentials of the Wilkinson divider splitter combiner - how it works, design criteria, and formulae. The Wilkinson divider splitter / Wilkinson combiner is a form of power splitter / power combiner that is often used in mi

Posted on:03-26 View:9945
RF directional coupler basics tutorial

RF directional coupler basics tutorial - overview, information and tutorial about the basics of the directional coupler and basic directional coupler design RF directional couplers are often used in RF design applications. Directional couplers are RF passive devices used to couple a

Posted on:03-26 View:6109
RF Hybrid Combiner, Splitter and Divider

RF Hybrid Combiner, Splitter and Divider - overview and introduction to RF hybrid combiner / splitter / divider detailing circuits and other essential details. Although RF power combiners and RF power splitters can be synthesised using resistors, their performance is not optimum as p

Posted on:03-26 View:5603
RF Combiners, Splitters and Hybrids

RF Combiners, Splitters and Hybrids - overview and introduction to RF combiners, splitters, couplers and hybrids, detailing what they are and the differences between them. RF combiners, splitters, couplers and hybrids are a group of circuits and components that are used in many R

Posted on:03-26 View:5469

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