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How Technology Helps Police Force Training
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How Technology Helps Police Force Training

“With great power comes great responsibility” was the piece of wisdom conveyed to Peter Parker by his uncle in the 2002 Spiderman movie.Uncle Ben’s insight lived on far beyond his life, inspiring the direction that his nephew would take as a superhero. In real life, we also have to heed the wisdom of that warning.

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Crystal Microphone: Ceramic Microphone

Microphone Tutorial Includes:Microphone basicsMicrophone typesMicrophone specsMicrophone directionalityDynamic microphoneCondenser microphoneElectret microphoneRibbon microphoneCrystal / ceramic microphoneBoundary / PZM microphoneCarbon microphoneHow to buy best microphoneMicrophones for videoMicrophones for vocals/ singingCrystal microphones or ceramic microphones are generally low cost units offering a high output voltage into a high impedance.
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Understanding Headphone Specifications & Attributes

Earphones, Headphones & Headsets includes:Introduction to Earphones & headphonesHeadphone specificationsHow to buy best headphones / earphones for youWhen selecting headphones for a particular job, there are many different specifications, attributes and general terminology for them What do they all mean?
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Loudspeaker Enclosure: speaker box

There are several different types of loudspeaker enclosures or speaker boxes that can be used - each type has its own characteristics and serves different purposes better.Selecting the type of speaker enclosure has a major impact upon the performance and determines many of the characteristics of the overall loudspeaker system.
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DECT Security, Encryption & Authentication

DECT cordless telephones includes:DECT basicsDECT standardDECT RF interface / physical layerDECT channels & bandsDECT securityCordless phone buying guideAs with any telecommunications system these days, security is an issue of considerable importance, especially for systems like DECT which transmit the information via radio.
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HDMI Versions: 1.1, 1.2, 1.3, 1.4, 2, 2.1 - differences & compatibility

HDMI Technology Includes:HDMI - the basicsHDMI versionsHDMI connectorsPinout / pin connectionsHDMI cablesUSB C to HDMIHDMI switch, splitter & matrix - the differencesHDMI has been existence since 2002 and since then many advances have been made in the field of audio visual data capabilities. Video formats have advanced and the data rates have increased significantly.
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Wi-Fi Security - How to Stay Safe on Public Wi-Fi

WiFi IEEE 802.11 Includes:Wi-Fi IEEE 802.11 introductionStandardsWi-Fi Alliance generationsSecurityHow to stay safe on public Wi-FiWi-Fi BandsRouter location & coverageHow to get best Wi-Fi performanceHow to buy the best Wi-Fi routerWi-Fi boosters, range extenders & repeatersWi-Fi wired & powerline extenderAccessing the Internet from your own home or office is normally quite safe, but venture out with your Wi-Fi enabled device be it a smartphone, tablet or laptop and the experience could be quite different.
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How to Use a Licence Free Radio or Walkie Talkie

Licence free radio systems:Licence free radio systemsCitizens band, CBPMR446FRS Family Radio ServiceHow to use a licence free radioHints & tips on buying licence free radioUsing a licence free walkie talkie handset is relatively straightforward. However there are several points to be noted as it is different to using a mobile phone with which most people will be familiar.
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RF & Microwave Power Measurement Techniques

RF & microwave power meter Includes:RF power meterPEP, average, & pulse powerPower measurement techniquesIn-line power meterAbsorption-power meters & sensorsMaking RF measurements is normally quite straightforward, but by implementing few techniques and taking a few precautions it is possible to ensure accurate measurements are made.
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Using Dip Meter to Measure Capacitance

One of the many useful measurements a grid dip meter or grid dip oscillator can perform is to measure the capacitance of a capacitor..Dip Meter Tutorial Includes:Dip meter / GDO basicsHow to use a dip meter / GDOUsing GDO to measure inductanceUsing GDO to measure capacitanceMeasuring antenna resonant frequencyMeasuring feeder electrical lengthAlthough capacitor values are normally marked onto capacitors, there are sometimes occasions when this may not be visible, or when the value is being questioned.
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HDMI Splitter, Switch & Matrix - What are the Differences

HDMI Technology Includes:HDMI - the basicsHDMI versionsHDMI connectorsPinout / pin connectionsHDMI cablesUSB C to HDMIHDMI switch, splitter & matrix - the differencesThere is a lot of confusion about HDMI splitters and HDMI switches and even HDMI Matrixes. All are very useful devices, but they perform different functions.
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How to calibrate a Vector Network Analyzer, VNA

RF vector network analyzer includes:What is a VNAVNA calibrationVNA specificationsScalar analyzerCalibration is a key issue for any test equipment to ensure that the readings made fall within the set limits.For an RF vector network analyzer, calibration is particularly important. Not only does the test instrument itself need to undergo a formal period calibration to ensure that the unit itself is operating within the manufacturers limits, but it also needs a user calibration.
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IEEE 1149.6: AC coupled JTAG

Boundary Scan JTAG Includes:What is Boundary Scan / JTAGBoundary scan description language, BSDLDesign for test with boundary scanJTAG Spec & IEEE 1149 StandardJTAG TAP & connectorIEEE 1149.6 (AC coupled JTAG)Compact JTAG cJTAG IEEE 1149.7IJTAG, IEEE 1687The IEEE 1149.1, JTAG standard for boundary scan testing has been in existence for many years and it is now well established.
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Boundary Scan Description Language, BSDL

Boundary Scan JTAG Includes:What is Boundary Scan / JTAGBoundary scan description language, BSDLDesign for test with boundary scanJTAG Spec & IEEE 1149 StandardJTAG TAP & connectorIEEE 1149.6 (AC coupled JTAG)Compact JTAG cJTAG IEEE 1149.7IJTAG, IEEE 1687Boundary scan is now a well established test technology.
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Dip Meter Feeder Length Measurement

A dip meter or grid dip oscillator, GDO can be used for many measurements including measuring the electrical length of a feeder.Dip Meter Tutorial Includes:Dip meter / GDO basicsHow to use a dip meter / GDOUsing GDO to measure inductanceUsing GDO to measure capacitanceMeasuring antenna resonant frequencyMeasuring feeder electrical lengthA dip meter provides an easy method of measuring the electrical length of a piece of feeder.
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How to Measure Phase Noise with a Spectrum Analyzer

Spectrum Analyzer Tutorial Includes:What is a spectrum analyzerSpectrum analyzer types and technologiesSuperheterodyne / sweep spectrum analyzerFFT spectrum analyzerRealtime spectrum analyzerUSB spectrum analyzerSpectrum analyzer tracking generatorSpecificationsSpectrum analyzer operationNoise figure measurementsPhase noise measurementsPulsed signal spectrum analysisToday& 39;s spectrum analyzers provide a very effective means of testing phase noise easily and accurately, and can be much easier and more accurate than using approaches using other forms of electronics test instruments.
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MXIbus Multisystem Extension Interface Bus Tutorial

VXI Technology Includes:What is VXI testChassis / rackVXIbus connectors & connectionsModules & cardsMXIUsing VXI as a basis, MXI or more correctly the MXIbus is a high speed communication link that can be used between devices.Standing for Multisystem Extension Interface bus, the name for the MXIbus gives a clue to its intended uses.
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How to Set Up & Build a PXI System

PXI tutorial includes:What is PXI?PXI standardPXI chassisPXI bus and backplanePXI controllerPXI cards & modulesPXI softwarePXI ExpressPXImc MultiComputingSet-up & build PXI systemOne of the advantages of using PXI test and measurement systems is that they can be built to suit the exact requirements for any test, control or data acquisition requirement.
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GPIB Connectors

GPIB / IEEE 488 Bus Includes:GPIB / IEEE 488 busGPIB operation / commands / protocolIEEE 488.2How to Use GPIB / IEEE 488GPIB / IEEE 488 cablesGPIB / IEEE 488 connectorsGPIB / IEEE 488 pinout / pin connectionsThe connector used for the GPIB / IEEE 488 bus is standard across the industry.The GPIB system uses the 24-way Amphenol 57 series type.
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How to Develop a Successful Test Strategy

Automatic Test Equipment, ATE Includes:ATE basicsAutomated optical inspection, AOIAutomated X-ray inspection, AXIIn-Circuit test, ICTFunctional test, FATEDeveloping test strategyThe development of a test strategy / process or testing strategy for an electronics product is just as important as the development of the product itself.
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