Measurements technics

Measurements technics - oscilloscopes, voltmeters, multimeters, generators - review, tests



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  • Active RF Detector Probe for DMMS
    18.06.2016 - 23:34
    This low-cost detector probe allows you to measure RF signals from below 100kHz up to over 1GHz with your DMM for signal voltages between about 20mV and 10 V RMS. You can use it with a probe or a sniffer loop and you can even use it to measure the voltage across a coaxial cable load and calculate the RF power. T’S NOT DIFFICULT to measure RF ...
  • Extremely accurate GPS 1pps timebase for A frequency counter
    13.04.2016 - 22:39
    Get maximum accuracy from your 12-Digit Frequency Counter using this GPS lpps Timebase. It connects to the external timebase input of the counter and will let you achieve measurement accuracy close to that of an atomic clock. You can either build it into the frequency counter or use it as a separate module. ARE YOU KEEN to build the new 12 -D...
  • Synchronous and asynchronous counters
    09.04.2016 - 23:54
    LAST month, we looked at some issues which arose from the simulation of a binary counter. A question was posted by perro on the EPE Chat Zone asking if the unwanted behaviour of the circuit was due to a problem with the Circuit Wizard simulation he had used, or was something to do with the circuit itself. Perro’s circuit was an asynchronous ripp...
  • Automated and Portable Test Solutions for RF Devices
    20.11.2015 - 06:15
    With recent developments in technologies like MIMO, femtocell and LTE, the RF device testing is reaching new dimensions. Read on to find out what’s new in this field. Millions of devices these days operate and communicate in radio frequency (RF) range, which spans from 3kHz to 300GHz of the electromagnetic spectrum. From radio frequency ident...
  • Portability and Low-Powei-Drive Power Analysis
    06.04.2015 - 23:02
    Power is not limited to the simple equation of voltage multiplied by current. From calculating the efficiency of a home appliance to determining the range of a cell tower, power measurement has a major role to play in today’s systems. this article takes you through, very briefly, the latest trends in power analysers, power meters and power suppl...
  • Budget-Friendly Oscilloscopes
    12.02.2015 - 20:26
    Digital oscilloscopes, being expensive, have always been out of reach for many. But this doesn’t make them less desirable. Fortunately, test and measurement companies have sensed this situation and started developing low-priced oscilloscopes with reasonable quality and features. So we now have several wonderful low-budget options. Let us take a ...
  • From 50MHz to 100GHz, Bench-Top to Wristwatch Oscilloscopes Have Come a Long Way
    11.02.2015 - 20:14
    In this story, we explore the latest features and kinds of oscilloscopes that play an integral role in effectively testing designs today. We also learn how new technologies in oscilloscopes are enabling test and embedded engineers to design better. As an engineer, if you want to improve your design overall, effective testing is an integral pa...
  • Oscilloscope as an Image Viewer
    16.01.2015 - 20:23
    Cathode ray oscilloscope (CRO) is a versatile laboratory instrument which is used to display, measure and analyse electrical signals. It is nothing but a fast x-y plotter that displays an input signal versus another signal or time. There is a luminous spot which moves over the display area in response to the input voltage. But displaying a monoc...
  • Simple Tester for 74xx04 and 74xx14 ICs
    10.01.2015 - 22:28
    The integrated circuits (ICs) 74xx04 and 74xx14 are very frequently used and reused during circuit design. Here xx stands for HC, HCT, AC and LS, etc. Sometimes, the internal inverters of these ICs get damaged. So, it is very important to test these ICs before initiating any experiment and sometimes during the experiments. Presented here is a...
  • Distance Counter
    10.01.2015 - 21:19
    Presented here is a simple pedometer circuit. It measures the distance covered by you while walking. It may not work very well for running! Circuit and working Fig. 1 shows circuit diagram of the distance counter. The circuit is built around quad 2-input Schmitt trigger CD4093 (IC1), CMOS ripple carry binary counter/divider CD4024 (IC2), d...
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