• ADALM2000 - Debugging SPI

    The objective of this tutorial is to use the Logic Analyzer instrument provided by the ADALM2000 (M2K) board and the Scopy software toolset to visualize SPI (Serial Peripheral Interface) transactions between two devices. The Total Dissolved Solids ...
    • 26 Feb 2019
  • The best transistors to keep in your stock of parts

    The best transistors to keep in your stock of parts When you need transistors for a project there are a multitude of choices. This can make answering the question “What transistor should I use?” potentially very confusing. Fear not, befor...
    • 10 Dec 2018
  • Using Signals from the Headphone Output Active Learning Modules (M1k , M2k)

    Using Signals from the Headphone Output Active Learning Modules (M1k , M2k) The objective of this Blog entry is to show how to connect the audio output from the headphone jack on laptop computers, tablets or smart phones to be used in conjunction wit...
    • 23 Nov 2018
  • Measuring Seismic waves with ADALM1000 and a Geophone

    Measuring Seismic waves with ADALM1000 and a Geophone Commercial systems used for seismic exploration usually require expensive analog instrumentation. In this Blog entry, a low cost vertical geophone is connected directly to the analog input channe...
    • 25 Oct 2018
  • Which Multi-meter to add to my tool kit?

    Which Multi-meter to add to my tool kit? From the simple interconnection of a few resistors to a large complicated circuit, every design needs to be tested for its electrical properties. The two channel scope and function generator software instrumen...
    • 24 Oct 2018
  • Extra power supplies for Active Learning Modules (M2k , M1k)

    Extra power supplies for Active Learning Modules (M2k , M1k) We have over the years gotten many questions with regard to the limited current and voltages available from the built in user power supplies provided by the Active Learning Modules ADALM100...
    • 17 Oct 2018
  • A Classic phase measurement, The Lissajous pattern

    A Classic phase measurement, The Lissajous pattern All periodic signals can be described in terms of amplitude and phase. We all learn that in basic circuit theory classes. You surely have needed to calculate a signal's phase change when it passes t...
    • 30 Aug 2018
  • New Feature in ALICE Adds Input Divider Frequency Compensation

    New Feature in ALICE Adds Input Divider Frequency Compensation In this blog installment we are going to talk about a problematic limitation of the ADALM1000. To keep production costs of the board low, certain trade-offs were made. One was to foreg...
    • 25 Jul 2018
  • Measuring very small resistances with ADALM1000 part 2

    Measuring very small resistances with ADALM1000 part 2 This blog installment continues the discussion on making a Milliohm meter using the ADALM1000 and AD8210 current shunt monitor IC. Using the solder-less breadboard to connect to the AD8210 can...
    • 4 Jul 2018
  • ADALM2000: Active Filtering & Spectrum Analysis

    The objectives that we want to accomplish in this article are to examine the frequency spectrum of signals and emphasize filtering by a second-order filter circuit using the ADALM2000 Active Learning Module connected to a host via Scopy applic...
    • 3 Jul 2018
  • ASEE Paper on Personal Instrumentation and the ADALM1000

    ASEE Paper on Personal Instrumentation and the ADALM1000 In this paper from the June annual meeting of the ASEE, "Requirements for the Effective Application of Personal Instrumentation in ECE Undergraduate Courses", faculty from a number of univer...
    • 1 Jul 2018
  • Measure very small resistances by building your own Milliohm-meter

    Measure very small resistances by building your own Milliohm-meter The lowest resistance range on a typical three and a half digit DMM is 200 ohms with a resolution of 0.1 ohms. A much more expensive high end dedicated bench milliohm meter will su...
    • 14 Jun 2018
  • ADALM2000: Amplitude Modulation & Envelope Detectors 

    One of the primary uses of Amplitude Modulation is in aiding the transmission of information. Let us suppose we are in a room full of students, and the students in the back of the classroom cannot hear the teacher. He can increase his volume and s...
    • 16 Mar 2018
  • Combining ALICE Scope traces in LTSpice Simulations

    Combining ALICE Scope traces in LTSpice Simulations The ADALM1000 and ALICE 1.2 Desktop is a multi-purpose and incredibly useful set of measurement tools for testing electronics projects and experiments. Circuit simulators like LTSpice, and others...
    • 11 Mar 2018
  • Combining LTSpice Simulations with ALICE Scope traces

    Combining LTSpice Simulations with ALICE Scope traces Circuit simulators like LTSpice, and others, are useful tools for testing out electronic circuit experiments before actually constructing the circuit. The ADALM1000 and ALICE 1.2 Desktop is a m...
    • 8 Mar 2018
  • The ALICE Impedance Analyzer

    The ALICE Impedance Analyzer ALICE 1.1 Desktop is a multi-purpose and incredibly useful tool for working on electronics projects and experiments. But with all its capabilities it can be a little intimidating to get comfortable using all of the too...
    • 16 Dec 2017
  • How do you know if your copy of ALICE is up to date?

    How do you know if your copy of ALICE is up to date? As we develop courseware and lab activities for the ADALM1000 we often discover new ways to improve ALICE. New versions are put up on the ADI Wiki site for download frequently. Sometimes they co...
    • 26 Jul 2017
  • ETS and increasing the Bandwidth of the ADALM1000

    ETS and increasing the Bandwidth of the ADALM1000 In two previous blogs we discussed how to use equivalent time sampling (ETS) techniques in the software to display higher frequency signals with the ALM1000 hardware. In this blog we will talk abou...
    • 7 Jul 2017
  • More on Equivalent Time Sampling with the ADALM1000

    More on Equivalent Time Sampling with the ADALM1000 As was discussed in a previous blog, a new version of the ALICE 1.1 desktop software suite for ADALM1000 (as of 7-5-2017) now includes an option that implements a form of equivalent time sampling...
    • 5 Jul 2017
  • Bandwidth vs Sample Rate and the ADALM1000

    Bandwidth vs Sample Rate and the ADALM1000 The meaning of "bandwidth vs sample rate", especially in relation to a low cost USB based digital oscilloscope like the ADALM1000 is something that can cause a lot of confusion at times. For those familia...
    • 21 Jun 2017
  • Misconceptions about USB Oscilloscopes like ADALM1000/2000

    Misconceptions about USB Oscilloscopes like ADALM1000/2000 You’ll have to carry around more stuff This one is true assuming you don’t already carry around a laptop anyway. With a USB module like the ALM1000 or ALM2000 you need a computer, p...
    • 1 Jun 2017
  • Testing the RIAA Curve

    Testing the RIAA Curve Normally one would consider the topic of the RIAA equalization characteristic used to record Vinyl Records as relegated to the dust bin of history. But vinyl is making a comeback and I thought that revisiting the recording a...
    • 24 Feb 2017
  • What is an Analog Signature Analyzer vs a Curve Tracer or a SMU?

    What is an Analog Signature Analyzer vs a Curve Tracer or a SMU? As more background on this last blog entry on the ADALM1000 as a SMU I thought it might be good to answer the question, What is an Analog Signature Analyzer vs a Curve Tracer vs a So...
    • 11 Nov 2016
  • What is a Source Measurement Unit or SMU?

    As more background on this last blog entry on measuring current with the ADALM1000 I thought it might be good to answer the question, What is a Source Measurement Unit anyway? A Source Measure Unit (SMU) is an instrument that combines a sourcing f...
    • 3 Oct 2016
  • Measuring current with the ADALM1000

    The ADALM1000 is actually a Source/Measure Unit (SMU) at it's heart not a separate oscilloscope and function generator This can be confusing to some users who are maybe not so familiar with a SMU. We haven’t made it all that easy at times either in...
    • 28 Aug 2016