ESC Con 2015

Test & Measurement

Martin Rowe
Senior Technical Editor
Technical information about test and measurement equipment and strategies from the point of view of the R&D or design and development engineer. Topics include T&M hardware such as oscilloscopes and signal generators/analyzers, as well as software and test methodologies.

Increase range in 2-port impedance measurements

Adding series resistors or replacing VNA cables can widen bandwidth for measuring low impedances. Read More...

Handheld analyzer performs vector-voltmeter measurements

An optional vector-voltmeter mode for the microwave Site Master S820E from Anritsu—a handheld cable and antenna analyzer that offers coverage of up to 40 GHz—allows the S820E to serve as a drop-in replacement for legacy vector-voltmeter instruments. Read More...

Simplified kurtosis computation detects signal interference

The statistical kurtosis operation, reinterpreted and implemented on an FPGA for this Design Idea, can detect various forms of interference in RF and other signals. Read More...

How to extend calibration cycles

When your business case calls for a long calibration interval, you can use CALT techniques to verify design stability. Read More...

Review: The Vectawave VBM2500-3 RF amplifier

Recently, several of my clients have been requesting help with pre-compliance testing in the 10 to 50 V/m range, well beyond what the simple TPI or Windfreak RF synthesizers alone can muster. So, I’ve been continuing to look for small low-cost RF power amplifiers that can help me achieve these higher power levels. Read More...

PXI module switches test signals

A PXI Reed Relay Matrix from Pickering Interfaces lets you automate tests by switching signals to and from test equipment. Read More...

LXI digitizers reach 5 Gsamples/s

Networked systems are available in two, four, or eight channels at 1.5 GHz bandwidth. Read More...

Review: The Red Oak Canyon “RF Pro Touch” RF generator

This small portable RF generator with very accurate RF output levels incorporates Robert Yarbrough’s model TPI Synthesizer version 4, repackaged with touchscreen control and chargeable battery. Read More...

Test-executive upgrade streamlines power testing

PowerStar 6, the latest version of Intepro Systems’ test executive software, provides a number of features intended to make the testing of power electronics easier, such as an expanded drag-and-drop test library and an integrated configuration manager that allows switching between system configurations without restarting. Read More...

Audio Precision supports Dante pro networked audio

The company's APx58x Series, APx52x Series, APx555 and APx515 audio analyzers now let you test and characterize audio transported on Dante Ethernet-based networks. Read More...

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Simplified kurtosis computation detects signal interference

The statistical kurtosis operation, reinterpreted and implemented on an FPGA for this Design Idea, can detect various forms of interference in RF and other signals. Read More...

De-embed transmission lines with FIR filters

This DI uses MATLAB to design de-embedding filters which clean up high-speed signal measurements. Read More...

Instrumentation amp makes an accurate transimpedance amp too

The interesting topology in this Design Idea turns a monolithic in-amp into a good transimpedance amp for photodiode or similar applications. Read More...

Transient load gives power systems a workout

Verify power supply performance with this transient load generator. Read More...

Bad-bulb finder fixes Christmas lights

15 years later, here’s a new take on one of our most popular Design Ideas ever! Read More...

Power transient buffer enables IC & circuit testing

This DI lets you use a versatile function generator to test a circuit’s response to power transients and noise. Read More...

Antilog converter linearizes carbon dioxide sensor

Simplify gas sensor interface with some analog preprocessing. Read More...

Sub-picofarad measurement with CMOS inverters

Measure capacitance down to 2.5pF full-scale using this hex inverter-based design. Read More...

>> SEE ALL

Handheld analyzer performs vector-voltmeter measurements

An optional vector-voltmeter mode for the microwave Site Master S820E from Anritsu—a handheld cable and antenna analyzer that offers coverage of up to 40 GHz—allows the S820E to serve as a drop-in replacement for legacy vector-voltmeter instruments. Read More...

PXI module switches test signals

A PXI Reed Relay Matrix from Pickering Interfaces lets you automate tests by switching signals to and from test equipment. Read More...

LXI digitizers reach 5 Gsamples/s

Networked systems are available in two, four, or eight channels at 1.5 GHz bandwidth. Read More...

Test-executive upgrade streamlines power testing

PowerStar 6, the latest version of Intepro Systems’ test executive software, provides a number of features intended to make the testing of power electronics easier, such as an expanded drag-and-drop test library and an integrated configuration manager that allows switching between system configurations without restarting. Read More...

Audio Precision supports Dante pro networked audio

The company's APx58x Series, APx52x Series, APx555 and APx515 audio analyzers now let you test and characterize audio transported on Dante Ethernet-based networks. Read More...

DC power supply furnishes 200 VA

Able to operate in constant-current or constant-voltage mode with automatic crossover, the Model 1320 DC power supply from Global Specialties delivers continual output power of up to 200 VA via three independent outputs. Read More...

Multichannel RF/analog recorder stores up to 10 Tbytes

Used for recording extremely long RF/analog waveforms, the TERAQC14 data-acquisition system from Ultraview stores up to 10 Tbytes of wideband content acquired on one to four channels, concurrently triggered by either an internal or external start signal. Read More...

Signal analyzer measures 64 IEPE channels

Connect IEPE accelerometers directly to the Data Translation VIbox, then analyze sound and vibration signals. Read More...

Teledyne LeCroy enhances high-end oscilloscopes

Teledyne LeCroy demonstrated the LabMaster 10Zi-A and WaveMaster 8Zi-B oscilloscopes at OFC 2015. Read More...

PCIe, USB test benches ease simulation-measurement correlation

Aimed at semiconductor companies developing SerDes (serializer/deserializer) I/O blocks and OEMs integrating such chips onto their system pc boards, Keysight's PCI Express and USB test benches allow engineers to use simulation to ensure a candidate design yields a fabricated prototype compliant with PCI-SIG and USB-IF specifications. Read More...

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The Tektronix 1101 oscilloscope-probe power supply

A mechanical design is at once a masterpiece and an expensive expedient. Read More...

What's inside a smart meter? iFixit tears it down

When iFixit's Kyle Wiens had the opportunity to tear down an Elster smart meter, he jumped at it—not to come up with a repair manual but to evaluate the health and safety issues that seem to surround the utilities’ installation of smart meters. Read More...

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How to extend calibration cycles

When your business case calls for a long calibration interval, you can use CALT techniques to verify design stability. Read More...

A single misplaced atom can cause a system failure

Inside a semiconductor, a single atom deposited in the wrong place can cause the device to fail. Failure analysis and inspection can uncover the failure. Read More...

Limit the range of a waveform measurement

With these handy hints, you can use an oscilloscope to measure what you want and ignore the rest. Read More...

7 data-acquisition systems attach directly to sensors

When assembling a data-acquisition system, be sure to compare these systems that require no external signal conditioning. Sensors connect directly to the systems. Read More...

The mysterious disappearance of duo-binary signaling

At DesignCon 2015, we heard that Duo-binary modulation isn't sufficient for 56 Gbps data transmissions, yet we saw it in live demonstration. What's going on? Read More...

Testing the iCub robot’s battery with an oscilloscope

The iCub humanoid robot’s new battery backpack was tested and optimized using a Tektronix oscilloscope and power probes to keep the sensors on, the circuits powered up, and motors turning. Read More...

Real-time power GaN waveform monitoring

In this article, we compare the degradation mechanisms of GaN FETs with silicon FETs and discuss the need for waveform monitoring. Read More...

USB 3.1 testing part 2: Type-C cable assemblies

The USB type-C connector will make life easier for consumers, but will require additional compliance testing for designers. Read More...

Characterize interconnects with S-parameters, Part 2

A closer look at not only S11 (return loss or reflected signal), but also S21 (insertion loss or transmitted signal). Read More...

Test Memories at-speed with a slow clock

You may think that testing memory with a low-speed clock would miss many errors, but that's not the case. Read More...

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Increase range in 2-port impedance measurements

Adding series resistors or replacing VNA cables can widen bandwidth for measuring low impedances. Read More...

Handheld analyzer performs vector-voltmeter measurements

An optional vector-voltmeter mode for the microwave Site Master S820E from Anritsu—a handheld cable and antenna analyzer that offers coverage of up to 40 GHz—allows the S820E to serve as a drop-in replacement for legacy vector-voltmeter instruments. Read More...

How to extend calibration cycles

When your business case calls for a long calibration interval, you can use CALT techniques to verify design stability. Read More...

Dual-channel IC performs accurate power monitoring

Outfitted with two 24-bit delta-sigma ADCs and a 16-bit calculation engine, the MCP39F511 single-phase power-monitor IC from Microchip performs real-time measurement of AC power for use in commercial and industrial products, such as lighting and heating systems, smart plugs, power meters, and AC/DC power supplies. Read More...

ZigBee and Thread move towards mesh network interoperability

On April 2, the Zigbee Alliance which consists of members consisting of silicon manufacturers, module providers and software developers on a global scale who adhere to the Zigbee standard, agreed to work together with the Thread Group whose goal is to make available the best means to control and connect products for the Smart Home. Read More...

Not your grandfather’s ADC: RF sampling ADCs offer advantages in systems design

Ever since the first commercial data converters were made, the insatiable need for faster and faster data rates meant that the data converter development had to keep pace. The latest avatar of the ADC is the RF sampling ADC with sampling speeds in the GHz realm. Read More...

LXI digitizers reach 5 Gsamples/s

Networked systems are available in two, four, or eight channels at 1.5 GHz bandwidth. Read More...

>> SEE ALL

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