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Articles
RF & Microwave Electronics

Radar Testing with an O-Scope

A new generation of compact radar sensors with long range and high resolution is under development for automated driver assistance systems (ADAS) and future fully autonomous vehicles. Operating in the...

Articles
Test & Measurement

The Inside Story of Pico's 9400 SXRTO

Pico’s RF Business Development Manager Mark Ashcroft introduces the company's SXRTO Sampler Extended Real Time Oscilloscope.

Technology Leaders
Test & Measurement

Accelerating SENT Troubleshooting and Debug Using an Oscilloscope

The SENT (Single Edge Nibble Transmission) bus continues to gain acceptance across the automotive industry and is widely used to transmit high-resolution readings from...

Articles
Test & Measurement

New Pulse Analysis Techniques for Radar and EW

Pulsed signals are widespread in radar and other electronic warfare (EW) applications, and they must be accurately measured for manufacturing, design of countermeasures, and threat assessment;...

Articles
Photonics/Optics

How to Test Devices Used in Optical Communications Systems

As signal rates approach 50 Gb/s, bandwidth demand has outpaced conventional circuit boards. Engineers are now turning to PAM4 signaling rather than conventional NRZ as the most...

Application Briefs
Test & Measurement

NeXtRAD SDR Interface

Pentek, Inc.
Upper Saddle River, NJ
201-818-5900
For more info click here

NeXtRAD is a dual-band, dual-polarization, multistatic radar system under development at the University of Cape Town (UCT) in...

Articles
Aerospace

Pulse Analysis Techniques for Radar and Electronic Warfare

Pulsed signals are widespread in radar and other electronic warfare (EW) applications, and they must be accurately measured for manufacturing, design of countermeasures, and threat...

Articles
Test & Measurement

ECG Small Signal General and Analysis

Electrocardiogram (ECG or EKG) is the most common way to identify various ailments, especially when the ailment is related to the heart. To perform an ECG, the medical personnel places the leads on the...

Articles
Test & Measurement

Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems

Whether for multi-channel analysis, or for wider analysis bandwidth in a measurement, high bandwidth oscilloscopes offer an alternative to traditional...

Articles
RF & Microwave Electronics

Analyzing Radar Signals with Demodulation

In the electronic warfare milieu, one of the most common RF applications is that of radar systems. Radar, which uses RF energy to determine the range, angle, and/or velocity of objects, detects...

Briefs
Electronics & Computers

Automated Break-Out Box for Use with Low-Cost Spacecraft Integration and Test

Electrical checkout and testing is a critical part of the overall space integration and test flow. Verifying proper harness and connector signal interfaces is key to ensuring component health and overall system functionality. Break-out boxes (BOBs) are used to give...

Application Briefs
Defense

VPX Chassis for Missile System

Verotec
Manchester, NH
603-821-9921
www.verotec.us

Using a hit-to-kill approach, a US Army anti-ballistic missile system called Terminal High Altitude Area Defense (THAAD) is designed to shoot...

Articles
RF & Microwave Electronics

Developing Secondary Surveillance Radar Automated Test Equipment

Unlike primary radars, Secondary Surveillance Radar (SSR) calculates the range and azimuth of a target, such as an aircraft, using a bidirectional communication link to gather...

Articles
Test & Measurement

Every Measurement Starts with a Trigger

One important requirement for instruments like oscilloscopes is the ability to detect and trigger on an event of interest within a stream of unsuspicious signals fast and reliably. The quicker a...

Features
Medical

Using Surge Testers for Design Verification and Production Testing

Not only are medical devices expected to function as intended, they must meet ergonomic, safety, FDA and functional requirements. They must be designed to function in adverse...

Articles
Sensors/Data Acquisition

Test it Like da Vinci

Do you see product testing and checking as a necessary evil? Then take some time to change your mind. In the long process from vision to reality of a product, intelligent and efficient testing is indispensable. The...

Articles
Sensors/Data Acquisition

The Touch Screen Revolution

Touch screens are slowly but surely creeping into every aspect of our day-to-day lives. It’s not unlikely that you wake up to a cellphone alarm, adjust the room temperature on a thermostat, change the radio...

Articles
Test & Measurement

Three Things You Can’t Measure if Your Oscilloscope Doesn’t Have Enough Memory

Modern oscilloscopes come equipped with a host of different attributes, and many vendors tout their latest additions as “must have” features. With so many...

Briefs
Electronics & Computers

Dynamic Range Enhancement of High-Speed Data Acquisition Systems

The innovation is a technique to overcome hardware limitations of common high-speed data acquisition systems in order to be able to measure electronic signals with high dynamic range, wide bandwidth, and high frequency.

Articles
Aerospace

An Improved SDR FPGA Verification Methodology for Emerging OFDMA Waveforms

The rapid evolution of commercial technologies such as Long Term Evolution (LTE) is becoming more attractive for Software-Defined Radio (SDR) and public safety...

Articles
Test & Measurement

Testing Modern Radios

Several techniques are now being employed to ensure efficient communications across the chaotic radio spectrum. Chief among them is Software Defined Radio (SDR), which uses software to dynamically control communications...

Articles
Test & Measurement

Using Software Defined Instruments to Address the Mixed-Signal Test Challenges of Today’s Software Defined Radios

Software Defined Radio (SDR) represents an important move forward for mobile and personal communications, promising a major...

Briefs
Physical Sciences

Generation of Optical Combs in a WGM Resonator From a Bichromatic Pump

Optical combs generated by a monolithic resonator with Kerr-medium can be used in a number of applications, including orbital clocks and frequency standards of extremely high accuracy, such as astronomy, molecular spectroscopy, and the like. The main difficulty of this...

Briefs
Electronics & Computers

Digitally Controlled Slot Coupled Patch Array

A four-element array conformed to a singly curved conducting surface has been demonstrated to provide 2 dB axial ratio of 14 percent, while maintaining VSWR (voltage standing wave ratio) of 2:1 and gain of 13 dBiC. The array is digitally controlled and can be scanned with the LMS Adaptive Algorithm...

Briefs
Physical Sciences

Measuring Cyclic Error in Laser Heterodyne Interferometers

An improved method and apparatus have been devised for measuring cyclic errors in the readouts of laser heterodyne interferometers that are configured and operated as displacement...

Briefs
Physical Sciences

Measuring a Fiber-Optic Delay Line Using a Mode-Locked Laser

The figure schematically depicts a laboratory setup for determining the optical length of a fiber-optic delay line at a precision greater than that obtainable by use of optical...

Briefs
Photonics/Optics

Photonic Recirculating Delay Line for Analog-to-Digital Conversion

Aconventional analog fiber-optic link can be augmented with a recirculating optical delay loop so as to realize an optically assisted analogto- digital converter (ADC) that...

Briefs
Information Technology

R4SA for Controlling Robots

The R4SA GUI mentioned in the immediately preceding article is a user-friendly interface for controlling one or more robot(s). This GUI makes it possible to perform meaningful real-time field experiments and research in robotics at an unmatched level of fidelity, within minutes of setup. It provides such powerful...

Briefs
Physical Sciences

Bimaterial Thermal Compensators for WGM Resonators

Bimaterial thermal compensators have been proposed as inexpensive means of preventing (to first order) or reducing temperature-related changes in the resonance frequencies of...