Radio Astronomy Measurements Using a GaGe RazorMax Digitizer
Radio Astronomy Measurements Using a GaGe RazorMax Digitizer Introduction Radio astronomy relies on highly sensitive measurements of weak electromagnetic emissions originating from cosmic sources, including galactic hydrogen clouds, star-forming regions, pulsars, and the Cosmic Microwave Background (CMB). These emissions typically fall below 10 GHz, spanning the radio-frequency (RF) and microwave bands. In many cosmological studies—particularly those investigating early-universe star formation—signals of interest are concentrated well below 300 MHz. In the application described here, a customer is monitoring astronomical RF emissions centered near 100 MHz, originating from extremely distant sources. At [...]
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PCI Express (PCIe) Data Streaming
All Gage PCI Express (PCIe) CompuScope Digitizers are capable of streaming acquired waveform data through the PCIe bus directly to the host PC RAM by utilizing the eXpert PCIe Data Streaming Firmware. By contrast, in standard Memory Mode operations the waveform data is first acquired to the digitizer card's onboard memory, acquisition is stopped, and then the data residing in onboard memory can be transferred to the host PC system. eXpert PCIe Data Streaming Mode operations provide two distinct advantages over standard Memory Mode. First, Streaming Mode may overcome the acquisition time limit imposed by the size volume of [...]
Did You Know? GaGe RazorMax Express Digitizer/Oscilloscope: An Efficient & Cost-Effective Tool for High-Energy Physics Particle Counting Applications GalleryDid You Know? GaGe RazorMax Express Digitizer/Oscilloscope: An Efficient & Cost-Effective Tool for High-Energy Physics Particle Counting Applications
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Did You Know? GaGe RazorMax Express Digitizer/Oscilloscope: An Efficient & Cost-Effective Tool for High-Energy Physics Particle Counting Applications
Introduction Figure 1. Examples of photo-mulitiplier tubes, or PMTs (Photo courtesy of Hamamatsu). An important category of experimental physics is nuclear and particle physics, a near synonym for high-energy physics. A broad range of experiments in this domain are classed as scattering experiments in which an incident particle hits a target and the resulting scattered particles are studied. Scattering processes can involve the creation or annihilation of particles. The modern approach to studying scattered particles is to employ particle detectors, devices that detect individual particles impinging upon them. This paper provides an overview of typical instruments [...]
Ultrasonic Tissue Characterization
Ultrasonic Tissue Characterization Customer Case This customer's application is Ultrasonic Tissue Characterization. Their ultrasonic sensors transmit 16 signals. The customer's requirement is to capture 512 points on the 16 channels, average them together, and then store the data in a buffer, with the system running continuously. They would like to be able to update the average buffer and recapture data as fast as possible. They would then like to log the data to disk or process the data and display an image on the screen. Since the signals coming in from their ultrasonic sensors are very weak, the customer [...]
Whitepaper: What Defines Performance in High-Speed Digitizers
Introduction Today’s advanced, PC-based digitizers for high-speed data acquisition are necessary for myriad applications – ranging from signal analysis, lidar, ultrasound imaging and non-destructive testing, to communications, particle physics, mass spectroscopy and more. This article highlights how digitizers are unique and describes the unique performance parameters engineers should use when selecting a high-speed digitizer. Digitizers Cater to In-Process Signal Testing While digitizers and Digital Storage Oscilloscopes (DSOs) both use Analog-to-Digital Converter (ADC) chips as their core electronics they are different tools. The DSO is optimized for the probing and visualization of signals that are typically encountered on [...]
Digitizing Ultrasonic Signals
Digitizing Ultrasonic Signals Customer Case The customer has an ultrasonic signal that he wants to digitize with either 8 or 12-bit resolution. The sampling rate required for this application is a minimum of 16 MSPS (20 MSPS is acceptable). Finally, the data must be acquired for a full 10 seconds. The data is not coming in continuously: it is arriving in bursts one millisecond apart (PRF = 1 KHz). For each trigger the customer wants to capture approximately 200 us of data. Once this data is acquired, the customer wants it saved to the hard drive as a standard [...]
What Defines Performance in High-Speed Digitizers? Published in Electronic Products & Technology July 2024
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Article: High-Performance Digitizers in Semiconductor Manufacturing Applications GalleryArticle: High-Performance Digitizers in Semiconductor Manufacturing Applications
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Article: High-Performance Digitizers in Semiconductor Manufacturing Applications
High-Performance Digitizers in Semiconductor Manufacturing Applications PC-based high-speed, high-resolution digitizers perform critical data acquisition functions during semiconductor fabrication, die packaging, and final chip testing. Introduction Data acquisition is a critical element of quality control and compliance testing during three stages of semiconductor manufacture. The first stage is fabrication, in which single-crystal semiconductor wafers are subject to various operations that leave them imprinted with micro-circuitry patterns. During the second stage, the wafers are diced up into individual silicon “die” that are packaged into final chips. The third stage involves functional testing of the final chips to [...]
Aviation NewsBrief: Industry Growth Faces Trained Technician Shortage GalleryAviation NewsBrief: Industry Growth Faces Trained Technician Shortage
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Aviation NewsBrief: Industry Growth Faces Trained Technician Shortage
Introduction Prior to the COVID pandemic, the average age of a highly trained aircraft technician was 57. The airline industry, like so many others, reacted to the pandemic by reducing operations and offering early retirement as way of balancing the workforce with demand. Now the airline industry is experiencing unprecedented growth and thanks to the early retirement of senior MRO technicians, the industry is experiencing a shortfall in its population of qualified personnel. The Problem: Too Few Young Mechanics Joining the Ranks Not enough young mechanics are joining the trade. Exacerbating the situation is [...]