Peeking inside an HDD

I’ve expressed no shortage of admiration in past writeups (stretching back…oh…a quarter century or so…) for the flash memory industry’s incremental cost, capacity, performance and reliability accomplishments over the years. I suppose I’m (more than) a bit biased because my post-college (not including during-college-co-op) engineering “origin story” involves eight years with Intel as an applications … Read more

Simple, high accuracy/precision/resolution frequency counter

In my previous design idea, a design for a simple GPS disciplined oscillator (GPSDO) 10 MHz reference was presented. A note at the end of that article describes the realization that a frequency counter could be derived by simple changes to the circuit. This article follows up by presenting a simple circuit for a frequency … Read more

Precision synchronous detection amplifier facilitates low voltage measurements

This design idea presents a practical circuit that implements synchronous detection to amplify small DC voltages with high linearity and excellent noise immunity. Such circuits are required in measurements involving current shunts, load cells, thermocouples, etc. Synchronous detection is explained in many books, papers and instrument manuals. If you are not familiar with the topic, … Read more

Ansys updates physics-based simulation software

New capabilities in Ansys 2022 R2 provide improved simulation accuracy, GPU solver advances, and AI/ML optimization to meet tough design challenges. Open workflows enhance collaboration and increase productivity across multiple engineering disciplines and industries, all in a scalable platform. Ansys Maxwell 2022 R2 electromechanical device analysis software provides reduced-order models for induction machines with improved … Read more

PCB Design Tips and Challenges

The challenges involved in designing high-current and high-voltage circuits are quite complex. Learn more PCB design tips in this article from Technotronix. High-power electronic products have a wide variety of applications, from consumer goods to medical devices to automotive. One of the main applications of high-power electronics is industrial production. The power requirement of a … Read more

650V GaN FET resides in surface-mount package

Extending Transphorm’s SuperGaN FET portfolio to higher power systems, the TP65H050G4BS is a 650-V, 50-mΩ device housed in a TO-263 (D2PAK) package. Engineers can use the TP65H050G4BS where higher power and surface-mount packaging are required, enabling better thermal performance than PQFN type packages. It also increases the efficiency of PCB assembly through the use of … Read more

Test and measurement companies join forces to address PCIe 6.0

Anritsu, in collaboration with Tektronix, demonstrated a PCIe 6.0 base specification test system at last month’s PCI-SIG Developers Conference. The test setup teamed Anritsu’s MP1900A signal quality analyzer with a DPO70000SX real-time oscilloscope from Tektronix and silicon-proven Synopsys PCIe 6.0 IP. PCIe 6.0 employs forward error correction (FEC) as a key technology to ensure the … Read more

Using the BlasterAmp – down a rabbit hole of specifications

The BlasterAmp [1] has proven useful to me in testing all sorts of analog-to-digital converter (ADC) circuits, even my digital oscilloscopes. While I mainly conceived it to test integrated ADCs in microprocessors, it can be used to test even RF ADCs. Yes, even that several hundred MHz downsampling ADC can be tested with an audio … Read more

EM simulation software addresses 60 GHz and beyond design

PathWave ADS 2023 from Keysight offers enhancements to EM simulation and streamlines multi-technology integration into EDA workflows. The software enables RF and microwave product developers to address signal complexity, design densification, and frequencies to 60 GHz and beyond. Simulation performance enhancements in RFPro, the interactive EM simulator integrated with PathWave ADS, include automation of EM … Read more

EM simulation software address 60 GHz and beyond design

PathWave ADS 2023 from Keysight offers enhancements to EM simulation and streamlines multi-technology integration into EDA workflows. The software enables RF and microwave product developers to address signal complexity, design densification, and frequencies to 60 GHz and beyond. Simulation performance enhancements in RFPro, the interactive EM simulator integrated with PathWave ADS, include automation of EM … Read more