Passive intermodulation (PIM) is a pernicious and destructive phenomenon for cellular network operators. PIM shows up as a set of unwanted signals … [Read More...] about What is passive intermodulation?
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Audio filters: Understanding acoustic waves – Part 2
In the previous tutorial, sound waves and their properties were discussed. Now, let's learn about acoustic waves. Sound waves typically refer to … [Read More...] about Audio filters: Understanding acoustic waves – Part 2
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Audio filters: Understanding sound waves – Part 1
Audio electronics is a sector that refers to the circuit design that converts sound into electrical signals or electrical signals back into sound. Together, several circuits form an audio system. An … [Read More...] about Audio filters: Understanding sound waves – Part 1
Bug Hunt! Spiraling in on formal coverage closure
By Ping Yeung Ph.D., Principal Engineer, Siemens EDA Many companies have used formal verification to verify complex SoCs [1][2] and safety-critical designs. Using formal verification to confirm … [Read More...] about Bug Hunt! Spiraling in on formal coverage closure
VSWR and impedance, Part 5: Making a match
Understanding the role and implications of impedance in RF transmission lines and antennas is vital to successful system performance. The importance of impedance matching, minimizing reflections, … [Read More...] about VSWR and impedance, Part 5: Making a match
Negotiate through 1/f noise challenges towards sample sizes into the 100s of years
Measuring and determining 1/f voltage noise over a multiple-year sample requires an operational amplifier and effective 1/f knowledge. This article shows how to identify and determine the actual op … [Read More...] about Negotiate through 1/f noise challenges towards sample sizes into the 100s of years
Sigma Delta ADC vs. SAR vs. Pipeline: How to Choose
Assuming that you are familiar with the fundamental specifications of an ADC and what they mean, the next step is to know your entire signal chain well and then work to fit the ADC to the … [Read More...] about Sigma Delta ADC vs. SAR vs. Pipeline: How to Choose
Stress & Strain, Part 2: Implications for electronics
The mechanical strain induced on electronic components due to mechanical and thermal stress is an important aspect of their performance consistency and limitations; stress is also used to enable some … [Read More...] about Stress & Strain, Part 2: Implications for electronics
Front-haul ICs drive 50 Gbps PAM4 5G wireless optical modules
Semtech Corporation announced sampling of the newest member of its Tri-Edge CDR portfolio, the GN2256. Integrating Semtech’s proven Tri-Edge CDR platform with a differential EML (Externally Modulated … [Read More...] about Front-haul ICs drive 50 Gbps PAM4 5G wireless optical modules
Evaluation kit simplifies design of battery-powered, smart-home products
Aspinity announced the availability of its Acoustic Event Detection Kit (EVK1) for battery-operated, smart home devices that are always listening for acoustic triggers such as window glass breaks, … [Read More...] about Evaluation kit simplifies design of battery-powered, smart-home products
A comparison of EMI test setups and specifications for automotive, industrial and defense applications, part 2: Radiated emissions
By Timothy Hegarty, Applications Engineer, Texas Instruments This article compares electromagnetic compatibility (EMC) requirements in automotive, industrial and defense product family standards, … [Read More...] about A comparison of EMI test setups and specifications for automotive, industrial and defense applications, part 2: Radiated emissions
Keeping the noise down
By Patrik Kalbermatten, KEMET Compact nanocrystalline single-phase filters that suppress electromagnetic interference from the power provide engineers with greater design … [Read More...] about Keeping the noise down
Basics of audio filters
By Diksha Nama, contributor, Engineers Garage An audio system is designed to receive audio signals (via microphone), record audio in some storage, transmit audio (through wired or wireless … [Read More...] about Basics of audio filters
Analog precision measurement ICs feature low power dissipation
Designers can now achieve double the battery life together with robust protection and highest accuracy for the internet of things (IoT), industrial and healthcare applications with three new Essential … [Read More...] about Analog precision measurement ICs feature low power dissipation
What is the difference between current feedback and voltage feedback op amps?
Current feedback (CFB) operational amplifiers (op amps) and voltage feedback (VFB) op amps have almost as many similarities as differences. CFBs and VFBs both have inverting and non-inverting inputs, … [Read More...] about What is the difference between current feedback and voltage feedback op amps?
Electrical noise can come from anywhere
Any unwanted signal that’s combined with the desired signal is called noise. In any circuit, noise can come from anywhere; from external systems as well as from within a circuit itself. External … [Read More...] about Electrical noise can come from anywhere
Two-wire, hall effect switches operate over -40 C to 150 C
Diodes Incorporated has announced a family of automotive-compliant, two-wire unipolar (AH323xQ/4xQ) and latch (AH327xQ/8xQ) switch integrated circuits (ICs) that provide high sensitivity and high … [Read More...] about Two-wire, hall effect switches operate over -40 C to 150 C
