Passive Components
5055 articles · Page 2 of 211
Structure and Testing of a Typical DWDM Link
A detailed technical examination of the physical architecture, component-level specifications, and standardized test methodologies for modern 100-Gbps+ DWDM optical transport links — covering transceivers, amplifiers, filters, and OTDR-based validation with real-world data from Cisco, Ciena, and EXFO equipment.
Enabling Researchers to Chase Electrons and Measure p: Precision Passive Components for Low-Noise, High-Fidelity Signal Acquisition
A practical engineering guide to selecting resistors, capacitors, and inductors that preserve signal integrity in ultra-low-noise measurement systems—covering thermal noise limits, parasitic effects, vendor-specific specs, and real-world validation data from cryogenic amplifiers to picovolt-scale electrochemical sensors.
Don’t Do It: Passive Component Coding Tricks That Compromise Circuit Reliability
A practical engineering guide exposing common passive component 'coding tricks'—like misreading capacitor voltage derating, ignoring ESR drift in aluminum electrolytics, or substituting 0603 resistors for thermal stress duty—that lead to field failures, thermal runaway, and premature warranty returns.
IMS 2016 Sees Chips and Instruments Targeting mmWave Applications
At the 2016 International Microwave Symposium in San Francisco, semiconductor vendors and test equipment manufacturers unveiled a wave of mmWave-integrated circuits, wafer-probe solutions, and calibrated instrumentation designed for 24–79 GHz bands — with emphasis on automotive radar (77 GHz), 5G channel modeling (28/39 GHz), and satellite communications (37–40 GHz). Key announcements included Analog Devices’ ADAR1000 beamformer IC, Keysight’s N5291A 110 GHz VNA, and Rohde & Schwarz’s FSW85 signal analyzer.
When Control Logic Support Transforms High-Level Synthesis Into Full-Chip Implementation
How modern HLS tools—like Cadence Stratus, Synopsys Synphony, and Siemens Precision RTL—now integrate control logic synthesis, enabling direct path from C++/SystemC to verified, timing-closed, power-optimized full-chip netlists with embedded memory, clock domains, and physical-aware placement.
Techxchange Source Measure Units: Precision, Integration, and Real-World Validation for Passive Component Characterization
A technical deep dive into Techxchange Source Measure Units—evaluating their architecture, accuracy specs, calibration traceability, and practical utility for passive component testing including resistors, capacitors, inductors, and ESD-sensitive devices.
The Sheldon Stokes Headphone Amplifier: A Deep Technical Review of a Legendary DIY Design
A rigorous engineering analysis of the Sheldon Stokes headphone amplifier — its topology, component selection rationale, measured performance metrics (THD+N < 0.0015% at 1 kHz, output impedance 0.42 Ω), real-world implementation challenges, and modern adaptations using Vishay BC337-40 transistors, Panasonic ECW-F series film caps, and Wima MKP10 capacitors.
16-Bit Inverting Buffer Line Drivers Span Wide Voltage Range: Design Considerations, Performance Trade-offs, and Real-World Implementation
A technical deep dive into modern 16-bit inverting buffer line drivers—covering voltage scalability (1.2 V to 5.5 V), propagation delay (<2.1 ns typical), drive strength (±24 mA), noise immunity (ΔV<sub>OH</sub> = ±30 mV at V<sub>CC</sub> = 3.3 V), and comparative analysis of TI SN74AVC16T245, ON Semiconductor NCN5150, and NXP NXH2016B. Includes layout guidelines, ESD robustness (HBM >8 kV), thermal derating curves, and signal integrity validation data.
Network-Based Lab Instrument Management Solution for Education: Scalable, Secure, and Pedagogically Aligned Infrastructure
A practical engineering analysis of network-based lab instrument management systems in academic settings—covering architecture, security, interoperability, cost modeling, and real-world deployment with Keysight, Tektronix, National Instruments, and Rigol equipment.
How Complementary MOSFETs Enhance LCD Power Efficiency, Signal Integrity, and Reliability
This article details how complementary MOSFET pairs—specifically matched N-channel and P-channel devices—solve critical challenges in LCD biasing, backlight dimming, and logic-level translation. Includes measured data from Vishay Si7157DP, Infineon BSC010N04LS, and ON Semiconductor NTMFS4C06N devices; thermal analysis; and layout best practices.
Requirements for Automotive Networking: Signal Integrity, Reliability, and Electromagnetic Compatibility in Modern Vehicle Architectures
A technical deep dive into the stringent electrical, thermal, mechanical, and regulatory requirements governing automotive networking—covering CAN FD, LIN, FlexRay, Ethernet AVB/TSN, and emerging 10BASE-T1S implementations across OEM platforms from BMW, Ford, and Toyota.
Electronic Design: ROHM Stakes Claim to the Lowest Power Op Amp — A Technical Deep Dive
ROHM Semiconductor has introduced the BD77501G, a rail-to-rail input/output operational amplifier boasting a record-breaking 360 nA typical supply current at 5 V—nearly half the power draw of competing ultra-low-power op amps from Texas Instruments, Analog Devices, and STMicroelectronics. This article analyzes its architecture, validates performance claims with bench data, compares key specs across six industry benchmarks, and evaluates real-world trade-offs in sensor interfaces, wearables, and energy-harvesting systems.
Keeping Daylight Saving Time or Abolishing Time Zones Altogether: A Circuit Engineer’s Perspective on Temporal Infrastructure
A rigorous technical analysis of daylight saving time and global time zone systems — evaluated through the lens of precision timing, synchronization reliability, and passive component behavior in real-world electronics infrastructure.
Apps Drive Innovation But The Design Environment Is Changing
How mobile and cloud-based engineering apps are reshaping passive component selection—accelerating prototyping while introducing new constraints in thermal management, signal integrity, and supply chain resilience.
What’s Happening With Smartphones and Tablets: Component Evolution, Thermal Realities, and Power Architecture Shifts
A circuit design engineer’s analysis of how smartphones and tablets are reshaping passive component requirements — from ultra-low-ESR polymer capacitors to 01005 ferrites, with real-world data on thermal derating, voltage ripple budgets, and PCB stack-up constraints.
Keysight and Nordsys Combine Forces to Deliver End-to-End C-V2X Testing Solutions for Automotive OEMs and Tier 1 Suppliers
A technical deep dive into the Keysight-Nordsys collaboration for C-V2X conformance, interoperability, and real-world performance validation—covering protocol stacks, RF parametric testing, GNSS simulation, and regulatory compliance across U.S. (5.9 GHz), EU (5.875–5.905 GHz), and China (5.850–5.925 GHz) bands.
Making a Locked-Down Wearable Work Without a Subscription: A Hardware Engineer’s Practical Guide
A technical deep dive into bypassing cloud dependency in proprietary wearables—covering hardware mods, firmware analysis, local data pipelines, and passive component selection for DIY telemetry interfaces. Includes real-world measurements, brand-specific teardown insights, and component-level design trade-offs.
150 W Power Supply Elevates Designs to CE Requirements: A Practical Engineering Guide
How selecting a certified 150 W AC/DC power supply—such as the TDK-Lambda CCG150 or Mean Well HLG-150H—enables robust compliance with EU CE marking directives, including EN 62368-1, EN 55032, and EN 61000-3-2. Real-world data, test margins, and design integration insights.
Seiko Instruments Selects Actel FPGA for High-Reliability Storage Viewers: A Deep Technical Analysis
An in-depth engineering analysis of Seiko Instruments' 2007 decision to integrate Actel’s ProASIC3 FPGA into its SVP-1000 series storage viewers—covering radiation tolerance, power efficiency, thermal performance, and system-level integration with Toshiba NAND flash and TI power management ICs.
Ultrathin Chip Capacitors: Critical Function and Selection Criteria in Smart Card Applications
Ultrathin chip capacitors enable reliable power integrity, EMI suppression, and RF coupling in ISO/IEC 7816-compliant smart cards. This article details their mechanical, electrical, and reliability requirements — including 0201 (0.6 × 0.3 mm) and 01005 (0.4 × 0.2 mm) footprints, X7R and C0G dielectrics, and voltage derating practices — with real-world data from Murata, TDK, and Samsung Electro-Mechanics.
Bigger Better Bucks: How Physical Size, Material Quality, and Layout Discipline Translate to Higher Efficiency in Buck Converter Inductors
A deep technical analysis of inductor selection for high-current buck converters—covering core geometry trade-offs, DC resistance vs. saturation limits, ferrite vs. powdered iron performance, and real-world measurements from Vishay IHLP, Coilcraft XAL, and Würth WE-PD series.
Small Capacitors That Withstand High Voltage: Design Realities, Material Limits, and Verified Performance Data
Engineers often assume small-form-factor capacitors cannot handle high voltage—but modern ceramic, film, and tantalum technologies prove otherwise. This article details verified voltage ratings, derating practices, failure mechanisms, and real-world test data from Murata, TDK, Vishay, KEMET, and Panasonic—equipping designers to select compact, reliable high-voltage capacitors without compromising safety or lifetime.
Electronic Design Mask Mandates, 2FA, and ChatGPT: What to Believe in Component Selection
A rigorous, evidence-based analysis of how semiconductor mask mandates, two-factor authentication policies, and AI-assisted design tools like ChatGPT impact real-world passive component selection — with verified data from TSMC, Texas Instruments, Murata, and NIST.
Start-Up Puts Focus on Safe Wire-Free Electric Power Technology
A new Silicon Valley–based start-up, PowerHarmonix, has launched with a mission to commercialize resonant magnetic coupling systems that deliver up to 100 W of power at distances up to 30 cm—without cables, without radiation hazards, and with certified Class 2 safety compliance. This article examines the engineering rigor behind their approach, compares performance against Qi v2.0, AirFuel Resonant, and WiTricity, analyzes thermal derating curves, FCC Part 18 and IEC 62368-1 certification pathways, and details real-world validation across medical, industrial, and consumer deployments.