Sarah Miller
Hardware Design & Applications WriterSarah Miller is a hardware design and applications writer specializing in practical circuit use cases, embedded systems, sensors, power management, and interface components. She focuses on explaining how electronic components are used in real products and industrial systems. Her content covers application notes, design considerations, component comparison, common circuit functions, and system-level integration. Sarah aims to help engineers quickly understand where a component fits, what parameters matter, and how to evaluate alternatives during the design process.
Articles by Sarah Miller 10
Low-Pass vs High-Pass Filter: Differences, Circuits, Cutoff Frequency, and Applications
Learn how low-pass and high-pass filters differ, how their RC circuits work, how to calculate cutoff frequency, and how to select the right filter for signal conditioning, audio, ADC, power, and RF applications.
NRND vs EOL vs Obsolete: What BOM Owners Should Do at Each Stage
NRND, EOL, and Obsolete are three different lifecycle stages with three different clocks. This guide maps each status to concrete actions for new designs, active production, and service obligations.
RF Transceiver vs RF Module vs RF Switch: What Is the Difference?
Compare RF transceivers, RF modules, and RF switches. Learn what each part does, how they work together, and which one your wireless design needs.
DDR4 vs DDR5: Key Differences in Speed, Latency, Power, Capacity, and Compatibility
DDR5 is the newer memory standard, offering higher bandwidth, lower nominal operating voltage, improved module architecture, and better capacity scaling than DDR4. However, DDR4 remains widely used in existing PCs, embedded systems, industrial equipment, and cost-sensitive platforms. The best choice depends on your motherboard, processor, workload, budget, and long-term sourcing requirements.
STM32F103C8T6 Alternatives: How to Choose C8T6, CBT6, RBT6, RCT6, and RET6
Compare STM32F103C8T6 alternatives including STM32F103CBT6, STM32F103RBT6, STM32F103RCT6, and STM32F103RET6. Check Flash, package, pin count, firmware, and sourcing risks.
STM32F103C8T6 Datasheet, Pinout, Specs, and LQFP-48 Package Guide
STM32F103C8T6 is a popular STMicroelectronics 32-bit ARM Cortex-M3 microcontroller in an LQFP-48 package. This guide summarizes its datasheet, pinout groups, key specifications, package details, applications, and sourcing notes.
How to Find Pin-Compatible Alternatives for Obsolete ICs
Finding a pin-compatible alternative for an obsolete IC is not just about matching the package. It requires a structured review of pinout, footprint, electrical parameters, functional behavior, lifecycle status, sourcing reliability, and sample validation.
What Is a Product Change Notification? A Practical Guide for Engineers and Buyers
A practical guide to product change notifications, including PCN definition, common change types, required review items, impact assessment, and response workflow.
How to Evaluate New Product Releases, EOL Notices, and Datasheet Changes
Learn how engineers and buyers should evaluate new component releases, EOL notices, product change notifications, and datasheet revisions before sourcing or redesign.
How to Choose Electronic Components for Reliable Hardware Design
Learn how to choose electronic components for reliable hardware design, including specifications, lifecycle status, sourcing risks, quality checks, and BOM optimization.