2026-10-11 22:35:00
Quiescent Current, PSRR and Single-Supply Biasing: An Op-Amp Power Budget
Iq, supply rejection and virtual-ground biasing decide battery life. How to build a real power...
2026-10-11 22:28:00
Why Op-Amps Oscillate: Capacitive Loads, Phase Margin and the Noise-Gain Trap
Stability is a property of the loop, not the part. Phase margin, the noise-gain trap...
2026-10-11 22:21:00
Op-Amp Noise Budget: Voltage Noise, Current Noise and the 1/f Corner
Total noise is three terms added in quadrature, and source impedance decides which dominates. How...
2026-10-11 22:14:00
Rail-to-Rail Op-Amps: Calculating Real Input Common-Mode Range and Output Swing
Rail-to-rail is a claim, not a guarantee. How input common-mode windows and load-dependent output swing...
2026-10-11 22:07:00
Gain Bandwidth Product vs Slew Rate: Which Spec Limits Your Circuit First
GBW is a small-signal promise, slew rate is a large-signal limit. How to calculate full-power...
2026-10-11 22:00:00
Op-Amp Offset Voltage and Drift: The DC Error Budget Behind Every Reading
Offset voltage is a fixed DC error; drift is a moving one. How to turn...
2026-09-30 13:05:00
Digital Isolators vs. Optocouplers: Specifying Isolation for Modern Industrial Buses
Galvanic isolation selection: CMTI, propagation delay, power and lifetime trade-offs between optocouplers and digital capacitive...
2026-09-28 13:05:00
Transimpedance Front Ends: Reading Photodiodes and Current-Output Sensors with Precision Op-Amps
TIA design fundamentals: stability vs CF selection, bias and dark-current error, noise gain peaking, and...
2026-09-25 07:00:00
Constant-Current LED Driver ICs: Buck and Boost Topologies for Lighting
LEDs want current, not voltage. A topology guide to buck and boost constant-current drivers using...
2026-09-25 06:00:00
Charge Management and Current-Sense ICs for Portable and Battery Devices
Linear charge ICs and current-sense amplifiers are the quiet pair behind every battery product. How...
2026-09-25 05:00:00
Buck Converter Basics: Choosing Between Synchronous and Asynchronous Buck ICs
Step-down converters are everywhere, but the synchronous/asynchronous fork changes efficiency, cost and BOM. A practical...
2026-09-25 04:00:00
Boost Converter ICs: Synchronous vs Asynchronous Topologies Compared
Integrated-MOSFET or external switch, synchronous rectification or a Schottky? A topology walk-through using Feeling Technology's...
