11 Results
Stable operation in all circumstances is essential for power converters. Different working conditions, such as load steps, startup/shutdown sequences and input voltage variation, apply to most converter types. In addition to the standard feedback control loop, integrated pulse width modulation (PWM) controllers provide extended functions, such as line feed-forward loop control and soft-start control.
11-Oct-2023
EMI debugging using fast FFT with MXO oscilloscopes
07-Feb-2024
Sometimes auxiliary functions generate emissions infrequently, making it challenging to locate and isolate the root cause. An instrument with a very fast FFT analysis capability is essential to find infrequent events efficiently.
03-Mar-2023
Power converters with a full-bridge topology are frequently used in telecommunications and servers that need to be compact, efficient and cost sensitive, making them more complex. Switching patterns for all the main primary switches including synchronous rectifier switches need to be validated after the first protype is built. This complex validation requires proper measurement of switching patterns to prevent catastrophic switching patterns. Expertise and the right measurement tools are essential when identifying unexpected events in the converter switching process.
17-Jan-2024
Load transient response – enhancing loop stability testing
09-May-2023
Optimizing electric drivetrains with MXO oscilloscopes
12-Mar-2024
An offline AC/DC switching converter has no separate bias power supply that provides power to the control integrated circuit itself. Here, an auxiliary primary winding and discrete components are added to supply power to the control circuit. Verifying this circuitry is essential and requires accurate and detailed signal level and timing measurements. The startup sequence takes a long time, which needs to be taken into consideration in the measurement and requires an instrument with sufficient memory.
23-Nov-2022
Easy power sequencing and ripple noise analysis with MXO oscilloscopes
22-Apr-2024
Selecting You Next Oscilloscope:
If you are selecting your next oscilloscope and want more insight on how to understand ENOB values measured and published by oscilloscope manufacturers, this document is for you. The effective number of bits (ENOB) is a way of quantifying the quality of analog to digital conversion. A higher ENOB means that voltage levels recorded in analog to digital conversion are more accurate. Understanding oscilloscope vendor-supplied ENOB values can be complex. This document focuses on interpretation of measured ENOB results made on oscilloscopes rather than the math behind ENOB calculations.
21-Jun-2024 | AN-No. 1TD12
Rohde & Schwarz offers a powerful tool for remote control of their oscilloscopes - the RsInstrument Python module. This module enables users to control and automate their Rohde & Schwarz test & measurement instruments, including oscilloscopes, through Python scripts or interactive console communication.
14-Dec-2023