9013 Results
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
Accessing Measurement Data and Controlling the Vector Network Analyzer via DDE
31-Jul-1998 | AN-No. 1EZ33
ANSI/SCTE 40 Conformance Testing Using the R&S SFU, R&S SFE and R&S SFE100
29-Oct-2009 | AN-No. 7BM68
RF system noise contributions define receiver capabilities and sensitivity. The noise figure measures how the critical components affect the signal.
28-Jan-2022
Generation and Analysis of ZigBee™ IEEE802.15.4 signals in the 2.4 GHz band
21-Jun-2007 | AN-No. RSI03
Double frequency range for R&S Signal Generators
20-Apr-1998 | AN-No. 1GPAN03
Rohde & Schwarz Drivers under VEE - Installation and Troubleshooting
20-Dec-2012 | AN-No. 1MA035
Welcome to this introductory video show about the R&S ZVA family of network analyzers.
13-Feb-2014 | AN-No. 1MA50
Smartly verify and decode Bluetooth® Low Energy (BLE) transmit signals with a reliable and costefficient spectrum analyzer – the R&S®FPC.
17-May-2018
Monitoring on up to 10 000 channels with different parameter settings
13-Jul-2012
This application note explains how to setup R&S®AdVISE to monitor the temperature of an EUT by using an infrared camera.
14-Sep-2020 | AN-No. 1S008
This paper describes the characterization of aluminum electrolytic capacitors specifically used in AC-DC power converter applications. It will be discussed why this capacitor technology is critical regarding lifetime and why it cannot be substituted simply by any another capacitor technology. Different aging effects of the capacitor will be discussed. Usage of the capacitor in different AC-DC converter topologies will be presented. Simulation circuits will be used to analyze the capacitor in more detail before suitable measurements will be performed to demonstrate a real example of a switching-mode power supply (SMPS).After the introduction into the aluminum electrolytic capacitor basics and theory, this paper will also present all important and possible measurements of capacitor parameters, like capacitance, equivalent series resistance (ESR) and ripple current. This includes in-circuit measurement which can be performed with an oscilloscope. An LCR-bridge is used to obtain high accuracy measurements in addition. A comparison between the two measurement methods will be presented. Furthermore, the required measurement hardware for the in-circuit measurements and the bridge measurement will be discussed and presented.Lastly, two different lifetime calculation methods are presented and a real example is used to compare the advantages and disadvantages of the different methods.Thanks to Mr. Frank Puhane from Würth eiSos GmbH & Co. KG who provided me with all aluminum electrolytic capacitor samples including the prepared capacitor with build-in temperature sensors to perform all measurements. Furthermore, his great expertise was very beneficial and helpful to create this premium application note.
07-Feb-2023 | AN-No. 1SL388
Operating Guide for WCDMA Test Setup according to 3GPP TS34.121
15-Apr-2009 | AN-No. 1CM71
In this paper, we present the performance and the basic control of a MNA used for automatic spectrum clearance in LTE and 5G systems.Automatic spectrum clearance is a method to mitigate spectrum interference by the use of a mobile network analyzer (MNA).
02-Oct-2017 | AN-No. 1MA293
Test of DVB-H Capable Mobile Phones in Development and Production
07-Apr-2005 | AN-No. 1MA91
In this paper we will review the basics of spurious measurements and how the parameters used can affect the detection performance.
14-Jul-2017 | AN-No. 1EF97
The application fields of oscilloscopes extend to EMI debugging because of their powerful and easy-to-use FFT analysis capabilities– and save time and money.
23-Sep-2019
Remote Emulation with the R&S SMA100B Signal Generator
11-Dec-2019 | AN-No. 1GP120
Remote Emulation with the R&S<sup>®</sup>SMA100A Signal Generator
17-Aug-2015 | AN-No. 1GP93
Noise Power Ratio Signal Generation and Measurement
Noise Power Ratio is a tool for WinIQSIM™ to generate noise power ratio stimulus signals and measure the resulting noise power ratio of a device.
06-Nov-2015 | AN-No. 1MA29
Connecting simulation and measurements on physical devices
This application note is based on collaborative work between MathWorks® and Rohde & Schwarz. The focus is on linearization of a non-linear device, in our case the RF power amplifier.
05-Aug-2021 | AN-No. 1SL371
The track functionality of the R&S®RTM3000 and the R&S®RTA4000 oscilloscopes is a great feature for displaying any varying PWM signal versus time in various applications.
25-Sep-2019
This application note provides information how to perform noise figure measurements under pulsed or bursted conditions with spectrum analyzers and noise sources.
28-Jun-2018 | AN-No. 1EF103
Measurements on 3GPP WCDMA User Equipment According to Standard TS 34.121
10-Dec-2008 | AN-No. 1MA68
Measurement of the phase difference between the MIMO layers is a challenging task in the design of 5G base stations. However, this measurement and its analysis can be easily accomplished using the R&S®NRQ6 frequency selective power sensor and R&S®VSE signal explorer software.
14-Jan-2022
Buffer Analysis MPEG-2 TS Analysis & Monitoring
23-Mar-2006 | AN-No. 7BM53
Signal generators and signal analyzers help open up the Wi-Fi 7 signal world and allow initial component and module testing for this new standard.
30-May-2022
Simultaneous DL throughput verification and UL transmission testing with the R&S®CMW500
29-Jul-2009
Current radar development is focusing on the area of signal processing. This is taken into account by this educational note, where the R&S®SMW / SMBV instruments on the transmitter side and R&S®FSW / FSV instruments on the receiver side are combined to a closed loop Radar system.
20-Nov-2014 | AN-No. 1MA234