Measuring Cable Loss with a Spectrum Analyser

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Measuring Cable Loss with a Spectrum Analyser

Testing Cable Loss with a Spectrum Analyser Solution: A spectrum analyser with a tracking generator can be a useful piece of test gear. This application note covers making a simple loss measurement on a coaxial cable with BNC connectors. Required: – Two N-type to BNC Adapters. Select adapters that convert N-type (in/out connectors on most spectrum analysers) to the cable type you are testin...

Using probes with a Spectrum Analyser

Using a Passive Oscilloscope Probe with a Spectrum Analyser Solution: Spectrum Analysers are typically used to measure radio frequency (RF) signals. The signals are usually delivered to the RF input of the analyser with an antenna, magnetic probe, or using a cable with a matched impedance. This minimises impedance mismatching which lowers reflected power and provides the cleanest measurement. T...

Active loads and the DP800, DP1000 series of Power Supplies

Active loads and the RIGOL DP800 and DP1000 Series 1. 1. Introduction The RIGOL DP800 series and DP1000 series are programmable linear DC power supplies. They can only provide power for a pure load that does not have the ability to output a current. Active loads, such as those that can provide power (batteries, solar cells, etc..), should not be used with the DP800 series or DP1000 series po...

Converting DP800 Record *ROF Files

Reading Rigol DP800 Record (*.ROF) Files with Excel Solution: The Rigol DP800 series of power supplies have the option to data log the output voltage and current using the Record feature. This application note covers how to convert the binary file format native to the record file type (*ROF) to decimal using HxD (A hex-to-decimal software package) and the ReadDPROF file, a worksheet created ...

Temperature Measurement App Note

Every electrical and electronic device brought to market has to be classified and tested based on international guidelines, rules, critical values and safety conditions. Each instrument or device that passes is labelled with a special mark. In most of European countries, this will be declared by CE mark. In the US, there is an FCC approval as well as sometimes a UL listing. This identification has...

M300 System Measurement Primer

Introduction to data acquisition with Rigol’s M300 The M300 Data Acquisition System is designed for automated multichannel measurement and switch applications. This includes environmental measurements like temperature for burn in tests as well as voltage, frequency, or resistance measurements from a wide variety of sensors used from research to production test. These applications are actually v...

SiFi Technology in Arb Wave Creation

Introduction to Waveform Generator Technology Traditional function and arbitrary waveform generators have for many years been built on one common technology – DDS or Direct Digital Synthesis. DDS allows an instrument to create waveforms by tracking the phase of a reference clock and outputting the closest sample to the desired signal at each output sample time. DDS has enabled quality performan...

SiFi 2 Technology and 16 Bit Resolution App Note

Unique waveform reproduction technology RIGOL’s newest arbitrary waveform generators, the DG800 and DG900 Series, combine high resolution output and advanced filtering techniques in point-to-point waveform generation expanding the value of arbitrary waveform generators in test platforms. The DG800 and DG900 (shown in Figure 1) each have our new 16 bit output capability which improves the accura...

Advanced Embedded Debug with Jitter and Real-Time Eye Analysis

Introduction Debugging embedded communications is one of the most common tasks for electronic design engineers. Efficient Analysis of serial communications requires more than simple triggering and decoding but historically there has been a significant cost difference between the oscilloscopes with mixed signal, serial triggering, and serial decode capabilities and the high performance instruments...

Bode Plot Analysis of switching Power Supplies

Overview A Bode plot is a graph that maps the frequency response of the system. It was first introduced by Hendrik Wade Bode in 1940. The Bode plot consists of the Bode magnitude plot and the Bode phase plot. Both the amplitude and phase graphs are plotted against the frequency. The horizontal axis is lgω (logarithmic scale to the base of 10), and the logarithmic scale is used. The vertical a...

Debug & Analysis of IoT Power Requirements

Power and Function The relationship between power and function in an Internet of Things (IoT) project is perhaps the most fundamental trade-off a design team needs to address; therefore, it must be made with definitive, testable goals from the customer’s perspective. Expert product development always begins with the an IoT development where the final product is a wrapper around the ‘big idea�...

Utilising Deep Memory with Rigol DS1000 Oscilloscope

Long Memory Storage with Rigol Oscilloscopes Some Digital scopes offer the capability of capturing waveforms in Long Memory mode. Utilising the long memory, Rigol scopes can capture complex signals in great detail over extended time periods. This allows an observer to examine high frequency effects within the captured waveform. How to use Long Memory Mode on the DS1000D/E Series scopes? Ent...

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