Application Notes – Page 4 – Telonic Instruments Ltd

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Application Notes

EMC Precompliance: Conducted Emission Testing

EMC Precompliance: Conducted Emission Testing

EMC Precompliance Testing: Conducted Emissions Electromagnetic Interference (EMI) can cause undesirable effects on electronic products. These effects can range from annoying glitches to rendering a product unusable. In an effort to minimise these issues, countries have established standards and limits to products that are being sold within that market. This Electromagnetic ...

EMC Precompliance: Conducted Emission Testing

EMC Precompliance: Near Field Probes

EMC Pre-Compliance Testing: Near Field Probing Solution: Electronic products can emit unwanted electromagnetic radiation, or electromagnetic interference (EMI). Regulatory agencies, such as the FCC in North America, create standards that define the allowable limits of EMI over specific frequency ranges. Testing designs and products for compliance to these ...

EMC Precompliance: Conducted Emission Testing

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...

EMC Precompliance: Conducted Emission Testing

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 ...

EMC Precompliance: Conducted Emission Testing

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 ou...

EMC Precompliance: Conducted Emission Testing

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 ty...

EMC Precompliance: Conducted Emission Testing

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...

EMC Precompliance: Conducted Emission Testing

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 resi...

EMC Precompliance: Conducted Emission Testing

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 enabl...

EMC Precompliance: Conducted Emission Testing

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...

EMC Precompliance: Conducted Emission Testing

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 capabilit...

EMC Precompliance: Conducted Emission Testing

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 l...

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