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Application Notes

FM signal transmission and demodulation demo

FM signal transmission and demodulation demo

Solution: This application note is designed to show FM data transmission and modulation using some common test instruments. An FM transmission consists of a wave who's frequency is modulated, or changed, with respect to an input signal. If the input signal frequency changes, so does the carrier frequency. The modulating signal affects the FM deviation. The total deviation is a function of th...

FM signal transmission and demodulation demo

How to measure a filter using a DSA-815-TG Spectrum Analyser

Solution: This document provides step-by-step instructions on using the Rigol DSA800 series of Spectrum Analysers to measure the characteristics of an RF Bandpass filter. NOTE: The DSA must have a Tracking Generator to effectively perform the following test. ...

FM signal transmission and demodulation demo

How to measure an amplifier using a DSA-815-TG?

How to measure an RF Amplifier using a DSA800 Series Spectrum Analyser Solution: This document provides step-by-step instructions on using the Rigol DSA800 series of Spectrum Analysers to measure the characteristics of an RF Amplifier. In addition to the DSA-800 Spectrum Analyser, y...

FM signal transmission and demodulation demo

Keyless Entry System ASK/FSK Analysis

RIGOL Technologies extended the RF test system of DSA800 spectrum analyser with additional tests for passive key less entry systems. RIGOL’s test solution is very comfortable to use and much cheaper than other available test systems on the market. Passive keyless entry [PKE] communication is an electron...

FM signal transmission and demodulation demo

EMC Precompliance Testing

Why is Pre-Compliance Testing done? Almost any electronic design slated for commercial use is subject to EMC (Electromagnetic Compatibility) testing. Any company intending to sell these products into a country must ensure that the product is tested versus specifications set forth by the regulatory body of that country. In the USA, the FCC specifies rules on EMC testing. CISPR ...

FM signal transmission and demodulation demo

TX1000 Transmitter Education Testing Application Note

Transmitter Functionality – A Perfect Education Training with DSA800 and TX1000 Board In RF world one of the most interesting techniques is, how to transmit RF data and how does it work? Especially for education market RIGOL Technologies offers a perfect learning tool with spectrum analyser [SA] of ...

FM signal transmission and demodulation demo

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 ...

FM signal transmission and demodulation demo

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 ...

FM signal transmission and demodulation demo

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...

FM signal transmission and demodulation demo

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 ...

FM signal transmission and demodulation demo

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...

FM signal transmission and demodulation demo

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...

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