Application Notes , Telonic Instruments Ltd , Page 2
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Application Notes

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Secure products without K-lock slots

Many products have Kensington, or K-lock slots to help provide a location to secure a cable lock or other device to help prevent theft. Some products do not have locations for cable lock connections. In this case, we recommend using a special glue or physical attachment system to secure the cable to the case of the instrument. Here is an example: https://www.kensington.com/p/products/s...
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AWG Basics

Many electronic designs feature the ability to monitor or measure input signals and then perform another task or function based on that input signal. A simple example could be a circuit that looks for an input voltage to exceed a specific amount and triggers another action after it occurs. In such cases, having the ability to configure and deliver a known or simulated signal can be a critical addi...
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The basic output waveform and related parameters of the arbitrary waveform generator

Traditional function generators can output standard waveforms such as sine waves, square waves, and triangle waves. However, in actual test scenarios, in order to simulate the complex conditions of the product in actual use, it is often necessary to artificially create some “irregular” waveforms or add some specific distortion to a waveform. Traditional function generators can no longer meet t...
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Generating an Activation Code (Option Code)

Introduction Many SIGLENT products have options that can be activated by entering a special activation code into the front panel. This note covers how to generate the activation code.   Setup Contact your Authorised SIGLENT sales office or distributor to obtain an Option Card. This is typically a document that is emailed as a PDF. A typical Option Card will contain the followi...
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EasyPulse Technology and Its Benefits

INTRODUCTION: The majority of modern arbitrary/function waveform generators utilise DDS technology (Direct Digital Synthesis), but there are a few obvious defects using this technology directly. To solve these disadvantages, SIGLENT invented a pulse generating algorithm called EasyPulse technology. In this note, we will describe the basics of DDS and how EasyPulse can help get the best performa...
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Analysing GSM Radio Protocol with a Siglent Oscilloscope

This updated case study uses a legacy GSM handset to demonstrate a still-relevant measurement method: correlate analogue baseband activity, radio state changes and supply current on one timebase. The cellular technology is historical, but the workflow applies to modern radios, wireless sensors and battery-powered embedded products. Treat the handset and its measured values as the worked examp...
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Programming Example: Retrieve data from an XE series Oscilloscope using Kotlin

The SDS series of oscilloscopes all feature remote programming and data collection capabilities. They can be integrated easily into many automated test environments to ease the setup and data acquisition during testing. One of our helpful customers developed a nice programming example designed to set up and retrieve data from a SIGLENT SDS1202X-E Oscilloscope using Kotlin, a free open source c...
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Comparison / Differences between the SDS1000X and SDS1000X-E oscilloscope families

The original SDS1000X versus SDS1000X-E comparison has reached the end of its useful life as a buying guide. A current entry-level decision is better framed around measurement quality, channel count, memory, protocol tools and workflow rather than two superseded families. Start with the measurement, not the badge 12-bit captureMore vertical codes can reveal small changes on larger signals,...
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Programming Example: List connected VISA compatible resources using PyVISA

PyVISA is a software library that enables Python applications to communicate with resources (typically instruments) connected to a controlling computer using different buses, including: GPIB, RS-232, LAN, and USB. This example scans and lists the available resources. It requires PyVISA to be installed (see the PyVISA documentation for more information) *** #Example that scans a compute...
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SDS FFT performance on low frequency signals

Like many modern oscilloscopes, the SIGLENT SDS series feature FFT math functions that calculate frequency information from the acquired voltage vs. time data. FFT stands for Fast Fourier Transform, and is a common method for determining the frequency content of a time-varying signal. Converting time domain data to the frequency domain makes measuring characteristics like phase noise and harmonics...
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Programming Example: SDS Oscilloscope screen image capture using Python over LAN

Here is a brief code example written in Python 3.4 that uses a socket to pull a display image (screenshot) from a SIGLENT SDS1000X-E scope via LAN and save it to the local drive of the controlling computer. NOTE: This program saves the picture/display image file in the same directory that the .py file is being run from. It will overwrite any existing file that has the same name. Download P...
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Measuring Power Supply Control Loop Response with Bode Plot II

Introduction Stability is one of the most important characteristics in power supply design. Traditionally, stability measurements require expensive frequency response analysers (FRA) which are not always available in a laboratory. SIGLENT has released Bode Plot Ⅱ features to the SIGLENT SDS1104X-E, SDS1204X-E, SDS2000X-E, SDS2000X Plus, and SDS5000X series of oscilloscopes. When combined with...