The Siglent blog

20 August 2021

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…

20 August 2021

Analysing GSM Radio Protocol with a Siglent SDS2000X Plus Oscilloscope

We took a retired Siemens A36 cellphone to learn the capabilities of this new Siglent scope. Available documentation and medium-density PCB of the selected A36 made the signal probing easy to implement.…

20 August 2021

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.…

20 August 2021

Comparison / Differences between the SDS1000X and SDS1000X-E oscilloscope families

The short list of differences between the X and the 2 channel XE (SDSs1202XE) is as follows: – X has 50 ohm/ 1 MOhm selectable input impedance. XE only has 1 MOhm…

20 August 2021

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…

20 August 2021

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…

20 August 2021

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…

20 August 2021

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…

20 August 2021

Measuring the Modulation Index of an AM Signal using an FFT

Introduction In AM schemes, the modulation index refers to the amplitude ratio of the modulating signal to the carrier signal. With the help of Fast-Fourier-Transforms (FFT), the modulation index can be obtained…

20 August 2021

Programming Example: SDS Oscilloscope save a copy of a screen image via Python/PyVISA

Here is a brief code example written in Python 3.4 that uses PyVISA to pull a display image (screenshot) from a SIGLENT SDS oscilloscope via USB and save it to a drive…