Operating Tips

DC Power Supplies

Are your instruments FCC compliant?

December 14, 2018

Test and measurement equipment is exempt from FCC emissions limits per CFR 47, Part 15, para 15.103(c): https://www.gpo.gov/fdsys/pkg/CFR-2002-title47-vol1/pdf/CFR-2002-title47-vol1-sec15-103.pdf Specifically: “(c) A digital device used exclusively as industrial, commercial, or medical test equipment.”

SPD3303-C Power Supply is stuck in Constant Current (CC) mode

November 9, 2018

The most common reason that the SPD3303-C is stuck in constant current mode (CC.. indicated by a red LED between the channel outputs) is an incorrect voltage setting on the inputs. Here is a picture of the voltage settings at 220 V, but with 120 V input power: Note that with no load attached, the … Continued

USB Connectivity Checklist

April 24, 2018

The Universal Serial Bus (USB) is very popular and has added a tremendous level of convenience and flexibility to computer and peripheral controls, including test and measurement instrumentation. As with all technology, it isn’t always sunshine and blue skies. Here are some common troubleshooting steps for USB connection issues: – Is the instrument plugged in … Continued

Potential Solutions to Easy software window rendering/font issues

March 8, 2018

The installation of SIGLENT EasySpectrum and other “Easy” software is typically uneventful. But, there may be an occasional issue. Here are some steps that may help clear up any issues that you may encounter: Here is an example of a mis-rendered window view of EasySpectrum: Here are some steps that may help fix the issue: … Continued

What instruments accept SCPI commands for remote control?

October 25, 2017

All SIGLENT instruments (except for the SHS1000 and SHS800 hand-held oscilloscopes) support SCPI remote control commands. For more information, download the specific instrument programming guide located on the product page.

How to update the firmware on an SPD3000 Series power supply

October 25, 2017

The SIGLENT SPD3000 series of power supplies can be upgraded remotely using a computer, USB cable, and SIGLENT EasyPower software. 1. Download EasyPower from the firmware & software tab of the SPD Product Page 2. Download the latest firmware from the firmware and software tab of the SPD Product Page. Unzip the file using a … Continued

What is the difference between a switching and linear power supply?

October 24, 2017

Linear DC regulated power supplies (“linear supplies”) alter the output voltage to the required value through the power frequency (50/60 Hz alternating current) voltage transformer. After being lowered (or raised) to the appropriate AC voltage value, the waveform is rectified, filtered, and stabilized by a voltage regulation circuit, and is then output as a regulated … Continued

How to install the USBTMC driver

October 24, 2017

SIGLENT Technologies uses a broad range of products that utilize the USBTMC unified protocol to communicate with the host computer and control. Users can use SIGLENT provided PC software to send commands to remotely control the instrument. In addition, you can use NI-MAX (National Instruments Measurement and Automation Explorer) for instrument control. Here is an … Continued

Calibration Traceability

October 23, 2017

Excerpt from the ANSI-ASQ National Accreditation Board: http://anab.org/news/newsletter/winter-2014/nist-traceability-statements NIST Traceability Statements Many calibration customers request on their accredited calibration certificates a statement that the measurement is traceable to the National Institute of Standards and Technology (NIST). They want assurance that the standards used for the calibration are ultimately traceable to the International System of Units … Continued

Do all SIGLENT products support SCPI?

September 29, 2017

What instruments accept SCPI commands for remote control? All SIGLENT instruments (except for the SHS1000 and SHS800 hand-held oscilloscopes) support SCPI remote control commands. For more information, download the specific instrument programming guide located on the product page.