Blog

Siglent SPD1305X

kk99 — Tue, 09 Jun 2026 17:49:57 GMT

Today arrived my power supply, that bought few days ago. It was a good occasion to buy almost not used device in half of current price. The device is in the condition as described by the previous owner. It still has a product seal. After disass...(read more)

Analog Discovery 3 - oscilloscope noise floor

kk99 — Sun, 31 May 2026 18:38:28 GMT

Background Today I have checked the input noise floor of the oscilloscope channel in Analog Discovery 3. By default, both oscilloscope channel inputs of the Analog Discovery 3 are not shielded. It is mentioned in this thread: https://forum.digilent.c...(read more)

Reducing Common-Mode Noise with Ferrites

shabaz — Thu, 28 May 2026 15:49:46 GMT

Making low-noise measurements can be hard! Sometimes, if the device-under-test is small, I try to place it inside a shielded enclosure. There are some (+) Ideas on Building a Shielded Test Enclosure - element14 Community here. There was a r...(read more)

PicoScope 7: Overall, I am Impressed. But, What’s Your Opinion?

shabaz — Tue, 26 May 2026 19:36:46 GMT

Introduction I own a pretty old, portable PicoScope model (2000 series), which cost very little. Although I have larger desktop ‘scope options with screens, I still find that PicoScope gets used regularly. I’ve even written my own ‘...(read more)

MP710086 / MP710087: Lab Bench Power Supply Quick Review!

shabaz — Mon, 18 May 2026 20:35:38 GMT

I've desired a decent linear low-noise power supply for ages, and I think I've finally found one at a reasonable price. (Image source: Farnell website) It's actually been around for ages. fmilburn reviewed the 30V 5A ...(read more)

SPICE Circuit Simulation: A Simple Explanation!

shabaz — Tue, 14 Apr 2026 02:23:15 GMT

Table of Contents Introduction I Want to Try It, Now! SPICE Quick Overview Elementary Models Pin Ordering for Component Symbols An Entire Circuit Choosing and Running Simulations DC Voltages and Currents (Operating Point) Simulations Time-Domain (...(read more)

Researchers Create a New Technique That Produces MXenes with 160x Conductivity

Catwell — Thu, 09 Apr 2026 19:32:03 GMT

This image combines a scanning electron microscopy (left) and a crystallographic fragment of the MXene structure, highlighting its ordered and finely tuned surface terminations. (Image Credit: B. Schröder/HZDR) Researchers from Helmholtz-Zentru...(read more)

SHAHE Wireless Bluetooth Digital Calipers – A Quick Review

shabaz — Sat, 21 Mar 2026 13:15:58 GMT

Introduction I own two pairs of high-quality Moore & Wright calipers, which offer several advantages: an excellent LCD screen, soft-press buttons, and straightforward operation. However, there are some drawbacks. The battery compartment slide cov...(read more)

Pico SCPI labLib now has configurable USB IDs

Jan Cumps — Fri, 13 Mar 2026 15:22:25 GMT

Michael Stoops submitted pull requests to make a set of USB parameters configurable in your CMake file. What USB IDs can be configured? USB_VID USB_PID USB_MANUFACTURER USB_PRODUCT USB_SERIALNUMBER FW_VER_BCD FW_VER_STR Before&n...(read more)

Too Many Development Tools: How to Organize Them with Virtual Disks!

shabaz — Wed, 04 Mar 2026 16:16:06 GMT

Introduction I recently bought a new laptop to replace an ancient one, and this time decided to put more thought into how I organized things. A problem for me is that I tend to install a lot of software tools and integrated development environments (...(read more)

Weller ZeroSmog Guard fume filtration unit images

Jan Cumps — Sun, 22 Feb 2026 14:31:23 GMT

After the Micro Soldering Kit and Filtration Unit road test, I have a collection of unused photos of the Guard. Posting them here: For earlier photos, when I was setting up the system: Weller Micro Soldering Kit and Filt...(read more)

FSK Demodulation with R&S FPC Spectrum Analyzers, or How I Achieved an Optimal Room Temperature

shabaz — Tue, 20 Jan 2026 21:01:54 GMT

Introduction I wrote a review (and created a video) for a Rohde & Schwarz FPC series spectrum analyzer eight years ago, and although I explored some of the demodulation capability back then, I never used it for a real-life scenario. Fas...(read more)

Unlock the Secrets of Op Amps and Master Simulation with LTspice

Catwell — Tue, 28 Oct 2025 07:25:14 GMT

(Image credit: element 14) Operational amplifiers (Op Amps) are one of those fundamental building blocks found in just about every corner of electronics. They’re used to amplify, filter, and condition signals in everything from audio systems a...(read more)

Unboxing Video of TOMLOV 602 Flex

meera_hussien — Thu, 02 Oct 2025 19:45:15 GMT

Unboxing the TOMLOV 602 Flex digital microscope from TOMLOV. In this video, I’ll take you through the first look, what’s inside the box, a quick setup, and my initial impressions—especially for electronics work like SMD solderi...(read more)

Low-Cost Waveform Generators: Owon DGE1000 / DGE1030 AWG Review

shabaz — Sun, 15 Jun 2025 16:11:52 GMT

Table of Contents Introduction What is it? Motivation Unboxing Sine Wave Output 1.4 MHz Signal 10.7 MHz Signal 21.4 MHz Signal Internal Amplifier Noise Modulation Amplitude Modulation (AM) Frequency Modulation (FM) Low-Level Si...(read more)