Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
The latest addition to my lab equipment is a Keithley 230 programmable voltage source which can output up to ±100V. […]
Teardown of a Microwave I/Q Down Converter
I recently picked up a downconverter box on eBay. My original plan was to use the enclosure for another project […]
Teardown and Modification of an Electrophoresis Power Supply
Electrophoresis power supplies are commonly found in biology and other life sciences laboratories. These power supplies are usually capable of […]
LogiMetrics A300/S 2 – 4 GHz Traveling Wave Tube Amplifier – Repaired
In my previous blog posting, I did a teardown of a LogiMetrics A300/S 2 to 4 GHz Traveling Wave Tube […]
Teardown of a LogiMetrics A300/S Traveling Wave Tube Amplifier
I just picked up a LogiMetrics A300/S 2 GHz to 4 GHz (S band) traveling wave tube amplifier (TWTA) on […]
Teardown of a Spex HS1000 Monochromator Controller
Monochromator is one of those things that has always fascinated me. Over the years, I have done quite a few […]
Experiments with a Hydrogen Thyratron
I was doing some experiments which involves switching high voltages (>3 kV) under high current (>30 Amps) load. Although solid […]
Teardown of a Piezoelectric Vibrating Gyroscope
Gyroscopes nowadays are based on micro-electro-mechanical systems (MEMS) technology. They are low cost and extremely miniaturized. A device combing both […]
PLA Dielectric Strength Measurement
In my previous post, I designed and 3D printed a high voltage connector for my Bertan 225-20R high voltage power […]
3D Print an HV Connector
In one of my previous posts, I did a teardown of a Bertan 225-20R high voltage power supply, which is […]
Array 3711A Electronic Load Testing – Tips and Pitfalls
In my previous post, I did a teardown of my Array 3711A DC electronic load. And as I promised, this […]
Teardown of an Array 3711A 300W DC Electronic Load
I have made many electronic loads in the past. For instance this simple harddrive cooler housed small dummy load, this […]
Agilent U1731B LCR Meter Teardown
A couple of weeks ago, I got myself an Agilent U1731B LCR meter on eBay. These handheld LCR meters are […]
Interfacing a Noritake VFD Module with Arduino
I recently bought a Noritake-itron VFD module off eBay. Noritake-itron specializes in making vacuum fluorescent displays for many OEMs. As […]
Inside an Agilent 66312A Two-Quadrant Power Supply
Typically, a lab power supply can only operate within a single quadrant. Take a positive voltage power supply for example, […]