Non-destructive Testing of Fuses
A fuse is a sacrificial device for the protection the rest of the circuit in an over-current situation. There are […]
Making an OBD-II Solar Trickle Charger
I have been travelling quite a bit for the last year or so and have not been able to drive […]
Teardown of an Amrel PPS 35-2 Programmable Power Supply
A while back, I did a teardown on a dual-channel Amrel PPS-2322 programmable power supply, and was quite impressed by […]
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 […]