Kerry D. Wong – Page 5

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 […]

In one of my previous posts, I did a teardown of a Bertan 225-20R high voltage power supply, which is […]

In my previous post, I did a teardown of my Array 3711A DC electronic load. And as I promised, this […]

I have made many electronic loads in the past. For instance this simple harddrive cooler housed small dummy load, this […]

A couple of weeks ago, I got myself an Agilent U1731B LCR meter on eBay. These handheld LCR meters are […]

I recently bought a Noritake-itron VFD module off eBay. Noritake-itron specializes in making vacuum fluorescent displays for many OEMs. As […]

Typically, a lab power supply can only operate within a single quadrant. Take a positive voltage power supply for example, […]

Have you ever wondered what is inside of a 15 year old commercial color projector? Well we will find out […]

I recently bought a few Peregrine Semiconductor‘s PE42420 RF Switch evaluation boards on eBay. The PE42420 is an absorptive SPDT […]

I did a teardown a while ago on a cheap eBay electromagnetic radiation detector, and if you recall the performance […]

IRIG time code generators (not to be confused with the ones used in video and film industry) are often used […]

I recently found a Hittite (acquired by Analog Devices in 2014) HMC624LP4E evaluation board gathering dust in my miscellaneous PCB […]

I bought a USB wall outlet adapter recently so that I can free up my wall outlets while charging my […]

Recently I got hold of a dead APC SurgeArrest power strip that was about to be thrown out in my […]

In my last post, I did a teardown of the Keithley 775A programmable counter/timer. And while feeding a 10 MHz […]