Lambda LQ-521 Power Supply Teardown and Repair
I bought a non-working Lambda LQ-521 linear power supply on eBay a couple of weeks ago. Usually I avoid knowingly […]
RSA SecurID Teardown
I did a teardown of an RSA SecurID many years ago (you can see that post here). In that teardown, […]
DTM0660 Datasheet Translated
I have received quite a bit of positive feedback since I wrote about the hacks on DTM0660L based multimeters last […]
Hacking DTM0660L Based Multimeters
In my previous post, I did a review of the 6000 counts ennoLogic eM860T true RMS multimeter. This meter is […]
Quick Review of the ennoLogic eM860T True RMS Multimeter
I picked up an autoranging True RMS multimeter from ennoLogic a couple of weeks ago. Before this purchase, I actually […]
Teardown of an 8-10 GHz RF Isolator
I did a teardown video of a microwave range (8-10 GHz) RF isolator last week. As a follow up, I […]
Teardown of a Tektronix 2465
Today at a time when digital storage oscilloscopes (DSO) are almost ubiquitous, analog scopes like Tektronix 2465 remain popular among […]
Keithley 706 RTC Upgrade – How to Make Any Clock More Accurate
The builtin real-time clock (RTC) in my Keithley 706 works rather nicely as a clock in my lab when the […]
Reverse Engineering a Wavetek OCXO Board
I bought a Wavetek OCXO board a long while ago. My original plan was to remove the onboard crystal oven […]
Building A Tracking Generator
In this blog post, I will show you how to build a 0 to 5.8 GHz tracking generator for the […]