Archive for March 2016

Hacking DTM0660L Based Multimeters

In my previous post, I did a review of the 6000 counts ennoLogic eM860T true RMS multimeter. This meter is based on a signal chip design using the versatile DTM0660L DMM chip. Besides the ennoLogic eM860T, several other multimeters such as UNI-T 139C, Velleman DV4100, Tekpower TP40 etc. are also based on the same chip. Continue reading ‘Hacking DTM0660L Based Multimeters’ »

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 had never heard of ennoLogic. But the design and spec of the meter looked quite good and the selling price was not bad for a 6000 count meter at all. So I bought one to try out. Continue reading ‘Quick Review of the ennoLogic eM860T True RMS Multimeter’ »

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 will post some of the high-resolution pictures I took during the process here (click to see larger images). Continue reading ‘Teardown of an 8-10 GHz RF Isolator’ »