Teardown of an OWON HDS272S 3-in-1 Handheld Oscilloscope/DMM/AWG – Compared with Hantek 2D72

I recently got my hands on an OWON HDS272S, a top-of-the-line 3-in-1 handheld oscilloscope/digital multimeter/arbitrary waveform generator in OWON’s HDS2000 […]

Teardown of an RSRF Cross-Polarized Dual Band Cellular MIMO Panel Antenna

In this blog post, let’s take a look at a cross-polarized dual band MIMO Panel antenna that is designed for […]

Cel-Fi Go X Cell Signal Booster Extreme Teardown

About a year ago, I bought a Cel-Fi Go X signal booster for my house as where I live the […]

Teardown of a Hantek 2D72 3-in-1 Handheld Oscilloscope/DMM/AWG

Hantek‘s 2D72 (and 2D42) is the latest handheld oscilloscope in the 2000 series that combines an oscilloscope, a multimeter and […]

Teardown of an LW-3010EC Programmable Power Supply

I just received a Topshak LW-3010EC programmable power supply. Like many cheap lab power supplies out there, this is yet […]

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Visualizing a Full Bridge Rectifier

Full bridge rectifier (full-wave bridge rectifier, diode bridge or sometimes just simply referred to as bridge rectifier) is something that […]

Teardown of a Cel-Fi Go X Cell Signal Booster

In the area where I live, the cell phone reception is spotty at the best. Even though I am only […]

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 […]