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Kerry D. Wong

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Category: Product Reviews

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SV6301A Handheld Vector Network Analyzer Teardown Pictures

October 15, 2023October 27, 2023 kwong

SV6301A is a handheld vector network analyzer from SYSJOINT. It has a 7 inch touch screen and has a frequency […]

Electronics, Product Reviews 18650, ADL5801, AP2007, ARM9, EA3036C, Handheld, HC32F460, Lithium Ion, LVDS, MAX2870, MP2617, MS5351M, MS90C385B, MXD8641, Q2022, SV6301A, Sysjoint, Vector Network Analyzer, VNA

Teardown Pictures of an HT118A Multimeter

November 26, 2020November 26, 2020 kwong

I did a review and teardown of an HT118A multimeter. It is a rather generic 6000 counts true RMS auto-ranging […]

Product Reviews HT118A, Multimeter

Teardown of a Cel-Fi Go X Cell Signal Booster

July 5, 2020July 7, 2021 kwong

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

Product Reviews, Teardowns ASIC, Cel-Fi, Downlink, Echo Cancellation, ETSI, FCC, Go X, IP66, Jitter, LNA, LPDA, Matched Filter, Multi-Path Fading, NEMA 4, Nextivity, PCI, Repeater, RSRP, RSRQ, RSSI, Signal Booster, SINR, Teardown, Uplink, Yagi

Teardown of a GM3120 Electromagnetic Radiation Tester

May 20, 2018May 20, 2018 kwong

There are a lot of cheap electromagnetic radiation testers out there which boast some quite impressive claims. So I decided […]

Product Reviews, Teardowns 27M2C, 2C3356, 8052, Electromagnetic, Electromagnetic Radiation Tester, Field Strength Meter, GM3120, HT1621, WT56F216

A Quick Look at the M5Stack ESP32 Development Kit

April 30, 2018 kwong

I recently received an M5Stack ESP32 development kit from Banggood. Although I have not used any ESP32 based development boards […]

Electronics, Product Reviews Arduino, Bionic Beaver, ESP32, IoT, Linux, M5Stack, Ubuntu, Ubuntu 18.04

Teardown and Testing of an 800W PureSine Inverter

October 1, 2017October 2, 2017 kwong

The last ingredient for my backup power project is an inverter. Since the battery bank I built is a 12V […]

Electronics, Product Reviews, Teardowns ASIC, Autotransformer, Efficiency, EG8010, FGA40N65, IGBT, Inverter, IRF4368, KA7500, MUR860, PureSine, ReliableElectric, Teardown, Testing, VARIAC

BSide ACM03 Plus Clamp Meter Review and Teardown

July 23, 2017 kwong

I recently purchased a BSide ACM03 Plus clamp meter so that I could do some high current measurements for my […]

Electronics, Product Reviews ACM03, ACM22A, BSide, Clamp Meter, Hall Effect, Multimeter, Review, Teardown

Quick Review of the ennoLogic eM860T True RMS Multimeter

March 13, 2016 kwong

I picked up an autoranging True RMS multimeter from ennoLogic a couple of weeks ago. Before this purchase, I actually […]

Electronics, Product Reviews 24C02A, DTM0660L, eM860T, ennoLogic, Multimeter, Review, Tekpower TP40, True RMS, UNI-T 139C, Velleman DVM4100

Exploring the Battery Option of the EDC/Krohn-Hite MV216A DC Voltage Standard

November 9, 2015November 21, 2015 kwong

In my previous blog post, I did a teardown of the EDC/Krohn-Hite MV216A DC voltage standard and measured the temperature […]

Electronics, Product Reviews Battery Option, EDC, Electronic Development Corporation, Krohn-Hite, MV 216A, MV216A

HP 5350B Microwave Counter Teardown

June 29, 2014June 29, 2014 kwong

Here is a teardown you do not see very often. I recently bought an HP 5350B 20 GHz microwave counter […]

Electronics, Product Reviews Frequency Counter, HP 5350B, Microwave Counter, OCXO

BK 4011 Function Generator Teardown

April 4, 2013December 23, 2014 kwong

I got a used BK Precision 4011 5MHz function generator recently. The 4011 model is rather old and this particular […]

Miscellaneous, Product Reviews, Teardowns BK 4011, Function Generator, MM5369, Teardown

Topward 6603A Linear Power Supply Teardown

December 1, 2012April 25, 2013 kwong

I bought a used Topward 6603A lab power supply from eBay a couple of weeks ago and thought I would […]

Electronics, Product Reviews, Teardowns Linear Power Supply, Topward 6000, Topward 6603A

Prototyping With Schmartboard Arduino Shield Board

September 19, 2012October 9, 2012 kwong

Neal at Schmartboard sent me a 0.65mm pitch Arduino prototyping shield kit a few weeks ago. I had meant to […]

Product Reviews Arduino, Prototyping, SchmartBoard, shield

MaxiScan MS300 ODB II Reader Teardown

August 22, 2012April 25, 2013 kwong

I bought an ODB II code reader to diagnose a check engine light problem of my car. The reader I […]

Miscellaneous, Product Reviews, Teardowns 8051, JHD571, MaxiScan MS300, OBD II

Inoperative By Design

July 16, 2012 kwong

I recently bought two cheap webcams on Amazon and was planning to do some experiments with a dual webcam configuration. […]

Miscellaneous, Product Reviews 24LC16B, AV316, Webcam

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