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"published_at": "2019-05-05T12:55:58+00:00" }, { "id": "01a0bb5b-a2eb-723d-b014-6c9e79e6482e", "title": "Teardown of a LogiMetrics A300/S Traveling Wave Tube Amplifier", "url": "http://www.kerrywong.com/2019/04/28/teardown-of-a-logimetrics-a300-s-traveling-wave-tube-amplifier/", "published_at": "2019-04-29T00:38:41+00:00" }, { "id": "01a0bb5b-a2eb-723d-b014-6c9e7a2bee09", "title": "Teardown of a Spex HS1000 Monochromator Controller", "url": "http://www.kerrywong.com/2019/03/30/teardown-of-a-spex-hs1000-monochromator-controller/", "published_at": "2019-03-30T17:03:55+00:00" }, { "id": "01a0bb5b-a2eb-723d-b014-6c9e7a3c81cc", "title": "Experiments with a Hydrogen Thyratron", "url": "http://www.kerrywong.com/2019/03/03/experiments-with-a-hydrogen-thyratron/", "published_at": "2019-03-04T01:20:01+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40b9e0055c8", "title": "Teardown of a Piezoelectric Vibrating Gyroscope", "url": "http://www.kerrywong.com/2019/02/03/teardown-of-a-piezoelectric-vibrating-gyroscope/", "published_at": "2019-02-03T21:11:31+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40b9e359f58", "title": "PLA Dielectric Strength Measurement", "url": "http://www.kerrywong.com/2019/01/06/pla-dielectric-strength-measurement/", "published_at": "2019-01-06T23:49:16+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40b9e89abaf", "title": "3D Print an HV Connector", "url": "http://www.kerrywong.com/2018/12/22/3d-print-an-hv-connector/", "published_at": "2018-12-23T01:49:22+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40b9f41989d", "title": "Array 3711A Electronic Load Testing – Tips and Pitfalls", "url": "http://www.kerrywong.com/2018/11/18/array-3711a-electronic-load-testing-tips-and-pitfalls/", "published_at": "2018-11-18T13:18:00+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40b9fa74c2a", "title": "Teardown of an Array 3711A 300W DC Electronic Load", "url": "http://www.kerrywong.com/2018/11/05/teardown-of-an-array-3711a-300w-dc-electronic-load/", "published_at": "2018-11-06T02:11:59+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba08e0e64", "title": "Agilent U1731B LCR Meter Teardown", "url": "http://www.kerrywong.com/2018/10/28/agilent-u1731b-lcr-meter-teardown/", "published_at": "2018-10-29T01:00:57+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba0f15da0", "title": "Interfacing a Noritake VFD Module with Arduino", "url": "http://www.kerrywong.com/2018/10/01/interfacing-a-noritake-vfd-module-with-arduino/", "published_at": "2018-10-01T23:09:14+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba148d2a1", "title": "Inside an Agilent 66312A Two-Quadrant Power Supply", "url": "http://www.kerrywong.com/2018/09/17/inside-an-agilent-66312a-two-quadrant-power-supply/", "published_at": "2018-09-18T01:47:32+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba1f6594d", "title": "Extreme Teardown of a Panasonic PT-L780U 3LCD Projector", "url": "http://www.kerrywong.com/2018/09/09/extreme-teardown-of-a-panasonic-pt-l780u-3lcd-projector/", "published_at": "2018-09-09T16:45:56+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba2470606", "title": "OOK/FSK Modulation Using PE42420 RF Switch", "url": "http://www.kerrywong.com/2018/08/27/ook-fsk-modulation-using-pe42420-rf-switch/", "published_at": "2018-08-27T23:29:12+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba310cb94", "title": "Teardown of an MEDA PLM-100 AC Magnetometer", "url": "http://www.kerrywong.com/2018/08/11/teardown-of-an-meda-plm-100-ac-magnetometer/", "published_at": "2018-08-11T12:24:06+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba3f593e4", "title": "Inside a Datum 9300 Time Code Generator", "url": "http://www.kerrywong.com/2018/07/30/inside-a-datum-9300-time-code-generator/", "published_at": "2018-07-30T15:32:19+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba4303f0f", "title": "Controlling an HMC624LP4E RF Attenuator Using Arduino", "url": "http://www.kerrywong.com/2018/07/15/controlling-an-hmc624lp4e-rf-attenuator-using-arduino/", "published_at": "2018-07-16T00:00:18+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba435dc08", "title": "Teardown of an MVMT Dual USB Port Wall Outlet Adapter", "url": "http://www.kerrywong.com/2018/06/24/teardown-of-an-mvmt-dual-usb-port-wall-outlet-adapter/", "published_at": "2018-06-24T18:21:38+00:00" }, { "id": "01a0bb63-acdb-72e7-8b85-f40ba456ee77", "title": "Unusual Failure Mode of an APC Surge Protector", "url": "http://www.kerrywong.com/2018/06/10/unusual-failure-mode-of-an-apc-surge-protector/", "published_at": "2018-06-10T14:59:33+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc308c6fef", "title": "Keithley 775A Programmable Counter TCXO Repair", "url": "http://www.kerrywong.com/2018/06/01/keithley-775a-programmable-counter-tcxo-repair/", "published_at": "2018-06-01T23:11:47+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc30e826fc", "title": "Keithley 775A Programmable Counter Teardown", "url": "http://www.kerrywong.com/2018/05/27/keithley-775a-programmable-counter-teardown/", "published_at": "2018-05-27T22:55:34+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc31a1c2f4", "title": "Teardown of a GM3120 Electromagnetic Radiation Tester", "url": "http://www.kerrywong.com/2018/05/20/teardown-of-a-gm3120-electromagnetic-radiation-tester/", "published_at": "2018-05-20T23:11:31+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc3207af2e", "title": "HP 8566B Spectrum Analyzer “YTO Unlock” Repair", "url": "http://www.kerrywong.com/2018/05/10/hp-8566b-spectrum-analyzer-yto-unlock-repair/", "published_at": "2018-05-10T11:38:51+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc32a2d128", "title": "A Quick Look at the M5Stack ESP32 Development Kit", "url": "http://www.kerrywong.com/2018/04/30/a-quick-look-at-the-m5stack-esp32-development-kit/", "published_at": "2018-05-01T01:36:26+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc333e70ce", "title": "Teardown of an EcoSmart 60W Dimmable G16.5 LED Bulb", "url": "http://www.kerrywong.com/2018/04/09/teardown-of-an-ecosmart-60w-dimmable-g16-5-led-bulb/", "published_at": "2018-04-09T22:17:13+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc33e0a186", "title": "A Differential Amplifier Based on INA117", "url": "http://www.kerrywong.com/2018/03/25/a-differential-amplifier-based-on-ina117/", "published_at": "2018-03-25T14:51:41+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc34b8c13e", "title": "HP 8620C Sweep Generator Repaired", "url": "http://www.kerrywong.com/2018/03/01/hp-8620c-sweep-generator-repaired/", "published_at": "2018-03-01T23:59:13+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc3548ccdf", "title": "Capacitor Plague? Inside an HP 8620C Sweep Oscillator and HP 86245A RF Plugin", "url": "http://www.kerrywong.com/2018/02/19/capacitor-plague-inside-an-hp-8620c-sweep-oscillator-and-hp-86245a-rf-plugin/", "published_at": "2018-02-20T00:47:19+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc3632453c", "title": "Teardown of an HP 8671A Microwave Frequency Synthesizer", "url": "http://www.kerrywong.com/2018/02/02/teardown-of-an-hp-8671a-microwave-frequency-synthesizer/", "published_at": "2018-02-03T00:57:20+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc372866d5", "title": "Further Disassembly of the HP 493A TWT", "url": "http://www.kerrywong.com/2018/02/01/further-disassembly-of-the-hp-493a-twt/", "published_at": "2018-02-02T00:21:05+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc373e01db", "title": "The Traveling Wave Tube inside HP 493A is Radioactive", "url": "http://www.kerrywong.com/2018/01/18/the-traveling-wave-tube-inside-hp-493a-is-radioactive/", "published_at": "2018-01-18T13:20:45+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc37fb4092", "title": "Featured on EEVBlog – HP493A Teardown", "url": "http://www.kerrywong.com/2018/01/17/featured-on-eevblog-hp493a-teardown/", "published_at": "2018-01-18T00:34:16+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc38e4577a", "title": "Amrel PPS-2322 Programmable Power Supply Firmware Backup", "url": "http://www.kerrywong.com/2018/01/07/amrel-pps-2322-programmable-power-supply-firmware-backup/", "published_at": "2018-01-07T16:42:33+00:00" }, { "id": "01a0bb69-b426-706a-8e4c-1ccc38e59546", "title": "Inside a PM1A Color Analyzer", "url": "http://www.kerrywong.com/2018/01/02/inside-a-pm1a-color-analyzer/", "published_at": "2018-01-03T02:37:08+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50cdde162", "title": "Teardown of a 65W Cree LED Bulb", "url": "http://www.kerrywong.com/2017/12/16/teardown-of-a-65w-cree-led-bulb/", "published_at": "2017-12-17T02:06:00+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50cfa6af4", "title": "Teardown of an Extech 380460 Milliohm Meter", "url": "http://www.kerrywong.com/2017/12/03/teardown-of-an-extech-380460-milliohm-meter/", "published_at": "2017-12-03T15:29:35+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50df4d41b", "title": "Teardown of an ATVR-1000D AC Voltage Regulator", "url": "http://www.kerrywong.com/2017/11/23/teardown-of-an-atvr-1000d-ac-voltage-regulator/", "published_at": "2017-11-24T00:22:49+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50e19e201", "title": "Reverse Engineering of BK Precision 1696 Switching Power Supply’s LCD Protocol", "url": "http://www.kerrywong.com/2017/11/13/reverse-engineering-of-bk-precision-1696-switching-power-supplys-lcd-protocol/", "published_at": "2017-11-14T02:29:11+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50eb04538", "title": "Teardown of a BK Precision 1696 Programmable Switching Power Supply", "url": "http://www.kerrywong.com/2017/11/04/teardown-of-a-bk-precision-1696-programmable-switching-power-supply/", "published_at": "2017-11-04T23:45:13+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50eb6d592", "title": "Teardown of a Watts Up? Pro ES Power Meter", "url": "http://www.kerrywong.com/2017/10/21/teardown-of-a-watts-up-pro-es-power-meter/", "published_at": "2017-10-21T16:06:57+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50f37a704", "title": "Diode Equation and Forward Current Measurement", "url": "http://www.kerrywong.com/2017/10/14/diode-equation-and-forward-current-measurement/", "published_at": "2017-10-14T19:36:07+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa50fb425f9", "title": "Modifying a Computer ATX Power Supply For Higher Output Voltage", "url": "http://www.kerrywong.com/2017/10/07/modifying-a-computer-atx-power-supply-for-higher-output-voltage/", "published_at": "2017-10-07T17:18:26+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa510a962ca", "title": "Teardown and Testing of an 800W PureSine Inverter", "url": "http://www.kerrywong.com/2017/10/01/teardown-and-testing-of-an-800w-puresine-inverter/", "published_at": "2017-10-01T13:35:17+00:00" }, { "id": "01a0bb6d-cf13-725c-8a61-cfa5118878d5", "title": "Building a 12V 110Ah Battery Bank Using 80 32650 LiFePO4 Cells", "url": "http://www.kerrywong.com/2017/09/22/building-a-12v-110ah-battery-bank-using-80-32650-lifepo4-cells/", "published_at": "2017-09-23T01:44:52+00:00" } ] posts Claim your blog

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2025

tinySA Ultra+ ZS-407 Teardown Pictures, Compared with the ZS-405 original ↗

14 Jun 2025

UNI-T MSO3054X 500 MHz Mixed Signal Oscilloscope Teardown – Compared with the MSO2304X original ↗

18 Jan 2025

UNI-T MSO2304X 300 MHz Mixed Signal Oscilloscope Teardown original ↗

5 Jan 2025

2024

UNI-T UT8806E 6 1/2 Digits Benchtop Multimeter Teardown Pictures original ↗

12 Oct 2024

UNI-T UT8805E 5 1/2 Digit Bench Multimeter Teardown Pictures original ↗

12 May 2024

Teardown Pictures of a Zotek ZT-703S Handheld Oscilloscope original ↗

11 May 2024

UNI-T UTG1042X Teardown Pictures original ↗

13 Apr 2024

UNI-T UPO1204 200 MHz 4 Channel Digital Oscilloscope Teardown Pictures original ↗

4 Mar 2024

2023

DreamSourceLab DSLogic U3Pro32 Logic Analyzer Teardown original ↗

28 Dec 2023

Hantek TO1204D 4 Channel 200 MHz Digital Oscilloscope/DMM/AWG Teardown original ↗

22 Nov 2023

Miniware DS213 Mini Oscilloscope Teardown original ↗

27 Oct 2023

SV6301A Handheld Vector Network Analyzer Teardown Pictures original ↗

15 Oct 2023

Teardown pictures of a Miniware MHP30 SMD Rework Hot Plate original ↗

10 Oct 2023

Teardown of a DreamSourceLab DSTouch DS4T1012 Oscilloscope original ↗

29 Sept 2023

Teardown Pictures of MUSTOOL MDS9208 DMM/OSC/SigGen original ↗

22 Sept 2023

OWON SPM6103 Programmable Power Supply and Multimeter Combo Teardown Pictures original ↗

12 Sept 2023

FNIRSI DPOX180H Teardown Pictures original ↗

8 Sept 2023

Teardown of a NanoVNA-F V3 Vector Network Analyzer, Compared to V2 original ↗

1 Sept 2023

Teardown of a TS1C Cordless Soldering Station original ↗

11 Aug 2023

ToolTop ET75 Process Meter Teardown Pictures original ↗

23 Jul 2023

Making a Tracking Generator for the tinySA Ultra Spectrum Analyzer original ↗

8 Jul 2023

tinySA Ultra Teardown Pictures original ↗

16 Jun 2023

ET5410+ Programmable DC Electronic Load Teardown Pictures original ↗

9 Jun 2023

Teardown Pictures of a Zotek ZOYI ZT-702S Handheld Oscilloscope original ↗

26 May 2023

OWON HDS2202S 3-in-1 Handheld Oscilloscope/DMM/AWG Teardown original ↗

30 Mar 2023

Kaiweets HT118E Teardown Pictures – Compared with HT118A original ↗

21 Jan 2023

Teardown of a ToolTop ET829 Handheld Oscilloscope/DMM/AWG original ↗

15 Jan 2023

2022

Micsig STO1004 Smart Tablet Oscilloscope Teardown original ↗

21 Nov 2022

Teardown Pictures of a Hantek 1833C LCR Meter original ↗

2 Oct 2022

NanoVNA SAA-2N Teardown Pictures original ↗

3 Apr 2022

Teardown of a LiteVNA Vector Network Analyzer original ↗

22 Mar 2022

Teardown of a Waveform 600 MHz to 6 GHz Cross-Polarized 4×4 MIMO Panel Antenna original ↗

19 Feb 2022

Teardown Pictures of the OWON HDS2102S Oscilloscope/DMM/AWG, Compared to the HDS272S original ↗

11 Feb 2022

Teardown of a NanoVNA-F V2 Vector Network Analyzer original ↗

7 Jan 2022

2021

How Does a Spot Welder Work? Review, Teardown and Analysis of a BIFRC DH20 Battery Spot Welder original ↗

10 Dec 2021

Review/Teardown of a HoldPeak HP-770D 40000 Counts True RMS Multimeter original ↗

5 Nov 2021

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

18 Sept 2021

Hantek DSO2D10 Teardown Pictures original ↗

14 Aug 2021

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

17 Jul 2021

Cel-Fi Go X Cell Signal Booster Extreme Teardown original ↗

10 Jul 2021

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

26 Jun 2021

Teardown of an LW-3010EC Programmable Power Supply original ↗

28 May 2021

Teardown of a UNI-T UT61E+ True RMS Multimeter original ↗

4 Apr 2021

Visualizing a Full Bridge Rectifier original ↗

20 Mar 2021

Teardown and Testing of a 1500W Pure Sine Inverter original ↗

30 Jan 2021

Lab Power Supply Build Using Old Power Bricks original ↗

6 Jan 2021

2020

Teardown Pictures of an HT118A Multimeter original ↗

27 Nov 2020

Powering Up an HP YIG Tuned Oscillator original ↗

17 Oct 2020

Teardown of a Cel-Fi Go X Cell Signal Booster original ↗

5 Jul 2020

Non-destructive Testing of Fuses original ↗

12 Apr 2020

Making an OBD-II Solar Trickle Charger original ↗

6 Mar 2020

2019

Teardown of an Amrel PPS 35-2 Programmable Power Supply original ↗

1 Dec 2019

Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source original ↗

25 Oct 2019

Teardown of a Microwave I/Q Down Converter original ↗

29 Sept 2019

Teardown and Modification of an Electrophoresis Power Supply original ↗

17 Aug 2019

Teardown of a Marconi 2305 Modulation Meter original ↗

26 May 2019

LogiMetrics A300/S 2 – 4 GHz Traveling Wave Tube Amplifier – Repaired original ↗

5 May 2019

Teardown of a LogiMetrics A300/S Traveling Wave Tube Amplifier original ↗

29 Apr 2019

Teardown of a Spex HS1000 Monochromator Controller original ↗

30 Mar 2019

Experiments with a Hydrogen Thyratron original ↗

4 Mar 2019

Teardown of a Piezoelectric Vibrating Gyroscope original ↗

3 Feb 2019

PLA Dielectric Strength Measurement original ↗

6 Jan 2019

2018

3D Print an HV Connector original ↗

23 Dec 2018

Array 3711A Electronic Load Testing – Tips and Pitfalls original ↗

18 Nov 2018

Teardown of an Array 3711A 300W DC Electronic Load original ↗

6 Nov 2018

Agilent U1731B LCR Meter Teardown original ↗

29 Oct 2018

Interfacing a Noritake VFD Module with Arduino original ↗

1 Oct 2018

Inside an Agilent 66312A Two-Quadrant Power Supply original ↗

18 Sept 2018

Extreme Teardown of a Panasonic PT-L780U 3LCD Projector original ↗

9 Sept 2018

OOK/FSK Modulation Using PE42420 RF Switch original ↗

27 Aug 2018

Teardown of an MEDA PLM-100 AC Magnetometer original ↗

11 Aug 2018

Inside a Datum 9300 Time Code Generator original ↗

30 Jul 2018

Controlling an HMC624LP4E RF Attenuator Using Arduino original ↗

16 Jul 2018

Teardown of an MVMT Dual USB Port Wall Outlet Adapter original ↗

24 Jun 2018

Unusual Failure Mode of an APC Surge Protector original ↗

10 Jun 2018

Keithley 775A Programmable Counter TCXO Repair original ↗

1 Jun 2018

Keithley 775A Programmable Counter Teardown original ↗

27 May 2018

Teardown of a GM3120 Electromagnetic Radiation Tester original ↗

20 May 2018

HP 8566B Spectrum Analyzer “YTO Unlock” Repair original ↗

10 May 2018

A Quick Look at the M5Stack ESP32 Development Kit original ↗

1 May 2018

Teardown of an EcoSmart 60W Dimmable G16.5 LED Bulb original ↗

9 Apr 2018

A Differential Amplifier Based on INA117 original ↗

25 Mar 2018

HP 8620C Sweep Generator Repaired original ↗

1 Mar 2018

Capacitor Plague? Inside an HP 8620C Sweep Oscillator and HP 86245A RF Plugin original ↗

20 Feb 2018

Teardown of an HP 8671A Microwave Frequency Synthesizer original ↗

3 Feb 2018

Further Disassembly of the HP 493A TWT original ↗

2 Feb 2018

The Traveling Wave Tube inside HP 493A is Radioactive original ↗

18 Jan 2018

Featured on EEVBlog – HP493A Teardown original ↗

18 Jan 2018

Amrel PPS-2322 Programmable Power Supply Firmware Backup original ↗

7 Jan 2018

Inside a PM1A Color Analyzer original ↗

3 Jan 2018

2017

Teardown of a 65W Cree LED Bulb original ↗

17 Dec 2017

Teardown of an Extech 380460 Milliohm Meter original ↗

3 Dec 2017

Teardown of an ATVR-1000D AC Voltage Regulator original ↗

24 Nov 2017

Reverse Engineering of BK Precision 1696 Switching Power Supply’s LCD Protocol original ↗

14 Nov 2017

Teardown of a BK Precision 1696 Programmable Switching Power Supply original ↗

4 Nov 2017

Teardown of a Watts Up? Pro ES Power Meter original ↗

21 Oct 2017

Diode Equation and Forward Current Measurement original ↗

14 Oct 2017

Modifying a Computer ATX Power Supply For Higher Output Voltage original ↗

7 Oct 2017

Teardown and Testing of an 800W PureSine Inverter original ↗

1 Oct 2017

Building a 12V 110Ah Battery Bank Using 80 32650 LiFePO4 Cells original ↗

23 Sept 2017