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Kerry D. Wong

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Tag: Programmable Power Supply

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Teardown of an LW-3010EC Programmable Power Supply

May 28, 2021May 28, 2021 kwong

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

Electronics 74HC595, DK112, Longwei, LW-3010EC, Programmable Power Supply, SG3525A, STC 15F2K60S2, TNY280GN

Teardown of an Amrel PPS 35-2 Programmable Power Supply

December 1, 2019December 1, 2019 kwong

A while back, I did a teardown on a dual-channel Amrel PPS-2322 programmable power supply, and was quite impressed by […]

Electronics AD7541, Amrel, Array 3711A, GAL16V8B, M58725P, MPM81C55P-2, PPS 35-2, PPS-2322, Programmable Power Supply

Amrel PPS-2322 Programmable Power Supply Firmware Backup

January 7, 2018 kwong

Quite a few people had contacted me on the availability of the firmware for the Amrel PPS-2322 programmable power supply […]

Electronics Amrel, EPROM, Firmware, PPS-2322, Programmable Power Supply, TL866A, TMS27C512

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

November 13, 2017 kwong

As mentioned in my previous post, besides the broken LCD there was also an issue with the power supply portion […]

Electronics 7 Segment, BK 1696, BK Precision, LCD, NJU6433F, Programmable Power Supply, Protocol, Reverse Engineering, SDP, SPI, Switching Power Supply

Teardown of a BK Precision 1696 Programmable Switching Power Supply

November 4, 2017November 5, 2017 kwong

I recently picked up a BK Precision 1696 programmable switching power supply off eBay. Unlike many of the vintage test […]

Electronics, Teardowns ADUC831BS, BK 1696, BK Precision, CD4052BC, LM324, MAX202CPE, MAX485, MC33262, NJU6433F, OP27G, OP491G, P781, PFC, Programmable Power Supply, RS-232, RS-485, Switching Power Supply, Teardown, TL494

Amrel PPS-2322 Programmable Power Supply Teardown

May 6, 2015May 6, 2015 kwong

I picked up an Amrel PPS-2322 programmable power supply from eBay recently. You probably have not heard of the Amrel […]

Electronics, Teardowns Ametek, Amrel, PPS-2322, Programmable Power Supply

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