Dave & Sagan score some more server PC’s from the dumpster. Will they work? Will they be Dual Xeon & Core i7 Processors? Asus P6X58DE Forum HERE Podcast: Download
Read More »EEVblog #837 – Reverse Engineering A Valve Headphone Amplifier
Dave reverse engineers the XuanZu X2-U808 Hi-Fi Headphone Amplifier to see if the valves actually do anything. What is the circuit topology? E180F (6J9) pentode valve datasheet Doug Ford’s Microphone design series Playlist Reverse Engineering How-To video Forum HERE Podcast: Download
Read More »Franky from the Ebay store 99centHobbies dropped by the lab and we had a quick chat about ebay, selling, shipping, and the Hong Kong electronics scene compared to Shenzhen China. Forum HERE
Read More »EEVblog #836 – Tour Of The Australian Synchrotron
A 1 hour tour of the Australian Synchrotron. From breadboards to 35MW Kystron RF power amplifiers! Forum HERE Podcast: Download
Read More »EEVblog #835 – Wekomm Resistance Standard Part 2
Part 2 of an impromptu play with Dave’s Wekomm 10K Transfer Resistance Standard. Was the Keithley DMM7510 multimeter the culprit in the discrepancy in the thermal response? Dave finds out with the help of a thermal chamber. Part 1 is HERE Forum HERE Podcast: Download
Read More »EEVblog #834 – Wekomm Resistance Standard
An impromptu play with Dave’s Wekomm 10K Transfer Resistance Standard. What is the strange discrepancy in drift on the graph on the Keithley DMM7510 multimeter? This is Part 1, don’t forget Part 2 is here: https://www.youtube.com/watch?v=gEDs0OtOkGE Forum HERE Podcast: Download
Read More »EEVblog #833 – Mailbag
Christmas Mailbag! Warning: Someone thinks atheist Dave won’t get saved by Jesus, so tries to convert him to Christianity! Forum HERE SPOILERS: Sam Harris destroys christianity VIDEO Bonus Christopher Hitchens vs. God VIDEO Tandy PC-6 Pocket Computer Service Manual HERE Silego GreenPAK4 Mixed Signal Development Kit Isolated USB to RS422/RS485 …
Read More »EEVblog #832 – Keysight U1282A Multimeter Teardown
Inside Keysight’s new U1282A IP67 waterproof and 3m drop proof precision dual display 60,000 count 0.025% multimeter with 800 hours battery life 3 for 2 deal U1272A Teardown Forum HERE Podcast: Download
Read More »EEVblog #831 – Power A Micro With No Power Pin!
In this Fundamental Friday Dave will blow your mind as he shows you how you can power a microcontroller *without* a power or ground pin! A potentially big trap for young and old players alike. Can you guess how it’s done before the secret is revealed? Forum HERE SPOILER: A …
Read More »EEVblog #830 – Portable CRT TV Retro Teardown
Take a look inside a vintage 1984 B/W National CRT portable TV Sinclair TV1 Teardown HERE Forum HERE Podcast: Download
Read More »EEVblog #829 – Siglent SDM3055 Bench Multimeter Teardown
Inside the Siglent SDM3055 5.5 digit bench multimeter And check out UI similarities with the Keysight 34461A Forum HERE Podcast: Download
Read More »EEVblog #828 – Siglent SPD3303X Precision Lab PSU Teardown
Inside the Siglent SPD3303X Precision Programmable DC Lab Power Supply. UPDATE: There is an even cheaper version, the SPD3303X-E which has 10mV/10mA resolution. Atten PSU teardown video. Rigol DP832 teardown video. Forum HERE Podcast: Download
Read More »EEVblog #827 – Mailbag
More Mailbag Monday. Forum HERE SPOILERS: RemoteBoot Kickstarter Digilent PowerBric Arty Artix-7 FPGA Development Board Podcast: Download
Read More »Home Rooftop Solar Power System Update – Shattered Panel!
One of Dave’s LG Mono-X solar panels has mysteriously shattered! Daily solar output data: http://pvoutput.org/list.jsp?userid=22501 Sorry for the audio and video quality, this was shot on my phone. Forum HERE
Read More »EEVblog #826 – Siglent CEO Eric Qin Visits The EEVblog Lab
Siglent Founder and CEO Eric Qin visited the EEVblog Lab and very kindly agreed to sit down for a quick impromptu chat. Forum HERE Podcast: Download
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