Latest Articles............. |
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Video Blog 121 - Racal 835 Universal Counter RepairThis 835 has been sitting for many years and is missing parts! So, I set about trying to get it up & running.Date: 01/12/23 |
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Video Blog 119 - Racal-Dana 9900 Universal Counter Timer RepairThis 9900 Universal Counter Timer has a broken IC, not faulty......just broken!Date: 09/11/23 |
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Video Blog 117 & 118 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 2 & 32nd and 3rd videos: Replace the faulty VFD, fit a new front panel, add some banana sockets and make a huge observational error!Date: 07/11/23 |
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Video Blog 116 - Keithley 2306 Dual Channel Battery Charger Simulator Repair - Part 2Further repairs and refurbishment to the 2306, and initial testing.Date: 15/09/23 |
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Video Blog 115 - Keithley 2306 Dual Channel Battery Charger Simulator Repair - Part 1This Keithley 2306 has a very typical fault for the series, but with the added bonus of a delaminated 6-layer circuit board.Date: 08/09/23 |
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Video Blog 114 - Time Electronics 2003S DC Voltage Calibrator Repair & RefurbDating from around 1975, a 10V voltage Calibrator from Time Electronics in the UK. I couldn't resist a repair and refurbishment project.Date: 02/09/23 |
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The Amp Hour #643 - Calibration & Repair with Ian JohnstonI was lucky enough to appear on The Amp Hour podcast with Dave Jones (EEVBlog).Date: 22/08/23 |