Shaun Merrigan
Classic Electronic Restoration, Vacuum Tube Audio, Technical History, Photography
Tag: Shaun Merrigan
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Originally posted in June, 2022 The Tektronix TM50n is an “n”bay (where n = 1 to 6, the number of bays) mainframe which can host and power TM500 plug-ins. It was available in 1 through 6 bay versions and was the predecessor to the TM5000 mainframe: See my post here about the TM5000 mainframes. Tektronix…
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Originally posted in December, 2023 Background The Tektronix CG511/5001 Calibration Generator is a source of calibrated timing signals, voltage and current waveforms, and pulses with low distortion/fast edges. The device can be used to calibrate and check oscilloscope performance characteristics. It has six basic modes and can be remotely programmed via the GPIB interface. It…
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Originally posted in June 2021 The Tektronix TM5006 is a 6-Bay power module which can host and power either TM5000 or TM500 plug-ins . Tektronix themselves had about 130 different plug-ins available which comprised power supplies, signal generators, oscilloscopes, multimeters, test oscillators, calibrators, attenuators, filters, logic analyzers, frequency counters, audio analyzers and more. In addition, numerous third…
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Originally posted in January, 2022 The BK Precision 879B is a good quality, dual display 40,000 count LCR (inductance, capacitance, resistance) meter with 0.1% basic accuracy. It was first manufactured in 2010 and is still available (2021) for around $420 Cdn. I purchased mine several years ago and find it very convenient and easy to…
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Originally posted in December, 2018 Early in 2018, I purchased an HP 3562A Dynamic Signal Analyzer for an excellent price on Ebay. The display looked great and it was physically in good condition. However, the unit failed the power on self test as follows: This error code indicates a ROM IC failure. HP3562A Diagnostic LED’s…