Articles
Repair of Tektronix P6248 1.5GHz Differential probe
Author: Illya Tsemenko
Created: 31 August 2021 Teardown and repair of mechanically challenged Tek P6248 active differential probe.
Repair of Keithley 2425 100W SMU
Author: Illya Tsemenko
Created: 30 August 2021 Troubleshooting, repair and calibration of Keithley 2425 SourceMeter Units (SMU)
HP/Agilent/Keysight 34420A Nanovoltmeter repair
Author: Illya Tsemenko
Created: 03 August 2020 Repair and experiments with Keysight 34420A 7½-digit nanovoltmeter.
Tektronix ADA400A Differential Preamplifier repairs
Author: Illya Tsemenko
Created: 28 April 2020 Restoration of four Tektronix Differential ADA400A Preamplifiers
Repair and teardown of Tektronix TMDP0200 and THDP0100 probes
Author: Illya Tsemenko
Created: 23 April 2020 Repair and experiments with Tektronix TekVPI high-voltage differential probes.
Tektronix TAP1500 probe repair
Author: Illya Tsemenko
Created: 13 April 2020 Repair of Tektronix 1.5 GHz single-ended active probe
Teardown and repair of Tektronix TDP1000 differential 1 GHz probe
Author: Illya Tsemenko
Created: 12 April 2020 Service of Tektronix TDP1000 1GHz active 4.25/42.5V differential probe
Notes on Keithley DD-51 dual-line VFD replacements
Author: Ken Eckert
Created: 15 March 2020 Keithley DD-51 dual-line dot-matrix display replacements and display differences between BOE and Noritake-Itron PCBA.
Ectron 1120 Thermocouple/Voltage-Calibrator repair
Author:
Created: 06 June 2019 Repair of small, but very capable low-voltage thermocouple calibrator source.
Fluke 8842A repair and calibration
Author: Illya Tsemenko
Created: 09 September 2018 Repair and calibration of reader's Fluke 8842A benchtop DMM
Fluke 1529 Chub-E4 precision thermometer readout
Author: Illya Tsemenko
Created: 24 August 2018 Repair and testing of Fluke/Hart-Scientific 1529 Chub-E4 precision thermometer system.
Fluke 8846A 6.5-digit DMM teardown
Author: Illya Tsemenko
Created: 19 August 2018 Repair attempt of benchtop multimeter, Fluke 8846A.
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