Agilent E8251A PSG-A 20 GHz analog signal generator repair
Created: 21 May 2025
Repair and analysis of the high performance 20 GHz signal generator from Agilent Technologies
Fujifilm GFX 100 II 102 Mp camera detailed teardown and repair
Created: 07 April 2025
A full teardown and repair of the high-end digital large format Fujifilm GFX 100 II camera.
Agilent N5161A MXG ATE RF Analog Signal Generator repair and benchmarks
Created: 11 August 2024
Teardown and repair of the performance 3 GHz Agilent N5161A MXG X-series analog generator.
Repair and look at HP 53131A & HP 53132A time/frequency counters
Created: 16 April 2024
A power supply repair and internal design review of HP 53131A/53132A/53181A counters
Repair of Valhalla 2720GS DC voltage calibrator
Created: 21 July 2023
Worklog with repairs and performance testing of unique Valhalla 8-digit DC Voltage calibrator
EG&G 113 amplifier teardown, repairs and benchmarks
Created: 26 March 2023
Testing and repairs of EG&G PARC Model 113 low-noise preamplifier
Teardown and tests of the HP E4436B ESG-DP signal generator
Created: 01 February 2023
Tests on synthesizer RF generator from HP ESG E44xx family.
Project 3459X, building high-end DMM by using scrap 3458A parts
Created: 29 December 2022
Building a fully working 3458A out of rejected scrap parts? Experimental DMM project.
MI 6010B DCC resistance bridge repair
Created: 02 June 2022
Repairs and troubleshooting on MI 6010B DCC resistance bridge after overcurrent event.
Repair of the Chroma 63204 5.2kW DC load
Created: 02 March 2022
Quick repair and benchmarks of high-power programmable DC load
Repair of Tektronix P6248 1.5GHz Differential probe
Created: 31 August 2021
Teardown and repair of mechanically challenged Tek P6248 active differential probe.
Repair of Keithley 2425 100W SMU
Created: 30 August 2021
Troubleshooting, repair and calibration of Keithley 2425 SourceMeter Units (SMU)
Repair of Agilent 3458A Option HFL DMM
Created: 02 July 2021
Repair of the special Option HFL 8.5-digit Agilent 3458A DMM
Building 3rd Fluke 5700A "Hulk-III" precision calibrator
Created: 08 April 2021
Rebuilding Fluke 5700A calibrator from scrap boards with major malfunctions/damages.
HP/Agilent/Keysight 34420A Nanovoltmeter repair
Created: 03 August 2020
Repair and experiments with Keysight 34420A 7½-digit nanovoltmeter.
Tektronix ADA400A Differential Preamplifier repairs
Created: 28 April 2020
Restoration of four Tektronix Differential ADA400A Preamplifiers
Repair and teardown of Tektronix TMDP0200 and THDP0100 probes
Created: 23 April 2020
Repair and experiments with Tektronix TekVPI high-voltage differential probes.
Tektronix TAP1500 probe repair
Created: 13 April 2020
Repair of Tektronix 1.5 GHz single-ended active probe
Teardown and repair of Tektronix TDP1000 differential 1 GHz probe
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
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
Created: 06 June 2019
Repair of small, but very capable low-voltage thermocouple calibrator source.