Setting up a SZA263/LTFLU voltage reference
Published: 02 December 2019 Introduction to solid-state reference REFAMP design, using Motorola SZA263 or FLUKE/Linear LTFLU.
Calibration procedure and results for xDevs/Fluke 792X 10V DC Reference
Published: 06 November 2019 Calibration methods and reports for xDevs.com's 10V DC reference, built into modified Fluke 792 Power Pack chassis.
Fluke 8505A Teardown and repair worklog
Published: 10 October 2019 Repair worklog of the Fluke 8505A, precision 6½-digit benchtop multimeter from year 1982.
Repair, testing and experiments with Ballantine 1605B
Published: 17 September 2019 Maintenance and experiments with Ballantine AC/DC Autobalance Transfer Standard
Ian Johnston's PDVS2mini prototype review and testing
Published: 09 September 2019 Benchmarking LM399AH-based compact PDVS2mini Precision DC source from Ian Johnston.
Leo Bodnar's fast pulser (2.92mm version) review
Arroyo TECpak temperature controller unit review and usage
Updated 2019 SI units transfers @xDevs labs
Review and modifications for Agilent 16441A R-Box
Building air-bath thermal Peltier chamber
Published: 07 March 2019 Low-cost take on benchtop thermal chamber with airflow mixing, using Peltier element and PID controller.
Review and calibration of Advantest R6452A 5.5-digit DMM
Keithley 6430/4200 preamplifier teardown and stand-alone use options
Modification of the binding post adapter Fluke 5790A-7001 into Fluke 792A-7004
Published: 13 August 2018 Short article showing how to modify Fluke 5790A-7001 UHF to binding post adapter dongle.
STI SuperLink RX cryocooled RF filter review
Published: 27 January 2018 Experiments with Stirling-type cryocooler unit for active cooling semiconductor devices at 77 Kelvin.
Analysis of the Fluke 8846A custom laser-trimmed resistance networks
Published: 03 October 2017 Look inside of Fluke 8846A's metrology level hermetical precision resistor networks, custom Fluke P/N 2464674 and 2464707.
Overclocking for Raspberry Pi 3 Model B
Project 792X - 10V "FX" reference and Fluke 792A support pack
Published: 27 July 2017 Portable shielded battery power pack and experimental 10V ultra-stable DC Voltage reference build.
Design of MX LTZ1000A DC voltage reference
Published: 23 July 2017 Another approach to design ultra-stable DC Voltage reference, based on Linear LTZ1000 conventional design.