Acopian AC-DC Linear power supply
Created: 01 August 2020
Review and tests of Acopian Gold series A24MT350 +24V 3.5A linear DC power supply
EIP/PhaseMatrix 578B Locking microwave counter
Created: 01 August 2020
Review and tests of EIP / PhaseMatrix 578B 10Hz - 110 GHz counter with locking capability
High-current resistance and shunt measurements log
Created: 08 July 2020
Comparison of various high-power resistance standards
Review and tests of Femto HVA low-noise amplifier
Created: 21 April 2020
Testing Femto HVA DC-10MHz 40/60 dB low noise amplifier
Teardown : Fluke Y2022
Created: 12 April 2020
Teardown and analysis of Fluke Y2022 10:1 / 10:100 divider
Teardown : Fluke 7405A-4207 divider module
Created: 12 April 2020
Quick teardown of Fluke 7405A-4207 precision divider accessory.
Wavetek 4953 10A AC/DC precision shunt review
Created: 13 February 2020
Tests and characterisation of Wavetek 4953 10A AC/DC shunt performance.
Setting up a SZA263/LTFLU voltage reference
Created: 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
Created: 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
Created: 10 October 2019
Repair worklog of the Fluke 8505A, precision 6½-digit benchtop multimeter from year 1982.
Repair, testing and experiments with Ballantine 1605B
Created: 17 September 2019
Maintenance and experiments with Ballantine AC/DC Autobalance Transfer Standard
Ian Johnston's PDVS2mini prototype review and testing
Created: 09 September 2019
Benchmarking LM399AH-based compact PDVS2mini Precision DC source from Ian Johnston.
Leo Bodnar's fast pulser (2.92mm version) review
Created: 30 July 2019
Review of Leo Bodnar's 30ps fast pulse 10 MHz generator.
Arroyo TECpak temperature controller unit review and usage
Created: 23 June 2019
Test of Arroyo TECpak 585-04-08 temperature controller module.
Updated 2019 SI units transfers @xDevs labs
Created: 24 May 2019
SI 2019 Update and practical example for unit of Volt and Ohm transfers
Review and modifications for Agilent 16441A R-Box
Created: 25 March 2019
Experiments with Agilent 16441A
Review and testing of various precision 1 Ohm resistors
Created: 18 March 2019
Stability and performance tests on VHP-4, JRL and IET 1 Ohm resistors.
Building air-bath thermal Peltier chamber
Created: 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
Created: 02 March 2019
Teardown and calibration testing of 5.5-digit benchtop Advantest DMM
Keithley 6430/4200 preamplifier teardown and stand-alone use options
Created: 14 January 2019
Attempt of reusing Keithley 4200 PreAmplifier module for regular SMU.
Modification of the binding post adapter Fluke 5790A-7001 into Fluke 792A-7004
Created: 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
Created: 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
Created: 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 with LN2
Created: 21 September 2017
Theory and practice of overclocking Raspberry Pi 3 ARM-based computer.
Project 792X - 10V "FX" reference and Fluke 792A support pack
Created: 27 July 2017
Portable shielded battery power pack and experimental 10V ultra-stable DC Voltage reference build.
Design of MX LTZ1000A DC voltage reference
Created: 23 July 2017
Another approach to design ultra-stable DC Voltage reference, based on Linear LTZ1000 conventional design.