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.
Fluke SL935 heated resistance standard prototype
Published: 28 April 2017 Restoration and benchmarks of unique Fluke SL935 Resistance Standard Prototype.
Evaluation of modern pressure sensors with digital interface
Published: 10 April 2017 Test of signal/noise and stability performance of All Sensors DLHR and Honeywell RSC low pressure sensors.
Study of temperature coefficient on 260 precision resistors
Published: 09 January 2017 Measurement and comparison of various precision resistors stability and temperature coefficient
- Large DIY environmental chamber for DMM/T&M gear testing
- Tale 2 : eBay LTZ1000A reference modules and caveats
- Modification for Fluke 8508A DMM, DIY Option 001
- Fluke 510A AC standard, or how to calibrate HP/Agilent 34401A for ACV ranges
- Modification for guarded current output in Fluke 5720A
- Fluke 742A resistance standards