Keithley 6430/4200 preamplifier teardown and stand-alone use options
Review of Keysight B2987A Electrometer
Published: 06 December 2018 Review and teardown of modern picoammeter/electrometer B2987A unit from Keysight Technologies.
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
Tweaks and mods for HP 3457A 6.5-digit DMM
Published: 31 December 2016 Various modifications and circuit improvements of HP 3457A 6½-digit system DMM
HP/Agilent/Keysight 3458A 8.5-digit DMM modifications and tweaks
Tale 1 : Little jumper, or sharks in voltage references world
Published: 12 October 2016 Custom precision voltage reference build for hobbyist use. Engineering fairy-tale.
Ultra-quiet LDO module design, based on Linear LT3042
Published: 31 August 2016 Design and evaluation of ultra-low linear regulator modules, using Linear LT3042 in DFN package.
Ratiometric resistance measurements
- ESI SR1010, SR1030 and SR1050 series resistance ratio transfer standards
- Acopian AC-DC Linear power supply
- EIP/PhaseMatrix 578B Locking microwave counter
- High-current resistance measurements
- Review and tests of Femto HVA low-noise amplifier
- Teardown : Fluke Y2022
- Teardown : Fluke 7405A-4207 divider module