Articles
ESI cables for bridge system
Author: Ilya Tsemenko
Created: 20 February 2024 A brief look on historical ESI measurement bridge system cabling

Metal foil TO-99 resistor network Model 1413
Author: Ilya Tsemenko
Created: 03 February 2024 A quick look, teardown and reverse engineering of old bulk-metal foil resistor networks, VPG 1413

Golden resistor network - VPG VSM86 custom chip
Author: Ilya Tsemenko
Created: 27 January 2024 A quick look, teardown and reverse engineering of old bulk-metal foil resistor networks from VPG, VSM86

Air draft cover for Measurements International 6000 bridge
Author: Ilya Tsemenko
Created: 23 January 2024 3D printing air shield for Measurements International 6000A connections.

First data-logging run in 2024
Author: Ilya Tsemenko
Created: 12 January 2024 Updates to live datalogging setup in year 2024

LakeShore Cryotronics DT-670 diode temperature sensor
Author: Ilya Tsemenko
Created: 19 December 2023 Introduction to Lake Shore DT-670 cryogenic sensor for temperature down to 1 Kelvin.

Quick look at Agilent E3620A low-cost 2 channel DC power supply
Author: Ilya Tsemenko
Created: 10 December 2023 A quick teardown for the HP/Agilent/Keysight E3620A 27V/1A dual isolated channel DC supply

Sorensen DCS33-33E15 1U power supply teardown
Author: Ilya Tsemenko
Created: 07 December 2023 A peek inside 1.1kW 1U rack mount switch-mode power supply from Sorensen, Model DCS33-33.

Rusty Chroma 6334 DC Load power mainframe
Author: Ilya Tsemenko
Created: 22 November 2023 A quick look and teardown of the Chroma 6334 high speed 1200W DC load mainframe.

Metalwork parts for cryostat
Author: Ilya Tsemenko
Created: 15 November 2023 One tiny step for xDevs.com cryostat to test semiconductors under extreme conditions.

Fluke 5725A repairs
Author: Ilya Tsemenko
Created: 12 November 2023 Repairs on Fluke 5725A amplifier for Fluke 5720A calibrator

Keithley 1483 Low thermal connection kit
Author: Dipl.-Ing. André Bülau
Created: 29 October 2023 A quick look at microvolt low thermal connection kit from Keithley, Model 1483

A peek inside advanced on chip DC-DC VRM : Intel FIVR
Author: Ilya Tsemenko
Created: 24 October 2023 Brief look at Intel's advanced CPU packaging and fast on-package/on-die voltage regulators.

Stepper motor driver : IMS IM483i
Author: Ilya Tsemenko
Created: 15 October 2023 A quick look on a motor driver from Intelligent Motion Systems Inc.

Diodes for cryogenic temperature sensing
Author: Ilya Tsemenko
Created: 29 September 2023 A brief look at specialized silicon diode temperature sensors for temperature sensing down to 1.5K.

Heavy ppms of September
Author: Ilya Tsemenko
Created: 26 September 2023 Cryostat build project for cold head operation.

Holy grail of time ppms, teardown pending
Author: Ilya Tsemenko
Created: 06 September 2023 A quick look at the core of the atomic time reference from HP 5061B

DC-DC module from HP 4263B LCR meter
Author: Ilya Tsemenko
Created: 23 August 2023 Repairs of cheap DC-DC module, found in HP benchtop LCR meter, model HP 4263B.

Part of the week
Author: Ilya Tsemenko
Created: 14 April 2023 Mystery ppms of April 2023

Little surgery on Keithley 2002 analog board
Author: Ilya Tsemenko
Created: 02 April 2023 Repairs of Keithley 2002 unit with blown up analog board circuitry

Repair project 3458A goes to the dark side
Author: Ilya Tsemenko
Created: 07 February 2023 Photoshoot with new repair components for old 3458A instrument restoration

Rusty E5810A gateway for branadic
Author: Ilya Tsemenko
Created: 27 January 2023 Quick look at old Agilent E5810A LAN-VXI interface gateway.

RF paperweight from HP
Author: Ilya Tsemenko
Created: 16 December 2022 Good old HP bit of RF kit.

Golden ppms of December
Author: Ilya Tsemenko
Created: 10 December 2022 Components review from December 2022 acquisitions.