2025  1

March  1

A peek inside the Agilent 6811B AC Power Source/Analyzer

March 22, 2025 路 1 min 路 Sebastian

2024  9

September  1

Lenovo ThinkCentre M920q - M920x conversion

September 22, 2024 路 4 min 路 Sebastian

August  1

Make-shift 19" rack: Easy to build, even easier to overload

August 20, 2024 路 3 min 路 Sebastian

June  1

Technics SU-VX 700: Teardown & Service

June 28, 2024 路 6 min 路 Sebastian

April  2

Lenovo ThinkCentre M720q: Upgrade

April 22, 2024 路 3 min 路 Sebastian

Programmable Power Resistor: Final Product

April 12, 2024 路 4 min 路 Sebastian

March  4

Programmable Power Resistor: System Design

March 29, 2024 路 1 min 路 Sebastian

Agilent 6632B Teardown & Transient Response

March 22, 2024 路 2 min 路 Sebastian

Programmable Power Resistor: Topology (2)

March 15, 2024 路 5 min 路 Sebastian

Programmable Power Resistor: Topology (1)

March 9, 2024 路 2 min 路 Sebastian

2023  37

December  1

Agilent 66309D: Repair

December 20, 2023 路 4 min 路 Sebastian

September  2

Programmable Decade Resistor: Cost

September 13, 2023 路 2 min 路 Sebastian

Logitech M310: Mouse Button Repair

September 7, 2023 路 1 min 路 Sebastian

August  5

Programmable Decade Resistor: Panels

August 31, 2023 路 4 min 路 Sebastian

Programmable Decade Resistor: Components

August 25, 2023 路 2 min 路 Sebastian

HP 6060B System DC Electronic Load: Adjustment

August 17, 2023 路 7 min 路 Sebastian

HP 6060B System DC Electronic Load: Teardown, Service

August 13, 2023 路 6 min 路 Sebastian

Programmable Decade Resistor: Improved results

August 5, 2023 路 7 min 路 Sebastian

July  4

About word clocks…

July 27, 2023 路 3 min 路 Sebastian

Programmable Decade Resistor: Optimization

July 20, 2023 路 5 min 路 Sebastian

Progammable Decade Resistor: Calibration results

July 15, 2023 路 7 min 路 Sebastian

Programmable Decade Resistor: Warm-up curve

July 7, 2023 路 3 min 路 Sebastian

June  4

Programmable Decade Resistor: Final Product

June 23, 2023 路 1 min 路 Sebastian

Programmable Decade Resistor: Mainboard

June 14, 2023 路 3 min 路 Sebastian

Breakout box for Agilent 6611B AC Power Source

June 7, 2023 路 2 min 路 Sebastian

Programmable Decade Resistor: System Design

June 1, 2023 路 1 min 路 Sebastian

May  3

Programmable Decade Resistor: Switching (3)

May 25, 2023 路 4 min 路 Sebastian

Displaying graphics and text on an oscilloscope screen

May 18, 2023 路 4 min 路 Sebastian

Programmable Decade Resistor: Switching (2)

May 11, 2023 路 3 min 路 Sebastian

April  6

Programmable Decade Resistor: Switching (1)

April 29, 2023 路 3 min 路 Sebastian

A Nice Case for Projects

April 28, 2023 路 1 min 路 Sebastian

SCPI Capable Thermometer

April 23, 2023 路 3 min 路 Sebastian

Programmable Decade Resistor: Power Rating (2)

April 16, 2023 路 3 min 路 Sebastian

Programmable Decade Resistor: Power Rating (1)

April 7, 2023 路 4 min 路 Sebastian

HP Instrument feet

April 3, 2023 路 1 min 路 Sebastian

March  3

Brymen BM789: Not a Review

March 24, 2023 路 2 min 路 Sebastian

Agilent 34401A: Repair

March 12, 2023 路 3 min 路 Sebastian

Programmable Decade Resistor: Topology (2)

March 3, 2023 路 2 min 路 Sebastian

February  9

Simple and Cheap TDR Pulse Generator

February 23, 2023 路 2 min 路 Sebastian

Tektronix 465B: Repair

February 18, 2023 路 2 min 路 Sebastian

HP 5328B Universal Counter: Mini Repair

February 10, 2023 路 3 min 路 Sebastian

Programmable Decade Resistor: Topology (1)

February 7, 2023 路 4 min 路 Sebastian

Siemens B2086 Decade Resistor: Calibration

February 4, 2023 路 5 min 路 Sebastian

Progammable Decade Resistor: Intro

February 4, 2023 路 3 min 路 Sebastian

Precision Resistors

February 4, 2023 路 3 min 路 Sebastian

Fluke 175: Repair

February 3, 2023 路 4 min 路 Sebastian

Yet Another Nixie Clock

February 2, 2023 路 3 min 路 Sebastian