Free Electron
Repairs, modifications and other bits for electronics hobbyists. Welcome to the channel. Constructive feedback and shared experience is always appreciated.
Build Project Part 4: Building Robert Cordell's Distortion Analyzer - RMS Metering
Build Project Part 3: Building Robert Cordell's Distortion Analyzer - Analyzer Portion Analysis
Build Project Part 1: Fundamentals of Distortion Analysis
Build Project Part 2: Building Robert Cordell's Distortion Analyzer - Overall Build & Signal Source
HP209A Repair
Analyzing Harmonics with a Twin Tee Notch Filter
HP8595E Repair Part 4, Tracking Generator
HP 8595E Repair Part 3, Frequency Correction Constants
HP 8595E Repair Part 2, Cal Attenuator and IF
HP 8595E Repair Part 1 plus Power Supply Information
HP 3585B Display Repair
Tektronix 1720 Modification for XY Display
HP 334A Distortion Analyzer Repair Part 2
HP 334A Distortion Analyzer Repair Part 1
Tektronix P5200 Probe Repair
Build Project Part 5 - Final
Build Project Part 4 - Preamplifier
Build Project Part 3 - Construction and Initial Testing
Build Project Part 2 - Layout and Function
Build Project Part 1 - Making A Printed Circuit Board
HP 428B Clip On DC Milliameter Repair and Adjustments
HP 3585B Spectrum Analyzer Repair Part 4: More Repairs and Finishes
HP 3585B Spectrum Analyzer Repair Part 3: New Parts Have Arrived
HP 3585B Spectrum Analyzer Repair Part 2: Delving Deeper into Display Problems
HP 3585B Spectrum Analyzer Repair Part 1: Overview and Symptoms
Working with the AD9834 in Arduino
Heathkit AR15 Solid State Receiver Repair Part 3
Heathkit AR15 Solid State Receiver Repair Part 2
Heathkit AR15 Solid State Receiver Repair Part 1
HP 3400A Repair