New CODD Pick-up Amplifier

Overview

This is, more or less, an online version of a lab notebook assembled in the course of the debugging of the prototype of the new CODD pre-amplifier boards.

Links

• PCB and schematics corrections
• Input impedance problems
• Frequency response
• Noise level measurements
• Control card and protocol
• Head assembly adjustment and PU sensitivity
• Measurements of gain values of series production amplifiers
• Measurements of noise values of series production amplifiers
• Close-up of maximum gain values
• Measurements of input reflection coefficients of series production amplifiers

• EDA-00433-V2 schematic diagrams (pdf, 500kB).
• EDA-00433-V2 PCB outline (pdf, 740kB).
• EDA-00433-V2 PCB layers (pdf, 1.2MB).
• Power supply (EDA-00412)