PZ2 Tech Notes TN0903 Noisy channel on PZ amplifier at 50 kHz sampling rate TN0896 Building a custom headstage to use with SI, PZ, IZ, or ACO TN0868 PZ2/PZ3 Signal inversion TN0855 Channel 256 on the PZ2-256 Preamp records erroneous data TN0243 PZ2-128, PZ2-256 preamplifiers show up as PZ2-64 in RZ2 LCD display TN0224 Alternating banks of channels missing when BioAmp operated at 50 kHz