Classic Electronic Restoration, Vacuum Tube Audio, Technical History, Photography
This is a follow-up to my previous post about repairing a Tektronix CG551AP/CG5001 Calibration Generator. The CG551 had been sitting for many months and I thought it was time to give it a quick check. Shortly after turning on the TM5000 mainframe that I had plugged the CG551 into, I was assaulted by the tell-tale…
Originally posted in December, 2023 Background The Tektronix CG511/5001 Calibration Generator is a source of calibrated timing signals, voltage and current waveforms, and pulses with low distortion/fast edges. The device can be used to calibrate and check oscilloscope performance characteristics. It has six basic modes and can be remotely programmed via the GPIB interface. It…