TU-50
The Tektronix TU-50 is a calibration fixture that basically combines a 105 square wave generator, a 180 time-mark generator, and a 190 constant amplitude signal generator in a joint 500-series cabinet.
- Tektronix TU-50 Manual (PDF, OCR)
- Tektronix TU-50 Calibration (PDF, needs OCR)
- Generating 100 MHz from 50 MHz Output of 190 or TU-50