Tektronix TDS1000B Series, Operator'S Manual, Page: 299 / 316

Appendix A
Training 1 Signal Board: Signal Definitions
TDS1000B and TDS2000B Series Oscilloscopes – Operator Training Kit A-5
Pin 4 BURST (also found on the 2x8 pin connector)
Specification
Digital signal, 4 V peak-to-peak
Description This signal is a repetitive pulse stream consisting
of four groups of eight 16 to 24 ns pulses
separated by 1.3 ms of inactivity. Verification of
this signal requires two measurements at two
different time scales.
Pin 5
PSEUDO RANDOM
Specification 20 MHz digital clock signal, 3 V peak-to-peak
Description This NRZ/OC1 pseudo random signal can be
used to show how to trigger on a complex yet
repeating signal sequence, such as a
communication signal or computer control signal,
with the use of trigger holdoff on a TDS1000B or
a TDS2000B oscilloscope.