Symbols 5 - Tektronix DSA8200 Service Manual

Diagrams
Symbols
DSA8200 Digital Serial Analyzer and Modules Service Manual
This chapter illustrates the electrical operation of the DSA8200 instrument and
modules using the major circuit blocks.
Graphic symbols and class designation letters are based on ANSI Standard
Y32.2- -1975. Abbreviations are based on ANSI Y1.1- -1972.
Logic symbology is based on ANSI/IEEE Std 91-1984 in terms of positive logic.
Logic symbols depict the logic function performed and can differ from the
manufacturer's data.
The tilde (~) preceding a signal name indicates that the signal performs its
intended function when in the low state.
Other standards used in the preparation of diagrams by Tektronix, Inc. are:
Tektronix Standard 062- -2476 Symbols and Practices for Schematic Drafting
ANSI Y14.159- -1971 Interconnection Diagrams
ANSI Y32.16- -1975 Reference Designations for Electronic Equipment
MIL- -HDBK- -63038- -1A Military Standard Technical Manual Writing
Handbook
5- 1