PMX40 RF Power Meter – INSTRUCTION MANUAL
5-5
5.2.1
Standard IEEE Pulse
The key terms defined by the IEEE standard are abstracted and summarized below. These terms are
referenced to the standard pulse illustrated in Figure 5-4.
Figure 5-4. IEEE Standard Pulse (IEEE Std 194™-1977)
Note
IEEE Std 194™-1977 Standard Pulse Terms and Definitions has been superseded by IEEE
Std 181™-2003. Many of the terms used below have been deprecated by the IEEE.
However, these terms are widely used in the industry and familiar many. For this
reason, they are retained.
Table 5-1. Pulse Terms
TERM
DEFINITION
Base Line
The two portions of a pulse waveform which represent the first nominal state from
which a pulse departs and to which it ultimately returns.
Top Line
The portion of a pulse waveform which represents the second nominal state of a pulse.
