Agilent Technologies 8614 B Series, User Manual, Page: 105 / 272

3-31
Function Reference
Lin Math C=A+B
Key Path Traces > Trace Math OFF > Default Math Trace C > Lin Math C=A–B
Remote Commands CALCulate3:MATH:EXPRession(TRA–TRB)
Lin Math C=A+B
Adds Trace A and Trace B point by point, then stores the results in Trace C in linear units. The
results of this function often require a reference level adjustment. Trace A is placed in View On
mode. Trace math is mainly used to normalize the display during stimulus-response measure-
ments.
Key Path Traces > Trace Math OFF > Default Math Trace C > Lin Math C=A+B
Remote Commands CALCulate3:MATH:EXPRession(TRA+TRB)
Local
Restores front-panel control of the instrument. Whenever the instrument is in Remote mode, the
RMT message is displayed on the instrument’s screen and all keys are disabled except for the
front-panel Local key.
Key Path Local
Remote Commands GPIB GoTo Local Command
Log Math C=A
–
B
Subtracts Trace B from Trace A point by point, then stores the results in Trace C in logarithmic
units. If Trace A is in View On mode, this function is continuous and occurs every sweep. Results
of the subtraction are referenced to 0 dB. This often requires a reference level adjustment. For
example, if the reference level is set at –40 dBm, Trace A is at –50 dBm, and Trace B is at –55
dBm, the C=A–B function places Trace C at –5 dB. Because this is off screen, the reference level
will need to be adjusted.
Key Path Traces > Trace Math OFF > Default Math Trace C > Log Math C=A–B