9-15
Understanding the CITIfile Data Format
Useful Calculations
Example Data
This example shows how the following CITIfile data for a three-point trace can be
expressed in other data formats.
CITIFILE A.01.00
#NA VERSION HP8753E.07.12
NAME DATA
VAR FREQ MAG 3.0000
DATA S[11] RI
SEG_LIST_BEGIN
SEG 1550000000 1570000000 3.0000
SEG_LIST_END
BEGIN
Table 9-1 Data Values
Calculated Smith
Chart Readings
Calculated Polar
Readings
Real Value Imag Value Calculated
LogMag
Calculated
Phase
Resistance Reactance Magnitude Phase
4.43Ε−02 −4.52Ε−01 −6.8593 −84.4025 35.5204 −40.4294 0.4539 −84.4025
−6.32Ε−02 −4.47Ε−01 −6.9150 −98.0545 29.9477 −33.5840 0.4510 −98.0545
−1.66Ε−01 −4.38Ε−01 −6.5847 −110.7272 25.1562 −28.2510 0.4685 −110.727
Table 9-2 Marker Reading Values
Log Mag
(Marker)
Phase
(Marker)
S11 Smith
Chart
Resistance
(Marker)
S11 Smith
Chart
Reactance
(Marker)
Polar
Magnitude
(Marker)
−6.859 −84.403 35.520 −40.429 454.98mU
−6.915 −98.055 29.948 −33.584 451.07mU
−6.585 −110.737 25.156 −28.251 468.56mU