
4. Functions
32
VNA-300M-PCI
Reflection Calibration
Use a load that has a known value (Open, Short, or Load) to compensate for errors caused by impedance
non-conformance between the signal source and the measurement terminal and frequency response
errors.
O
UT
IN
T
R
G
E
X
T
R
E
F
Open
Short
Load
CPL
OUT I N
Directinoal coupler
Figure 4.3. Reflection Calibration