Chapter 11 — High Accuracy Power Meter 11-3 HAPM Operation Procedure
MS20xxA VNA Master UG 10580-00166 Rev. C 11-3
11-3 HAPM Operation Procedure
Turn on the VNA Master and the Sensor
1. Connect the USB A/mini-B cable between the High Accuracy Power Sensor and the
VNA Master.
2. Press the
ON/OFF key on the VNA Master.
3. Press the
Shift key, then the Mode (9) key. Use the Up/Down arrow keys or rotary knob to
select
High Accuracy Power Meter mode and press Enter.
Zero and Cal
1. Press the Zero/Cal key and select the Cal Factor soft key. Enter the Center Frequency or
select the
Signal Standard key and the Up/Down arrow keys to select a particular
standard. The Cal Factors will be derived for the corresponding center frequency. The
channel number is not required because the cal factor frequencies are rounded to the
nearest 500 MHz. The Cal Factor message in the display window will show
ON if the
Cal Factor command has been properly sent to the sensor.
2. With no power applied to the sensor, press the
Zero soft key to zero the sensor. This step
is recommended when making power measurements below –20 dBm.
Figure 11-1. High Accuracy Power Meter Setup Example
10580-00166C.book Page 3 Thursday, February 21, 2008 12:52 PM
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