Agilent Technologies 8719ET Service Manual page 66

System Verification and Performance Tests
Performance Tests
Calibration
6. Connect a thru (RF cable) between PORT 1 and PORT 2 on ES models (REFLECTION
and TRANSMISSION on ET models).
7. To start the measurement calibration, press the following:
Cal CALIBRATE MENU RESPONSE &ISOL'N RESPONSE
8. Remove the thru and connect 50
(REFLECTION port and TRANSMISSION port on ET models).
9. To continue the measurement calibration, press the following:
AVERAGING FACTOR
Avg
Cal RESUME CAL SEQUENCE ISOL'N STD
NOTE This measurement takes several minutes
10.When the analyzer beeps or the message, PRESS 'DONE' IF FINISHED WITH STD(s),
appears on the display, press the following:
DONE:RESP ISOL'N CAL
Measurement and Data Collection
11.Press
Sweep Setup
12.When the single sweep has been taken, press the following:
Scale Ref AUTOSCALE
MARKER MODE MENU
Marker Fctn
MARKER 1
Marker
MARKER MODE MENU
Marker Fctn
∆ MODE MENU
Marker
13.Read the mean value and standard deviation from the analyzer display. Calculate the
dynamic range, using the following equation.
20 × log [(3 × Standard Deviation) + Mean Value]
Record the calculated value in the "S21 / Transmission" column of the "Dynamic Range"
performance test record for your analyzer.
14.Repeat steps 12 and 13 (beginning with
marker 2 at the start and stop of the remaining frequency ranges that are listed in
Table 2-13.
2-44
Ω
terminations to PORT 1 and PORT 2 on ES models
8 x1
TRIGGER MENU SINGLE
MARKERS: DISCRETE
MARKER 2
50 M/µ
MKR STATS ON
∆ REF=1
Marker
AVERAGING ON
.
50.000101
MARKER 1
8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
THRU
M/µ
), placing marker 1 and
Service Guide