Advertisement
Model 8902A
Performance Tests
Characteristic
I
Performance Limits
I
Conditions
POWER REFERENCE
Power Output
Power Output Accuracy
worst case; for
1
year;
0 to 55OC
1 mW
*1.20/0
Description
The power from an external
1
mW power reference is measured with a power sensor and the power
meter of
the Measuring Receiver. The same power meter and sensor are then used to measure the
power from the Measuring Receiver's power reference.
NOTE
Due
fo
acciiracy Iimilalions of'lhis &sf m e l h ~ d , the
powtjr Iewl
can
only be
wriJicd
lo
wifhin
&I.
9?v.
Grwfcr ucciiracy cun
bc
obtuincd hy using a rcwnlly
calibrafed tPxfxrLma1 powcv- rcjkrcncc. or by tollowing
flic
procdirre in Perfor-
mance Test 7-Power
Reference Accuracy (Using DC Substitution).
Equipment
Power Reference
.........................................................
HP
435A Opt
KO5
Sensor Module
.................................................................
H P I 1722A
Procedure
1. Connect the input of the sensor module (or a compatible power sensor connected to the
2. On the Measuring Receiver, press RF POWER. Press RATIO and check that LOG/LIN is in
3. Connect the power sensor/input switch
to the CALIBRATION RF POWER OUTPUT con-
Measuring Receiver's SENSOR input) to the output of the external power reference.
the linear mode. (The display should read between 99.9 and lOO.Io/o REL.)
nector of the Measuring Receiver. The display should read 98.1 and 101.9(%) REL.
R F Power Reference Accuracy: 98.1
101.9'%1 REL
4-25
Advertisement
Chapters
