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Atec Agilent-81618A User Manual

Page 47

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Performance Tests

Performance Tests

Agilent 81618A/9A and Agilent 81622B/3B/4B/6B/7B/8B User’s Guide, Second Edition

47

8 Perform the following sub-procedure for the reference Power Meter,

81634B:

a

Press [Menu], move to <Range mode>, move to <Manual>, and
press Enter.

b

Move to <Range>, press Enter, move to <-50 dBm>, press Enter,
and press [Close].

9 Perform the following sub-procedure for the DUT, 8162xB:

a

Press [Menu], move to <Range mode>, move to <Manual>, and
press Enter.

b

Move to <Range>, press Enter, move to <10 dBm>(40 dBm for
81628B), and press Enter.

c

Zero both Power Meters. Move to <Zero all> and press Enter.

10 Enable both attenuators.

11 Adjust the attenuation of Atty2 in order to achieve -47.2 dBm on the

reference Power Meter.

N O T E

For 81628B:

Before starting the measurement move to the DUT channel and enter a

calibration factor of 31 dB. This simulates the disconnected

integrating sphere. If the power at the DUT overflows when switching

to the lower range decrease the calibration factor (e.g. to 30 dB) and

start the linearity test again.

+10 dBm Range (equivalent to +40 dBm range for
81628B)

12 Applies to the 81622B and 81626B only:

Switch to the 20 dBm range and note both power readings as n=0 in

the test record, which is given at the end of the test descriptions

(#0, that is n=0). Switch back to the 10 dBm range.

13 Note both power readings as the first value (n=1) in the test record,

which is given at the end of the test descriptions (#1).

14 Increase the attenuation of Atty1 until the power reading of the

DUT shows about +2.8 dBm.

15 Note the InRange-values in the test record (#2)

16 At the DUT, 8162xB, move to , press Enter, move to <0

dBm> (30 dBm for 81628B), and press Enter.

17 Adjust the attenuation of Atty2 in order to be on the upper limit of

the -50 dBm range at the reference power meter (i.e. -47.2 dBm).