HP E4418A, Service Manual

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Specifications
Power Meter Supplemental Characteristics
1-10 HP EPM-441A/442A Service Guide
For HP ECP-series power sensors
In FAST mode, within the range -50 dBm to +17 dBm, for a 10 dB
decreasing power step, the settling time is 10 ms
1
for the HP EPM-441A
and 20 ms
1
for the HP EPM-442A
1
When a decreasing power step crosses the power sensor’s auto-range
switch point, add 25 ms. Refer to the relevant power sensor manual for
further information.
For HP ECP-series power sensors in normal and x 2 speed modes, manual
filter, 10 dB decreasing power step:
Table 1-5: Settling Time
Number of
Averages
1 2 4 8 16 32 64 128 256 512 1024
Settling Time (s)
(Normal Mode) 0.07 0.12 0.21 0.4 1 1.8 3.3 6.5 13 27 57
Response Time (s)
(x2 mode) 0.04 0.07 0.12 0.21 0.4 1 1.8 3.4 6.8 14.2 32
4402serv.book Page 10 Monday, March 11, 2002 11:34 AM