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H
52382-900A
Vol.
1
para«
32
(continued)
The drift
Is
not
cumulative;
the
oscillators
are
reset every
10
seconds
or
during each
sweep
ret race
»
whichever
Is
the longer#
Spectral purity
Coherent sidebands
Better than -83 dBc using
3
Hz
filter.
(**
UNDER REVIEW*^)
Displayed noise
sidebands
At
100 MHz:
Offset from
Displayed noise
carrier
(normalized
to
bandwl dth)
too Hz
<-90 dBc
300 Hz
<-95 dBc
20 kHz
<-100 dBc
Frequency otfseC
Flg»
3
Typical SSB noise
vs
offset from carrier
33.
AHPLITUDE
Measurement range
—150 dBm
to
+30
dBm;
100
nV/dlv
to
500 mV /dlv.
Overload protected
to
+47 dBm (50W) by means
of
a
latching relay which can
be reset
using
INTMD
IDENT
key.
Sep. 85
Chap.
1
Page
13
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