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to
Ercdl€E
Date:9-1-87
Product:
See
list
MANUAL
CHANGE
INFORMATION
Change
Reference:
C1
1887
Manual Part
No:
See
list
product
Group:
26
INSTRUMENT
494N494AP
Op€rators
494N4944P
Service 1
Part No.
070-s557-01
070-5560-00
gN
8010227and
up
Feplaca
sanshlvlty
table
In
the
speclflcailon
secilon
wlth the tabte betow.
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I
I
'
Specified
using externalTEliTRONlX
Wavequide
Mixers.
b
Option
07
replaces
the 100 kHz filter
with
a
300
kHz fitter.
# Revised
8-25-87
Equivalent
Input Noise in
dBm vs.
Resohrtion
Bandwidth
Frequency
Range
10 Hz
1O0 Hz 1 kHz 10 kHz 10O kH2f
1
MHz 3 MHz
Band 1
10
kHz-1.8
GHz
-134
-12s
115
-105 -95
€5
-80
Bands2
&
3
1.7
GHz-7.1
GHz
-12s
-1
19
-109 -99
-89
:19
-74
Band
4
5.4 GHz-12
GHz
-11
I
-1
05
-95 -85 -75
€5
-60
Band
4
12 GHz-18
GHz
-107
-100
-90
-80
-70
€0
-55
Band
5 15
GHz-21
GHz
#
-106
-99 -89 -79
-69 .59
-54
Band
5'
18
GHz-27
GHz
-1
16
-108 -100
-90
-80
-70
-65
Band 7'&
8.
25.5 GHz-€0
GHz
-11
1
-103
-95
-85
-7s
€5
-60
Band
9.
50
GHz-€0
GHz
(1
kHz
Bandwidlh)
Band 10'
75 GHz-140
GHz
(1
kHz Bandwidth)
Band 11'
11OGHz-ZZ0GHz
,
(1
kHz Bandwldth)
Band 12'
170
GHz-825
GHz
(1
kHz
Bandwidth)
Typically
-95
dBm at
50
GHz,
degrading to
-85
dBm at
90 GHz.
Typically
-90
dBm at 75 GHz, degrading
to
-75
dBm at
140 GHz.
Typkafly
-80
dBm
at
1
'l
0
GHz,
degrading
to
-65
dBm al220
GHz.
Typlcally
-70
dBm
at 170 GHz,
degrading
to
-55
dBm at
325 GHz.