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Table 9-8A HP 70427A Configuration 3 - 600 MHz Free-running Oscillator, Units repaired after April 2014
Input Frequency
1.5 to 3.0
GHz
3.0 to 4.2
GHz
4.2 to 6.0
GHz
6.0 to 7.8
GHz
7.8 to
10.2 GHz
10.2 to
12.6 GHz
12.6 to
18.0 GHz
18.0 to
26.5 GHz
Technical Data
HP 71707A/70427A Specifications
Configuration 3 - 600 MHz Free-running Oscillator:
Good phase noise <10 kHz frequency offsets, wide tuning sensitivity (LO
and IF noise only). Refer to
Offset From Carrier (Hz)
1
2
1
10
100
Nom.
+15
-35
-75
Spec.
Nom.
+18
-32
-72
Spec.
Nom.
+21
-29
-69
Spec.
Nom.
+23
-27
-67
Spec.
Nom.
+25
-25
-65
Spec.
Nom.
+27
-23
-63
Spec.
Nom.
+30
-20
-60
Spec.
Nom.
+33
-17
-57
Spec.
1
All noise levels above -30 dBc/Hz are 3 dB below S φ (f) expressed in dB with
2
respect to 1 rad
/Hz
2
All noise levels above -40 dBc/Hz are 3 dB below S φ (f) expressed in dB with
2
respect to 1 rad
/Hz
9-18 HP 70427A/HP 70428A User's Guide
Table
9-8A.
1k
10k 100k
1M
10M 40M
-108 -134 -145 -145 -145 -145
-102 -133 -146 -147 -147 -147
-101 -130 -144 -147 -147 -147
-99
-128 -143 -147 -147 -147
-96
-126 -141 -145 -145 -145
-95
-124 -140 -143 -143 -143
-91
-122 -137 -140 -140 -140
-88
-117 -130 -130 -130 -130
Spurious (dBc)
≥
100
1k
10k
-40
-75
-80
-30
-65
-70
-34
-74
-80
-24
-64
-70
-34
-74
-80
-24
-64
-70
-34
-74
-80
-24
-64
-70
-30
-70
-80
-20
-60
-70
-30
-70
-80
-20
-60
-70
-27
-67
-70
-17
-57
-60
-24
-64
-70
-14
-54
-60
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