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Technical Data
HP 71708A/70428A Specifications
Configuration 1 - All Oscillators Locked:
Best phase noise <100 Hz frequency offsets, narrow tuning sensitivity. Refer
to
Table 9-10
HP 70428A Source Configuration 1 - All Oscillators Locked
Output Frequency
1
1
2.4 to 3.0
Typ.
-50
GHz
Spec
-45
.
3.0 to 4.2
Typ.
-47
GHz
Spec
-42
.
4.2 to 6.0
Typ.
-44
GHz
Spec
-39
.
6.0 to 7.8
Typ.
-42
GHz
Spec
-37
.
7.8 to 10.2
Typ.
-40
GHz
Spec
-35
.
10.2 to
Typ.
-38
12.6 GHz
Spec
-33
.
12.6 to
Typ.
-35
18.0 GHz
Spec
-30
.
18.0 to
Typ.
-32
25.8 GHz
Spec
-27
.
1
respect to 1 rad
9-26 HP 70427A/HP 70428A User's Guide
Table
9-10.
Offset From Carrier (Hz)
10
100
1k
10k
-80
-100
-128
-138
-75
-95
-123
-133
-77
-97
-125
-136
-72
-92
-120
-131
-74
-94
-122
-134
-69
-89
-117
-129
-72
-92
-120
-132
-67
-87
-115
-127
-70
-90
-118
-130
-65
-85
-113
-125
-68
-88
-116
-128
-63
-83
-111
-123
-65
-85
-113
-125
-60
-80
-108
-120
-62
-82
-110
-122
-57
-77
-105
-117
All noise levels above -30 dBc/Hz are 3 dB below S φ (f) expressed in dB with
2
/Hz
100k
1M
10M
40M 10 to 100
-148
-152
-152
-152
-143
-147
-147
-147
-146
-150
-150
-150
-141
-145
-145
-145
-144
-148
-148
-148
-139
-143
-143
-143
-143
-147
-147
-147
-138
-142
-142
-142
-141
-145
-145
-145
-136
-140
-140
-140
-140
-143
-143
-143
-135
-138
-138
-138
-137
-140
-140
-140
-132
-135
-135
-135
-134
-136
-136
-136
-129
-131
-131
-131
Spurious (dBc)
1k to
100 MHz
-60
-80
-50
-70
-54
-80
-44
-70
-54
-80
-44
-70
-54
-80
-44
-70
-50
-80
-40
-70
-50
-50
-40
-70
-47
-70
-37
-60
-44
-70
-34
-60
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