HP 70427A/HP 70428A User’s Guide
14-17
Performance Tests
Test 2 - Phase Noise and Spurs (mW LO)
3. Define graph of results
•
Title: 12.6 GHz carrier with 20 ppm/V tuning.
4. Enter spec lines
Table 14-7
Spec Lines: 12.6 GHz Phase Noise and Spurs (Test 2)
The
Spec Lines
is under the results graph definition menu. Use the offsets
from the result table for the offset frequency and the max spec from the
result table for the amplitude. Phase noise specs are entered in order, but the
spurious specs must be entered in reverse order with an extra point at 40
MHz.
5. Set tuning sensitivities to 20 ppm/V
Do this on the reference source and the DUT.
a.
Press the
Ref Chain
softkey.
b.
Press the
Tune Sens
softkey.
c.
Press the
20 ppm/V
softkey.
d. If necessary, make the other module active by pressing the
DISPLAY
key followed by the
NEXT INSTR
softkey. Press the
MENU
key to
display the module’s softkeys.
Point
Offset Frequency
(Hz)
Amplitude
(dBc/Hz)
1
1
+32
2
10
–18
3
100
–58
4
1E3
–98
5
10E3
–123
6
100E3
–135
7
1E6
–138
8
40E6
–138
9
40E6
–70
10
10E3
–70
11
1E3
–60
12
100
–20
Summary of Contents for 70427A
Page 11: ...x HP 70427A HP 70428A User s Guide Declaration of Conformity ...
Page 13: ... xii HP 70427A HP 70428A User s Guide Typeface Conventions ...
Page 243: ...9 42 HP 70427A HP 70428A User s Guide Technical Data HP 70428A Option 002 Specifications ...
Page 299: ...10 56 HP 70427A HP 70428A User s Guide Softkeys and Displays IF Figure 10 42 μW Mode HP70472A ...
Page 385: ...10 142 HP 70427A HP 70428A User s Guide Softkeys and Displays YTF Cal ...
Page 435: ...12 14 HP 70427A HP 70428A User s Guide Remote Programming Commands ...
Page 607: ...15 10 HP 70427A HP 70428A User s Guide Adjustments 10 MHz Oscillator Adjustment ...
Page 611: ...16 4 HP 70427A HP 70428A User s Guide Customer Support ...