Table of Contents
Advertisement
Table 14-8
Spec Lines: 25.8 GHz Phase Noise and Spurs
Point
Offset Frequency
1
1
2
10
3
100
4
1E3
5
10E3
6
100E3
7
1E6
8
40E6
9
40E6
10
10E3
11
1E3
12
100
The
Spec Lines
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
a. Press the
b. Press the
c. Press the
d. If necessary, make the other module active by pressing the
key followed by the
display the module's softkeys.
6. Set the reference source and DUT frequency to 25.8 GHz
a. Press the
b. Press the
c. Enter 25.8 with the numeric keypad.
d. Press the
Test 2 - Phase Noise and Spurs (mW LO)
Amplitude
(Hz)
(dBc/Hz)
+38
–12
–52
–92
–117
–129
–131
–131
–60
–60
–54
–14
softkey is under the results graph definition menu. Use the
softkey.
Ref Chain
softkey.
Tune Sens
softkey.
20 ppm/V
NEXT INSTR
softkey.
Output
softkey.
FREQ
softkey.
GHz
HP 70427A/HP 70428A User's Guide 14-19
Performance Tests
softkey. Press the
MENU
DISPLAY
key to
Advertisement
Table of Contents
