40E6 -70; 1E3 -70; The Spurious Specs Must Be Entered In Reverse Order With An Extra Point At 40 - HP 70427A User Manual

Table 14-10
Σπ
Performance Tests
Test 3 - AM Noise and Spurs (mW LO)
Spec Lines: AM Noise of Source (Test 3)
Poi Offset Amplitu
nt Frequency de
(Hz) (dBc/Hz)
1 1 –95
2 10 –105
3 100 –112
4 1E3 –128
5 10E3 –138
6 100E3 –148
7 1E6 –150
8 40E6 –150
9 40E6 –70
10 1E3 –70
11 10 –50
The softkey is under the results graph definition menu. Use the
Spec Lines
offsets from the result table for the offset frequency and the max spec from
the result table for the amplitude. AM noise specs are entered in order, but

the spurious specs must be entered in reverse order with an extra point at 40

MHz.
Step 2 - Configure the DUT
1. Make sure the DUT is the active MMS module (ACT indicator lit):
a. Press the
DISPLAY
b. Press the
NEXT INSTR
2. Press the
INSTR PRESET
3. Access the Source screen: if the module is an HP 70427A or HP 70428A
Option 002 press the
4. Set the frequency to 12.6 GHz
a. Press the
Output
b. Press the softkey.
FREQ
c. Enter 12.6 with the numeric keypad.
d. Press the softkey.
GHz
14-26 HP 70427A/HP 70428A User's Guide
key.
softkey until the DUT's ACT indicator lights.
key.
softkey.
Source
softkey.