HP 70427A User Manual page 553

NOTE
Performance Tests
Test 6 - Phase Noise and Spurs of Downconverter
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 3.0 GHz (this frequency is not tested, the only
reason for entering it is that the source must have a frequency entered
before it will accept a power level):
a. Press the
Output
b. Press the
FREQ
c. Enter 3 with the numeric keypad.
d. Press the softkey.
GHz
5. Set the output power to +10 dBm:
a. Press the
Output
b. Press the
POWER
c. Enter 10 with the numeric keypad.
d. Press the softkey.
dBm
Turn the HP 70428A Option K01 on now.
Step 3 - DUT initial configuration
1. Make the DUT the active MMS module (ACT indicator lit):
a. Press the
DISPLAY
b. Press the
NEXT INSTR
indicator lights.
2. Press the
INSTR PRESET
3. Set the DUT's input attenuation to 20 db.
a. Press the
Amplitudes
b. Press the
More 1 of 2
c. Press the
INPUT ATTEN
d. Enter 20 with the numeric keypad.
e. Press the softkey.
dB
This completes the setup. Measurements are made in steps 4 through 6.
14-42 HP 70427A/HP 70428A User's Guide
key.
softkey.
Source
softkey.
softkey.
softkey.
softkey.
key.
softkey until the reference source's ACT
key.
softkey.
softkey.
softkey.