Agilent Technologies 8360 L Series, Руководство по обслуживанию

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2. Load the measuremen t softw are for the phase noise measuremen t system.
3. On the syn thesizer, press:
4
CW
5 4
6.99
5 4
GHz
5
4 POWER LEVEL 5 4 0 5 4 dBm 5
4. On the phase noise measuremen t system, set:
Measurement Type: phase locked
Start Offset Freq: 100 Hz
Stop Freq: 2 MHz
Minimum Averages: 40
Carrier Frequency: 6.99 GHz
Det Input Freq: 50 MHz
DUT: user's srce, man
Ref Source: 8662A, SYS, VCO, EFC
Ext Timebase: not in use
Down Converter: 1179C, SYS
HP 11848A LNA: out
Note
T o a v oid en tering these parameters eac h time y ou p erform this test, create a
le on the phase noise measuremen t system con taining these parameters.
With these parameters en tered, the softw are automatically sets the remaining parameters.
T able 2-15 sho ws the complete set of parameters.
T able 2-15. Phase Noise Measurement System P arameters
Measurement T yp e: phase lo c ked K V CO Metho d: measured
Start Oset F req: 100 Hz V CO T une Constan t: 82.33 Hz/V
Stop F req: 2 MHz
Minim um Av erages: 40
Lo op Suppression: V eried
Closed PLL BW: 150.5 Hz
Carrier F requency: 6.99 GHz P eak T uning Range: 725.1 Hz
Det Input F req: 50 MHz Assumed P ole: 37.9 kHz
Entered K V CO: 28 Hz/V DUT: user's srce, man
Cen ter V oltage: 0 V Ref Source: 8662A, SYS, V CO, EF C
T une-v oltage Range: 610 V Ext Timebase: not in use
Phase Detector: 5 to 1600 MHz Down Con verter: 11792C, SYS
K Detector Metho d: measured HP 11848A LNA: Out
Detector Constan t: 458.8 mV/Rad
5. F ollo w the instructions on the con troller to make the phase noise measuremen t.
6. The dynamic signal analyzer has t w o traces. The sine w a v e sho ws the b eatnote frequency
in time domain (like an oscilloscop e). The other trace is in the frequency domain (like a
sp ectrum analyzer).
2-50 P erformance T ests
Single Sideband Phase Noise
Agilent 8360