8003 Precision Scalar Analyzer
vi Manual 20791, Rev. C, June 2001
Illustrations
Figure 1-1: Power Line Connection .........................................................................1-2
Figure 1-2: Operating Voltage Selection..................................................................1-4
Figure 1-3: Uncertainty Due to Instrument Linearity & Zero Set vs. Input Power ....1-9
Figure 1-4: Reflection Uncertainty Relative to Directivity .......................................1-10
Figure 1-5: Reflection Uncertainty Relative to Source Match.................................1-10
Figure 2-1: 8003 Front & Rear Panel Components..................................................2-2
Figure 2-2: Display Screen Information Locations ...................................................2-8
Figure 2-3: Typical Channel Summary Indications ................................................2-10
Figure 2-4: 8003 Front Panel Controls ..................................................................2-12
Figure 2-5: Channel Control Menus Access w/ DEFINE Key ..................................2-17
Figure 2-6: Function Menus Accessed with the MEAS & SCALE Keys..................2-18
Figure 2-7: Function Menus Accessed w/ DISPLAY Key........................................2-26
Figure 2-8: PLOT ALL Function Hardcopy Printout (Typical)..................................2-27
Figure 2-9: PLOT 4 Function Hardcopy Printout....................................................2-28
Figure 2-10: SC P1P2 Function Screen Hardcopy Printout ......................................2-29
Figure 2-11: Function Menus Accessed with the CAL Key ......................................2-36
Figure 2-12: Function Menus Accessed with the CURSOR & MEMORY Keys .........2-42
Figure 2-13: Softkey Menu Change from Frequency Change Prompt ......................2-52
Figure 2-14: Stop Key Softkey Menu Prompt ..........................................................2-53
Figure 2-15: Power Softkey Menu Prompt ..............................................................2-54
Figure 2-16: System Control Menus Accessed with CONFIG Key (Part 1) ...............2-58
Figure 2-17: System Control Menus Accessed with the CONFIG Key (Part 2) .........2-59
Figure 2-18: Analyzer, Sweeper, Sensor & Bridge Interconnection .........................2-66
Figure 2-19: CAL Softkey Menu ..............................................................................2-67
Figure 2-20: Sensor CAL Menu...............................................................................2-67
Figure 2-21: Sensor Calibration Display Screen ......................................................2-68
Figure 2-22: New Frequency Parameters Display Screen........................................2-69
Figure 2-23: Autoscaled thru Path Before Path Calibration Display .........................2-70
Figure 2-24: THRU PATH Calibration Menu ............................................................2-71
Figure 2-25: Calibrated Path Display.......................................................................2-72
Figure 2-26: Successful SHORT/OPEN CAL Display w/ Open Attached ...................2-73
Figure 2-27: Device Measurement Plot (Typical Display).........................................2-74
Figure 2-28: Cursor Plot Typical Display .................................................................2-74
Figure 2-29: Swept Source & Power Sensor Only Block Diagram (w/ DUT) ............2-75
Figure 2-30: More Accurate Insertion Loss Ratioing Meas. (Back-to-Back Adpts. Improv-
ing Source Match) ..............................................................................2-76
Figure 2-31: Two Sensor Insertion Loss Setup w/ a Power Splitter.........................2-77
Figure 2-32: Two Sensor Insertion Loss using a Directional Coupler.......................2-77
Figure 2-33: Return Loss Setup Using a Bridge ......................................................2-79
Figure 2-34: Return Loss Test Setup Using a Directional Coupler ...........................2-80
Figure 2-35: Two Sensor Return Loss Setup Block Diagram ...................................2-81
Figure 2-36: Three Sensor Configuration Block Diagram.........................................2-82
Figure 2-37: “Golden Standard” Precision 20 dB Attenuator Measurement Using 20 dB
Attenuator Reference..........................................................................2-83
Figure 2-38: Device Gross Characteristics (Filter Skirt) Display ...............................2-84
Figure 2-39: Device Fine Characteristics (Filter Pass Band) Display.........................2-84
Figure 2-40: SCALE Display & Softkey Menu Typical Display .................................2-85
Figure 2-41: REF
→
CURSOR Function puts Local Maximum Reference Point at the Ref-
erence Point for Easy Scale Factor Expansion .....................................2-86
Figure 2-42: Typical Measurement (Cursors, Delta Cursors & Markers) ..................2-87
Figure 2-43: MAX Search Finds Minimum Return Loss of a Filter (Passband) .........2-88
Figure 2-44: MIN Search Finds Max. Insertion Loss Point (20 dB Fixed Attenuator)2-88
Figure 2-45: -3 dB Point (Low Pass Filter) at 3.175 GHz .........................................2-89
Figure 2-46: -30 dB Point (High Pass Filter) ............................................................2-90
Figure 2-47: Automatic Bandwidth Movement (Very Narrow Bandpass Filter) .......2-91
Figure 2-48: Cursor Delta Indicates Relative Level & Frequency (Next Worse Return Loss
Point) .................................................................................................2-92
Figure 2-49: Cursors (Each Channel) Tied to Same Frequency Help Finding the 1 dB Com-
pression Point on an Amplifier ............................................................2-93
Figure 2-50: Filter Passband (Tuned Until Amplitude is -0.5 dB at the Marker) .......2-94
Figure 2-51: Sensor Calibration Screen ...................................................................2-95
Figure 2-52: Sensor ID Table ..................................................................................2-96
Figure 2-53: Sensor CAL Factor Table.....................................................................2-96
Figure 2-54: 8003 Swept Power Measurements with CAL Factor Correction..........2-97
Figure 2-55: CW Readings (All 3 Sensor Inputs Plus Ratio).....................................2-98
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