Related Manuals for Agilent Technologies PN 8510-16
Summary of Contents for Agilent Technologies PN 8510-16
- Page 1 Agilent PN 8510-16 Controlling Test Port Output Power Flatness Product Note Agilent 8510C Network Analyzer...
- Page 2 Introduction 1. In this document, “test port” will refer to the point in the system where the test device is connected. This may be port 1 or port 2 of any 8510 coaxial-based test set or the end of a cable or adapter that is attached to the DUT. 2.
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Page 3: System Configuration
System Configuration 85107B Measurement System 8510C network analyzer 8517B test set 8485A power sensor E4418B power meter 83651B synthesized sweeper Figure 1. Basic Agilent 85107B measurement system con- figuration for test port flatness correction... - Page 4 Flatness-Correction Operation Power Source 1 Figure 2. Comparison of test port power without flatness correction (channel 1) and with flatness correction (channel 2)
- Page 5 Table 1. Flatness-correction calibration procedure 8510C Keystrokes Description Set up the power meter (see Table 2) For proper operation, the E4418B must be set up before initiating the flatness-correction routine. See Table 2 for specific instructions. Verify the power meter's address on the 8510 system [LOCAL] When shipped from the factory, the address of the power meter is 13.
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Page 6: Command Set
Table 2. Agilent E4418B power meter setup E4418B Keystrokes Description Preset and zero the power meter [PRESET/LOCAL] Return the power meter to a known state. {CONFIRM} [ZERO/CAL] {ZERO} Set up the 437B emulation on the power meter [SYSTEM/INPUTS] The 437B command set must be activated in order to perform the power flatness calibration. Power meters that can be used in {REMOTE INTERFACE} place of the E4418B are the E4418A and 437B. -
Page 7: Operational Considerations
Operational Considerations Calibration time Table 5. Typical calibration times (in minutes) versus number of calibration points with maximum leveled source power Number of Points 83620B/83621B 83631B 83651B with 8514B with 8515A with 8515A with 8517B Power control with flatness correction IF Overload Source 1 Warning—RF Unleveled... - Page 8 Verifying a flatness-correction calibration When to recalibrate Adjusting the frequency span after calibration Using test set step attenuators with flatness correction...
- Page 9 Using test port 1 calibrations on test port 2 Flatness corrections in fixture or wafer-probing environments Figure 3. Corrected test port power using port 1 flatness correction on port 1 (channel 1) and port 2 (channel 2) 1. Test sets with option 003 (high forward dynamic range) cannot be used because the reverse transmission dynamic range is degraded.
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Page 10: Practical Application Examples
Practical Application Examples Absolute output power measurements with flatness correction Table 6. Absolute output power measurements with flatness correction 8510C Keystrokes Description Set up the source and power meter as illustrated in Figure 2 Set up the measurement PARAMETER [MENU] Set up the analyzer for a b measurement. - Page 11 Amplifier measurement example Table 7. Absolute output power and 1 dB compression measurements of an amplifier 8510C Keystrokes Description Perform the flatness-correction calibration as presented in Table 1 Set up the test port power level STIMULUS [MENU] Set the test port power below the amplifier’s compression level (P ) and within the settable power range presented {POWER MENU} in Table 4.
- Page 12 Agilent Technologies’ Test and Measurement Support, Services, and Assistance Online Assistance www.agilent.com/find/assist Phone or Fax United States: (tel) 1 800 452 4844 Canada: (tel) 1 877 894 4414 (fax) (905) 206 4120 Europe: Our Promise (tel) (31 20) 547 2323...