ENA Multiport Solution Setup Procedure of MWA Software for Balanced Cables (16-port) Step 1. Define a test plan Step 2. Create a setup file Step 3. Perform measurement Agilent Technologies Rev. 01.00 Apr. 2009 Agilent Technologies MWA Setup Procedure Apr. 2009 Step 1. Define a Test Plan DUT (Balanced Cable) • 4- twisted cables typically used for high-speed digital interface. • 16 single-ended ports are needed for single connection measurement. Logical port Physical port (Differential) (Single-ended) 1 3 5 7 Physical port Logical port (Single-ended) (Differential) 1 2 3 5 4 6 7 8 9 10 11 12 13 14 15 16 2 4 6 8 Agilent Technologies MWA Setup Procedure Apr. 2009 Step 1. Define a Test Plan Measurement Parameters - Example • Mixed S-parameter measurements (i.e. Sdd21, Sdd11) are needed for all differential ports. (1) (2) (3) (4) (5) Return loss Insertion loss Near-end crosstalk (NEXT) Far-end crosstalk (FEXT) Isolation to other ports (ex. ) From port 1 to other ports (2) Insertion Loss (1) Return Loss (3) NEXT 1 2 3 4 5 6 (5) Isolation 7 (4) FEXT : Measurement Necessary 8 Measurement matrix of 8 differential ports Agilent Technologies MWA Setup Procedure Apr. 2009 Step 1. Define a Test Plan Measurement with ENA Multiport Solution • Single connection with the 4-port ENA & two E5092As is available for 16-port full crossbar measurement. • Fixture simulator on the ENA provides unbalanced-to-balanced conversion. 4-port ENA E5092A #1 E5092A #2 3 1 2 4 7 9 10 8 6 5 13 15 11 12 14 16 16-port full crossbar configuration of the ENA & two E5092As : Measurement possible Measurement matrix (16-port full crossbar configuration) Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-1. Launch MWA Front-end Application • Run the MWA Front-end application (“mwa_xxxx.xls”). 1. Copy the MWA Front-End application • Copy “mwa_xxxx.xls” in your PC. • Launch by double-clicking. 2. Enable Excel Macro • Click “Options..” on “Security Warning” tab. • Select either “Enable this contents” or “Trust all documents from this publisher”. Note: The latest revision of the MWA can be downloaded at: http://www.agilent.com/find/mwa Note: Microsoft Excel 2007 is required to operate the Front-end application of the MWA with rev.1.11. Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-2. Multiport Test Set setup • Select the appropriate instrument and measurement configuration of the multiport test set based on the test plan. 1. Select [E5092A X10-Port] of 10-port full crossbar configuration for E5092A #1 & #2. 2. Rename ports of E5092A #2 [7 to 16] E5092A #1 E5092A #1 E5092A #2 E5092A #2 3. Measurement connectivity matrix is automatically updated. Multiport Test Set Sheet of the MWA Front-end Application 1 2 3 4 7 9 8 10 5 6 11 13 15 12 14 16 Port number of the 16-port full crossbar configuration with the two E5092As Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-3. DUT setup • Enter information of the DUT, port connection, and parameters of Fixture Simulator functions on the ENA. 1. Assign differential port name of DUT (“P1” to “P8”) 2. Select [Differential] for DUT ports E5092A #1 .. E5092A #2 4 7 8 9 10 P1 P1+ 3. Assign port of test set connected to DUT (“TS1: 1” to “TS2: 16”) Note: “TS1” means Test Set (=E5092A) #1. 4. Set parameters of the Fixture Simulator (optional) DUT sheet of the MWA Front-end Application 3 1 2 P1P3 P3+ P3P5 P5+ P5P7 P7+ P7- 5 6 13 15 11 12 1416 P2+ P2P4+ P4P6+ P6P8+ P8- P2 P4 P6 P8 Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-4. Mode setup • Define the operation mode of the DUT. • Measurement will be performed for the mode that is turned on in this sheet. 1. Enter mode name ( “P1 to P8 Input”) 2. Turn on modes for test by double-clicking the cell 3. Setup High/Low bits for control line (optional) Note: If DC control function of the E5092A is not used, no need to setup in the cell. Mode sheet of the MWA Front-end Application Note: For details on DC control function of the E5092A, see FAQ “Is it possible to supply a DC control voltage to a multiport DUT with the E5092A”. Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-5. GPIB setup (optional) • Set GPIB commands for controlling other instruments connected to the ENA via USB/GPIB interface. Note: No need to setup in this sheet, if no peripherals are used for measurement with the MWA. GPIB sheet of the MWA Front-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-6. Spec Sheet setup • Input all the measurement parameters and specified values for the limit test by the Back-end application. 1. Set measurement path 2. Select format type 3. Set stimulus parameters 4. Define limit values (=specification of DUT) : Spec Sheet spreadsheet of the MWA Front-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-6. Spec Sheet setup • Input all the measurement parameters and specified values for the limit test by the Back-end application. To increase measurement paths in the mode: A) double-click in mode cell, or B) right-click in cells of stimulus parameters to show dialog box. A. Double-click in mode cell B1. Right-click in cells of stimulus parameters B2. Select [Insert Record] in a dialog box Spec Sheet spreadsheet of the MWA Front-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-7. Output setup • Generate a spec sheet (*.mwa) including all setup parameters for measurement. 1. Identify required number of channels and traces on the ENA. (i.e. Max 56 channels and 2 traces) Note: The MWA automatically allocates in channels/traces of the ENA, and the list of allocation is updated in this sheet. 2. Set the max number of channels and traces available on the ENA. (ex. “72 Ch, 9 Tr, 401 Points”) 3. Generate and save a spec sheet (*.mwa) : 1 1 : Output sheet of the MWA Front-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 2. Create a Setup File 2-6. Output setup • Measurement parameters entered in Spec Sheet spreadsheet are automatically allocated to traces of channels on the ENA. : Spec Sheet spreadsheet : Output sheet Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-1. Instrument setup (1) • Setup the ENA & E5092A Configurable Multiport Test Set. 1. Set ID for E5092A • Assign different ID for each E5092A ID Bit Switch on the E5092A rear panel 2. Connect USB cable • Connect the ENA & E5092A via USB cables Bit 0 for the 1st test set (left), Bit 1 for the 2nd test set (right) Note: For more details on using multiple E5092As, see FAQ “Can we control multiple E5092As from one ENA for increasing the number of test ports?”. Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-1. Instrument setup (2) • Setup the ENA & E5092A Configurable Multiport Test Set. Note: When using two E5092As, it is highly recommended that the instruments should be installed in a rack to avoid mechanical damage of the connectors. 1. Connect ENA & E5092A • Connect adaptors on the ENA • Connect the ENA & E5092A with semi-rigid cables E5092A #1 1 3 4 7 8 9 10 2 E5092A #2 5 6 11 13 15 12 14 16 2. Setup 10-port full crossbar configuration with each E5092A • Connect semi-rigid cables on the E5092A 16-port full crossbar configuration of the ENA & E5092A Note: For more details on connection between the E5071C & E5092A, see FAQ “How can I get the accessories (cables and adaptors) for measurement setup of the ENA & the E5092A?”. Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-1. Instrument setup (3) • Setup the ENA & E5092A Configurable Multiport Test Set. 1. Connect two E5092A • Connect cables between the E5092As 4 1 2 1. Agilent P/N: E5092-61633 2. Agilent P/N: E5092-61638 3. Agilent P/N: E5092-61639 4. Agilent P/N: E5092-61632 3 E5092A #1 Note: Connection between two test sets are pre-defined in the Multiport Test Set sheet of the MWA Front-end application. Multiport Test Set Sheet of the MWA Front-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-2. Launch the Back-end Application • Run the MWA Back-end application after the channel/trace setup of the ENA 1. Setup Channel/Trace on the ENA • [System] > Service Menu > Channel/Trace Setup > “72 Ch / 9 Tr 401 Points” • Select the appropriate channel/trace setup based on the maximum required channels or traces (See Output sheet of the MWA Front-end application.) 2. Copy the MWA Back-End application • Copy “mwa_xxxx.vba” to the directory of ENA. (*1) • Copy a spec sheet (*.mwa) created by Front-end application. 3. Select and launch the MWA Back-End application • [Macro Setup] > Load Project > Select “mwa_xxxx.vba” • [Macro Run] *1: When saved under “D¥VBA” of the ENA, the Back-end application can be directly launched by [Macro Setup] > Load & Run > “mwa_xxxx” Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-3. Import a setup file • Import a setup file (spec sheet, *.mwa) created by the MWA Front-end application. 1. Select [Add Spec Sheet Group] 2. Create new group file (“*.ssg”) 3. Add spec sheet (“*.mwa”) 4. Setup parameters of recalled spec sheets 5. List of recalled spec sheet is updated. Main window of the MWA Back-end Application Spec sheet dialog box of the MWA Back-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-4. Perform calibration • Perform necessary calibration with the calibration wizard of the MWA. 1. Select [Cal Wizard] Main window of the MWA Back-end Application 2. Select [4 Port ECal] 3. Select [NEXT] to continue 4. Repeat measurement until all necessary calibrations are performed. Calibration wizard dialog box of the MWA Back-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-5. Confirm connection • Confirm correct connection between the DUT and the test set ports. 1. Select [Connection Information] 2. Connect test set ports and DUT 3. Select [Close] to go back to Main window Main window of the MWA Back-end Application Connection Information dialog box of the MWA Back-end Application Agilent Technologies MWA Setup Procedure Apr. 2009 Step 3. Perform Measurement 3-6. Start measurements • Start measurement sequence. 1. Select [Measurement] Main window of the MWA Back-end Application Measurement window of the MWA Back-end Application Agilent Technologies MWA Setup Procedure Apr. 2009