Rohde & Schwarz ZVAX24 Service Manual
  1. Manuals
  2. Brands
  3. Rohde & Schwarz Manuals
  4. Measuring Instruments
  5. ZVAX24
  6. Service manual
Rohde & Schwarz ZVAX24 Service Manual

Rohde & Schwarz ZVAX24 Service Manual

Extension unit
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Service Manual Instrument
Extension Unit
R&S
1311.2509k05
1312.7979.82-02
ZVAX24
Test and Measurement
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ZVAX24 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Rohde & Schwarz ZVAX24

Summary of Contents for Rohde & Schwarz ZVAX24

  • Page 1 Service Manual Instrument Extension Unit R&S ZVAX24 1311.2509k05 Test and Measurement 1312.7979.82-02...

  • Page 2: Dear Customer

    Printed in Germany – Subject to change – Data without tolerance limits is not binding. ® R&S is a registered trademark of Rohde & Schwarz GmbH & Co. KG. Trade names are trademarks of the owners. ® The following abbreviations are used throughout this manual: R&S ZVAX24 is abbreviated as R&S ZVAX24 1312.7979.82...
  • Page 3 Instructions for Electrostatic Discharge Protection Safety Instructions for Units with Removable Cabinet Procedure in Case of Service Ordering of Spare Parts List of R&S Representatives Contents of Manuals for Extension Unit R&S ZVAX24 Tabbed Divider Chapter 1: Performance Test Chapter 2:...

  • Page 5: Table Of Contents

    R&S ZVAX24 Index Index Alignment ............... 2.1 Option Available Power Cables ..........5.2 Installation ..............4.2 List ................4.2 Block diagram Explanation .............. 3.1 Performance test Board replacement Protocol ..............1.19 Fan ................3.9 Performance Test ............1.1 Front hood ............... 3.6 Power cables ..............5.2 Power supply ......3.8, 3.10, 3.11, 3.12, 3.13...

  • Page 7: Alignment

    R&S ZVAX24 Service and Repairs Contents of the Manuals for the R&S ZVAX24 Extension Unit Service manual - instrument This service manual for the instrument contains information on checking specs, instrument align- ment, repairs and troubleshooting. The service manual – instrument contains all the information you will need to repair the instrument by means of board replacement.

  • Page 9: Performance Test

    R&S ZVAX24 Contents Table of Contents - Chapter 1 "Performance Test" 1 Performance Test....................1.2 Test Equipment and Accessories ....................1.3 Checking the through path transmission loss of PORT 1 source path ...........1.4 Checking the through path transmission loss of PORT 3 SOURCE IN to PORT 3 SOURCE OUT..1.4 Checking the through path transmission loss of PORT 2 receiver path ..........1.5...

  • Page 10: Performance Test

    • Unless otherwise specified it is assumed that the R&S ZVAX24 is connected to the R&S ZVA24 USB cable and Cascade (RJ 45) cable. • Rated specifications of the R&S ZVAX24 are tested after a warm-up time of at least 1 hour of R&S ZVA24 and R&S ZVAX24.
  • Page 11 R&S ZVAX24 Performance Test Test Equipment and Accessories Item Type of equipment Recommended Recommended R&S Order No. Application characteristics or model features 10 MHz to 24 GHz R&S ZVA24 (required!) 1145.1110.2x All tests In order to make the pulse gene-rator of the R&S ZVA24...

  • Page 12: Test Equipment And Accessories

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 to Port 1 SOURCE OUT, if option R&S ZVAX-B291 is not installed R&S ZVAX24 Test Port 1, if option R&S ZVAX-B291 is installed Terminate Port 1 MEAS OUT and Port 1 REF OUT, if option R&S ZVAX-B291 is...

  • Page 13: Checking The Through Path Transmission Loss Of Port 2 Receiver Path

    Connect VNA test port 1 to Port 2 MEAS OUT and test port 2 to Port 2 MEAS IN, if option R&S ZVAX-B292 is not installed R&S ZVAX24 Test Port 2, if option R&S ZVAX-B292 is installed Terminate Port 1 MEAS OUT and Port 1 REF OUT, if option R&S ZVAX-B291 is...

  • Page 14: Option Zvax-B211 (Combiner): Checking Transmission Loss And Isolation

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 to Port 3 SOURCE IN Terminate Port 1 Src Out, if option R&S ZVAX-B291 is not installed Terminate R&S ZVAX24 Test Port 1, Port 1 MEAS OUT and Port 1 REF OUT, if option R&S ZVAX-B291 is installed...

  • Page 15: Option Zvax-B251 (Harmonic Filter Source Port 1): Checking The Transmission Loss

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 to Port 1 SOURCE OUT, if option R&S ZVAX-B291 is not installed R&S ZVAX24 Test Port 1, if option R&S ZVAX-B291 is installed VNA settings: - [ Preset ] - [ Cal : Cal Manager : (Apply cal 1 from cal pool) ] - [ Mode : R&S ZVAX Path Config : Src 1 Harmonic Filter ]...

  • Page 16: Option Zvax-B253 (Harmonic Filter Source Port 3): Checking The Transmission Loss

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 Port 1 SOURCE OUT, if option R&S ZVAX-B291 is not installed R&S ZVAX24 Test Port 1, if option R&S ZVAX-B291 is installed Terminate Port 1 MEAS OUT and Port 1 REF OUT, if option R&S ZVAX-B291 is...
  • Page 17 R&S ZVAX24 Performance Test Report VNA settings: - [ Preset ] - [ Cal : Cal Manager : (Apply cal 3 from cal pool) ] - [ Mode : ZVAX Path Config : Src 3 Harmonic Filter ] - [ Start: 1 GHz (8 GHz)]...

  • Page 18: Option Zvax-B252 (Harmonic Filter Receiver Port 2): Checking The Transmission Loss

    Test setup: Connect VNA test port 1 to Port 2 MEAS IN, if option ZVAX-B292 is not installed, to R&S ZVAX24 Test Port 2, if option R&S ZVAX-B292 is installed and test port 2 to Port 2 MEAS OUT Terminate Port 2 SOURCE IN and Port 2 REF OUT, if option R&S ZVAX-B292 is installed 1312.7979.82...

  • Page 19: Option Zvax-B271 (Pulse Modulator Source Port 1): Checking The Transmission Loss

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 to Port 1 SOURCE OUT, if option R&S ZVAX-B291 is not installed R&S ZVAX24 Test Port 1, if option R&S ZVAX-B291 is installed Terminate Port 1 Meas Out and Port 1 Ref Out, if option R&S ZVAX-B291 is installed...

  • Page 20: Option Zvax-B273 (Pulse Modulator Source Port 3): Checking The Transmission Loss

    Connect VNA test port 1 to Port 1 SOURCE IN and test port 2 to Port 1 SOURCE OUT, if option ZVAX-B291 is not installed R&S ZVAX24 Test Port 1, if option R&S ZVAX-B291 is installed Terminate Port 1 MEAS OUT and Port 1 REF OUT, if option R&S ZVAX-B291 is...
  • Page 21 R&S ZVAX24 Performance Test Report VNA settings: - [ Preset ] - [ Cal : Cal Manager : (Apply cal 3 from cal pool) ] - [ Mode : ZVAX Path Config : Src 3 Pulse Modulator ] - [ Pwr BW AVG : Meas Bandwidth : 1 kHz ] - [ Sweep : Sweep Type : Def Pulse Generator…...

  • Page 22: Option Zvax-B272 (Pulse Modulator Receiver Port 2): Checking The Transmission Loss

    Connect VNA test port 1 to Port 2 MEAS OUT and test port 2 to Port 2 MEAS IN, if option R&S ZVAX-B292 is not installed R&S ZVAX24 Test Port 2, if option R&S ZVAX-B292 is installed Terminate PORT 2 SOURCE IN and PORT 2 REF OUT, if option R&S ZVAX-B292 is...

  • Page 23: Option Zvax-B291 (High Power Coupler Port 1): Checking The Reference Channel Coupling Loss

    R&S ZVAX24 Performance Test Report VNA settings: - [ Preset ] - [ Cal : Cal Manager… : (Apply cal 1 from cal pool) ] - [ Pwr BW AVG : Average Factor = 100 : Average On ] - [ Mode : ZVAX Path Config… : Src 2 Pulse Modulator ] - [ Sweep : Sweep Type : Def Pulse Generator…...

  • Page 24: Option Zvax-B291 (High Power Coupler Port 1): Checking The Reference Channel Isolation

    Performance Test Report R&S ZVAX24 Option R&S ZVAX-B291 (High Power Coupler Port 1): Checking the reference channel isolation Only with Option R&S ZVAX-B291 Test equipment: - VNA (item 1) - Test cables (item 2) - adapter 3.5 mm f-f (item 4) - termination 3.5 mm m (item 5)

  • Page 25: Option Zvax-B291 (High Power Coupler Port 1): Checking The Measurement Channel Isolation

    R&S ZVAX24 Performance Test Report Measurement: Marker 1, Marker 2 : Read marker frequency Marker 1 to Marker 8 : Read transmission loss S32 Limit: See Performance Test Report Uncertainty: See Performance Test Report Option R&S ZVAX-B291 (High Power Coupler Port 1): Checking the measurement channel isolation Only with Option R&S ZVAX-B291...

  • Page 26: Option Zvax-B292 (High Power Coupler Port 2): Checking The Transmission Loss

    Performance Test Report R&S ZVAX24 Option R&S ZVAX-B292 (High Power Coupler Port 2): Checking the transmission loss Only with Option R&S ZVAX-B292 Test equipment: - VNA (item 1) - Test cables (item 2) - adapter 3.5 mm f-f (item 4) - termination 3.5 mm m (item 5)

  • Page 27: Option Zvax-B292 (High Power Coupler Port 2): Checking The Reference Channel Coupling Loss

    R&S ZVAX24 Performance Test Report Option R&S ZVAX-B292 (High Power Coupler Port 2): Checking the reference channel coupling loss Only with Option R&S ZVAX-B292 Test equipment: - VNA (item 1) - Test cables (item 2) - adapter 3.5 mm f-f (item 4) - termination 3.5 mm m (item 5)

  • Page 28: Option Zvax-B292 (High Power Coupler Port 2): Checking The Measurement Channel Isolation

    Performance Test Report R&S ZVAX24 Measurement: Marker 1 : Read marker frequency Marker 1 to Marker 8 : Read isolation S21 Limit: See Performance Test Report Uncertainty: See Performance Test Report Option R&S ZVAX-B292 (High Power Coupler Port 2): Checking the measurement channel isolation Only with Option R&S ZVAX-B292...

  • Page 29: Performance Test Report

    R&S ZVAX24 Performance Test Report Performance Test Report Table 1-1: Performance Test Report ROHDE&SCHWARZ Extension Unit 1311.2509K02 R&S ZVAX24 Serial number: Date: Person responsible: Signature: Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Through path Page 1.5...
  • Page 30 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Through path Page 1.5 transmission loss of PORT1 SOURCE IN to PORT1 w. Option ZVAX-B291 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 31 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Through path Page 1.5 transmission loss of PORT3 SOURCE IN to PORT3 SOURCE OUT Test frequency: Range to 8 GHz ….. GHz _________ 1.0 ( f<50MHz)
  • Page 32 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Through path Page 1.6 transmission loss of PORT2 MEAS IN to PORT2 MEAS OUT w/o Option ZVAX-B292 Test frequency: Range to 2GHz ….. GHz _________ 1.0 (f<50 MHz)
  • Page 33 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Through path Page 1.6 transmission loss of PORT2 to PORT2 MEAS OUT w. Option ZVAX-B292 Test frequency: Range 0.5 GHz to 8GHz ….. GHz _________ 0.2 (...
  • Page 34 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B210 Page 1.6 transmission loss w/o OptionZVAX-B292 Test frequency: Range 0.5 GHz to 8 GHz ….. GHz _________ 0.2 ( f=500 to 700MHz) 0.1 (...
  • Page 35 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B210 Page 1.6 transmission loss w. OptionZVAX-B292 Test frequency: Range 0.7 GHz to 8 GHz … .. GHz _________ 0.7 GHz _________ 1.0 GHz...
  • Page 36 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B211 Page 1.7 transmission loss PORT1 SOURCE IN to PORT1 SOURCE OUT w/o Option ZVX-B291 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 37 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B211 Page 1.7 transmission loss PORT1 SOURCE IN to PORT1 w. Option R&S ZVX-B291 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 38 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B211 Page 1.7 transmission loss PORT3 SOURCE IN to PORT1 SOURCE OUT w/o Option ZVX-B291 Test frequency: Range to 8GHz ….. GHz _________ 1.0 (...
  • Page 39 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B211 Page 1.7 transmission loss PORT3 SOURCE IN to PORT1 w. Option ZVX-B291 Test frequency: Range to 8GHz ….. GHz _________ 1.0 ( f<50MHz)
  • Page 40 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B211 Page 1.8 Reflection loss PORT3 Test frequency: Range to 8GHz ….. GHz _________ 3.0 ( f<50MHz) 1.0 ( fP50MHz) 0.01 GHz _________ 0.1 GHz...
  • Page 41 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B251 Page 1.9 transmission loss PORT1 SOURCE IN to PORT1 SOURCE OUT w/o Option ZVX-B291 Test frequency: Range 1 GHz to 8 GHz …..
  • Page 42 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B251 Page 1.9 transmission loss PORT1 SOURCE IN to PORT1 w. Option ZVX-B291 Test frequency: Range 1 GHz to 8 GHz ….. GHz...
  • Page 43 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B251 Page 1.9 Harmonic Suppression PORT1 SOURCE IN to PORT1 SOURCE OUT w/o Option ZVX-B291 Test frequency: Range 1 GHz to 8 GHz Fund.
  • Page 44 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B253 Page 1.10 transmission loss PORT3 SOURCE IN to PORT3 SOURCE OUT Test frequency: Range 1GHz to 8GHz ….. GHz 1 GHz...
  • Page 45 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S R&S ZVAX- Page 1.11 B252 transmission loss PORT2 MEAS IN to PORT2 MEAS OUT w/o Option ZVX-B292 Test frequency: Range 1 GHz to 8 GHz _________ …..
  • Page 46 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B252 Page 1.11 transmission loss PORT2 MEAS IN to PORT2 MEAS OUT w. Option ZVX-B292 Test frequency: Range 1GHz to 8GHz ….. GHz...
  • Page 47 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B252 Page 1.12 Fundamental Suppression PORT2 to PORT2 MEAS OUT with Option ZVAX-B292 Test frequency: Range 4 GHz to 12 GHz ….. GHz _________ 4.1 GHz...
  • Page 48 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B271 Page 1.13 transmission loss modulator on PORT1 SOURCE IN to PORT1 with Option ZVX-B291 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 49 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B271 Page 1.13 1 dB transmission loss modulator off PORT1 SOURCE IN to PORT1 with Option ZVX-B291 Test frequency: …..GHz _________ 0.01 GHz...
  • Page 50 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B273 Page 1.14 transmission loss modulator on PORT3 SOURCE IN to PORT3 SOURCE OUT Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 51 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B273 Page 1.15 2 dB modulator Function Test points: …. ns _________ (25, 100 to 650 ns 50 ns _________ 100 ns...
  • Page 52 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B272 Page 1.15 transmission loss modulator on PORT2 MEAS IN to PORT2 MEAS OUT w. Option R&S ZVX-B292 Test frequency: Range 0.5GHz to 8GHz …..
  • Page 53 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B272 Page 1.15 1 dB transmission loss modulator off PORT2 MEAS IN to PORT2 with Option ZVX-B292 Test frequency: …..GHz _________ 0.01 GHz...
  • Page 54 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B291 Page 1.17 Ref. channel coupling loss PORT1 SOURCE IN to PORT1 REF OUT Test frequency: Range 0.5 GHz to 8 GHz …..
  • Page 55 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZRVAX-B291 Page 1.18 Meas. channel coupling loss PORT1 to PORT1 MEAS OUT Test frequency: 0.5 GHz to 24 GHz …..GHz _________ 0.2 (...
  • Page 56 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B292 Page 1.20 transmission loss PORT2 SOURCE IN to PORT2 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 ( f<50MHz) 0.2 (...
  • Page 57 R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B292 Page 1.20 Ref. channel coupling loss PORT2 SOURCE IN to PORT2 REF OUT Test frequency: Range 0.5 GHz to 8 GHz …..
  • Page 58 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B292 Page 1.22 Meas. channel isolation PORT2 SOURCE IN to PORT2 MEAS OUT Test frequency: …..GHz _________ 1.0 ( f<50MHz) 0.2 ( f=50 to 700MHz) 0.1 (...
  • Page 59 FSQ FVREF "Überschrift 2" \* MERGEFORMAT Fehler Form atvorlage nicht definiert. R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B271 Page 1.13 1 dB transmission loss modulator off PORT1 SOURCE IN to...
  • Page 60 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B273 Page 1.14 transmission loss modulator on PORT3 SOURCE IN to PORT3 SOURCE OUT Test frequency: Range to 8 GHz ….. GHz _________ 1.0 (...
  • Page 61 FSQ FVREF "Überschrift 2" \* MERGEFORMAT Fehler Form atvorlage nicht definiert. R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B273 Page 1.15 2 dB modulator Function Test points: …. ns...
  • Page 62 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B272 Page 1.15 transmission loss modulator on PORT2 MEAS IN to PORT2 MEAS OUT w. Option R&S ZVX-B292 Test frequency: Range 0.5GHz to 8GHz …..
  • Page 63 FSQ FVREF "Überschrift 2" \* MERGEFORMAT Fehler Form atvorlage nicht definiert. R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B272 Page 1.15 1 dB transmission loss modulator off PORT2 MEAS IN to...
  • Page 64 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B291 Page 1.17 Ref. channel coupling loss PORT1 SOURCE IN to PORT1 REF OUT Test frequency: Range 0.5 GHz to 8 GHz …..
  • Page 65 FSQ FVREF "Überschrift 2" \* MERGEFORMAT Fehler Form atvorlage nicht definiert. R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZRVAX-B291 Page 1.18 Meas. channel coupling loss PORT1 to PORT1 MEAS OUT Test frequency: 0.5 GHz to 24 GHz...
  • Page 66 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B292 Page 1.20 transmission loss PORT2 SOURCE IN to PORT2 Test frequency: Range to 8 GHz ….. GHz _________ 1.0 ( f<50MHz) 0.2 (...
  • Page 67 FSQ FVREF "Überschrift 2" \* MERGEFORMAT Fehler Form atvorlage nicht definiert. R&S ZVAX24 Performance Test Report Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option R&S ZVAX-B292 Page 1.20 Ref. channel coupling loss PORT2 SOURCE IN to...
  • Page 68 Performance Test Report R&S ZVAX24 Parameter Reference Min. value Actual value Max. value Unit Measurement uncertainty Option ZVAX-B292 Page 1.22 Meas. channel isolation PORT2 SOURCE IN to PORT2 MEAS OUT Test frequency: …..GHz _________ 1.0 ( f<50MHz) 0.2 ( f=50 to 700MHz) 0.1 (...
  • Page 69 R&S ZVAX24 Contents - Chapter 2 "Alignment" Table of Contents - Chapter 2 "Alignment" 2 Alignment......................2.1 Checking the Gauge.........................2.1 1312.7979.82 I-2.1...
  • Page 70 Contents R&S ZVAX24 1312.7979.82 I-2.2...
  • Page 71 Only With Option R&S ZVAX24-B291 or –B292 It is strongly recommended that each test port of the R&S ZVAX24 is gauged prior to its first use. The gauge must be recalibrated whenever the connector adapter is changed and should be checked regularly, using the gauge block, for correct zero between adapter changes.
  • Page 73 R&S ZVAX24 Contents - Chapter 3 "Repairs" Table of Contents - Chapter 3 "Repairs" Repairs......................3.1 Instrument Construction and Function Description..............3.1 Block Diagram ..........................3.1 Description of the Block Diagram ....................3.2 Board Replacement........................3.4 Board Overview ..........................3.4 Replacing the Interface R&S ZVX24 A400................3.5 Replacing the Front Cover......................3.6...

  • Page 75: Repairs

    The R&S ZVAX’s construction is shown schematically by the following block diagram and the exploded drawings (see Chapter 5). The block diagram will help clarify the following function description of the instrument. Block Diagram See also Chapter 5, Annex and Drawings. Fig. 3-1 Block diagram of the R&S ZVAX24 1312.7979.82...

  • Page 76: Description Of The Block Diagram

    The R&S ZVAX24 consists of a base unit with cabinet, power supply, interface printed circuit board and fan. It is driven by the R&S ZVA24 via a USB interface. When the R&S ZVAX24 is connected, there is only one unassigned USB interface remaining on the R&S ZVA24 rear panel; therefore, the R&S ZVAX24 has a USB hub with two outputs on the front panel and two on the rear panel.
  • Page 77 Instead of the couplers in the R&S ZVA24 (P = 27 dBm), edge line couplers can be used in the R&S ZVAX24 for ports 1 and 2. They can be loaded with powers up to 43 dBm (20 W). 1312.7979.82...

  • Page 78: Board Replacement

    The terms “left” and “right” always mean left and right as seen looking at the front of the instrument. Board Overview Table 3-1 Overview: Board Replacement Board Measures taken after replacement Interface R&S ZVAX24 Functional test Fan unit Functional test Power supply Check power supply output voltages Standby board...

  • Page 79: Replacing The Interface R&S Zvx24 A400

    R&S ZVAX24 Board Replacement Replacing the Interface R&S ZVX24 A400 (See Chapter 5, Spare Parts List, Items 150 and drawing 1311.2509.01) Opening the instrument and removing the board Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 80: Replacing The Front Cover

    Board Replacement R&S ZVAX24 Replacing the Front Cover (See Chapter 5, Spare Parts List, Items 540 and drawing 1311.2509.01) The front cover is the outermost front panel with lettering. Turn off the instrument and disconnect from the mains. Remove the 4 screws (560) in the front handles (550), right and left, and take off the front handles Remove the front cover (540).

  • Page 81: Replacing Power Supply A200

    R&S ZVAX24 Board Replacement Replacing Power Supply A200 (See Chapter 5, Spare Parts List, Items 220 and drawing 1311.2509.01) The power supply is installed at the rear of the instrument frame. Removing the power supply Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) towards the rear.

  • Page 82: Replacing Fuse Unit W11

    Board Replacement R&S ZVAX24 Replacing Fuse Unit W11 (See Chapter 5, Spare Parts List, Item 310, and drawing 1311.2509.01) The fuse board is installed on the left-hand side of the power supply. Removing the fuse board Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 83: Replacing The Fan

    R&S ZVAX24 Board Replacement Replacing the Fan (See Chapter 5, Spare Parts List, Item 200 and drawing 1311.2509.01) The fan is located under the power supply. Opening the instrument and removing the fan Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 84: Replacing Standby Board A70

    Board Replacement R&S ZVAX24 Replacing Standby Board A70 (See Chapter 5, Spare Parts List, Item 330, and drawing 1311.2509.01) The standby board is installed behind the mains switch. Removing the standby board Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 85: Replacing Usb Board A40

    R&S ZVAX24 Board Replacement Replacing USB Board A40 (See Chapter 5, Spare Parts List, Item 350, and drawing 1311.2509.01) The USB board is installed behind the front panel on the left-hand side. Removing the USB board Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 86: Replacing Led Board A80, A81, A82

    Board Replacement R&S ZVAX24 Replacing LED Board A80 , A81, A82 (See Chapter 5, Spare Parts List, Item 470, and drawing 1311.2509.01) The LED boards are installed behind the front panel. Removing the LED board Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 87: Replacing Options

    R&S ZVAX24 Board Replacement Replacing Options (See Chapter 5, drawings 1311.2509.01 sheet 5, 1311.2509.01 S and 1311.2521 to 1311.2615) Removing the Option Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (580) and pull off the enclosure (570) backwards.

  • Page 88: Troubleshooting

    Troubleshooting R&S ZVAX24 Troubleshooting The instructions in this manual describe troubleshooting down to the board level. Any defective boards can then be replaced and the instrument put back into operation. A selftest which checks the board diagnostic voltages and displays limit violations is provided to facilitate troubleshooting and diagnosis.

  • Page 89: Determining Which Boards Are Defective

    R&S ZVAX24 Troubleshooting Determining which Boards are Defective The table below lists boards that are probably defective based on the faults that occurred during the performance test. Defective board Problem with: Probable Also possible Through State Transmission of Port 1 Source Path R&S X-B251, -B271, -B211,...
  • Page 90 Troubleshooting R&S ZVAX24 Defective board Problem with: Probable Also possible Option R&S ZVAX-B252 (Harmonic Filter Source Port 2): R&S ZVAX-B252 Fundamental Suppr. Port2 Meas In to Port2 Meas Out w/o ZVX-B292 Option R&S ZVAX-B252 (Harmonic Filter Source Port 2): R&S ZVAX-B252 Fundamental Suppr.
  • Page 91 R&S ZVAX24 Troubleshooting Defective board Problem with: Probable Also possible Option R&S ZVAX-B291 (High Power Coupler Port 1): Reference R&S ZVAX-B291 Channel Isolation Port1 to Port1 Ref Out Option R&S ZVAX-B291 (High Power Coupler Port 1): Meas. R&S ZVAX-B291 Channel Coupling Loss Port1 Src In to Port1 Meas Out Option R&S ZVAX-B291 (High Power Coupler Port 1): Meas.

  • Page 92: Board Test

    R&S ZVAX24 Board Test When boards are being tested, the R&S ZVAX24 must be connected to the R&S ZVA via USB cable. The R&S ZVA is used for the RF measurements. If a clear fault is not present, the order of the board tests given below should always be followed.
  • Page 93 R&S ZVAX24 Troubleshooting Testing the Interface Board Before testing the interface board check the output voltages of the power supply. Disconnect the ribbon cables and the coax cables from the interface board (W11 must be connected to X600). Set the R&S ZVA to the functions shown in the table below.
  • Page 94 Troubleshooting R&S ZVAX24 Control voltages for the LED boards: R&S ZVA setting LEDs port 1 LEDs port 2 LEDs port 3 MODE : ZVAX Path Configuration : Src 1 Harm. Filter Yellow ON MODE : ZVAX Path Configuration : Rec 2 Harm. Filter Yellow ON MODE : ZVAX Path Configuration : Src 3 Harm.
  • Page 95 R&S ZVAX24 Troubleshooting Control voltages for the options: R&S ZVA setting Connect DC meter to DC voltage MODE : ZVAX Path Configuration : Src 1 Harm. Filter X406 pin B3 3.3 V ± 0.33 V ZVA frequency (CW mode): 1.2 GHz X403 pin 3.3 V ±...
  • Page 96 Troubleshooting R&S ZVAX24 Testing the Port 2 Receiver Monitor Output (R&S ZVAX-B210 Disconnect the RF cables (W240, W241, W242) from the coupler. Set the R&S ZVA to sweep mode 1 GHz to 22 GHz. Connect two test cables to port 1 and port 2 of the R&S ZVA and perform a full 2-port calibration at the end of the cables.
  • Page 97 R&S ZVAX24 Troubleshooting Testing the Combiner (R&S ZVAX-B211) Disconnect the RF cables W150 (W101 with option R&S ZVAX-B291), W151, W152 from the combiner. Set the R&S ZVA to sweep mode 10 MHz to 24 GHz. Connect two test cables to port 1 and port 2 of the R&S ZVA and perform a full 2-port calibration at the end of the cables.
  • Page 98 Troubleshooting R&S ZVAX24 If the S21 values displayed on the R&S ZVA's screen are not within the range shown in the table below, the combiner must be replaced. Frequency range Transmission loss 10 MHz to 18 GHz P 3.3 dB 18 GHz to 24 GHz P 4.1 dB...
  • Page 99 R&S ZVAX24 Troubleshooting Testing the Harmonic Filter (R&S ZVAX-B251 and R&S ZVAX-B253) Disconnect the RF cables W120 and W121 (W320 and W321 in case of R&S ZVAX-B253) from the harmonic filter. Set the R&S ZVA to sweep mode 10 MHz to 24 GHz.
  • Page 100 Troubleshooting R&S ZVAX24 Testing the stop band transmission loss (filter on) [ Preset ] - [ Mode : ZVAX Path Config : Src 1 Harmonic Filter ] - [ Mode : Port Config.. : (Set port 1 source and receiver freqs to 2·fb)
  • Page 101 R&S ZVAX24 Troubleshooting Testing the transmission loss (filter on): Set the R&S ZVA to Meas S21. Read transmission S21. If the S21 values displayed on the R&S ZVA's screen are not within the range shown in the table below, the harmonic filter must be replaced.
  • Page 102 Troubleshooting R&S ZVAX24 Testing the Pulse Modulator (R&S ZVAX-B271, R&S ZVAX-B272 and R&S ZVAX- B273) Disconnect the RF cables W111 and W121 (W210 / W203 and W211 with option R&S ZVAX-B272, W311 and W321 with option R&S ZVAX-B273) from the pulse modulator.
  • Page 103 R&S ZVAX24 Troubleshooting If the S21 values displayed on the R&S ZVA's screen are not within the range shown in the table below, the combiner must be replaced. Frequency range Transmission loss 10 MHz to 18 GHz < - 75 dB 18 GHz to 24 GHz <...
  • Page 104 Troubleshooting R&S ZVAX24 If the S21 values displayed on the R&S ZVA's screen are not within the range -19 dB to -23 dB, the coupler must be replaced. If the S21 values displayed on the R&S ZVA's screen are not within the range shown in the table below, the coupler must be replaced.

  • Page 105: Software Update

    " R&S ZVAX24 Contents- Chapter 4 "Software Update / Installation of Options Table of Contents- Chapter 4 "Software Update / Installation of Options" 4 Software Update / Installation of Options ............4.1 Installing new R&S ZVA Software....................4.1 Installing Options ..........................4.2 1312.7979.82...
  • Page 106 Contents R&S ZVAX24 1312.7979.82 I-4.2...
  • Page 107 Chapter 4. Installing new R&S ZVAX24 Software The R&S ZVAX settings are controlled by the NWA (R&S ZVAX24). Therefore a R&S ZVA firmware version 2.60 or higher is required (a new config.ini file is required, see Entering new config file).
  • Page 108 Installing Options R&S ZVAX24 Installing Options The following options can be fitted to the R&S ZVAX24: Port 2 Receiver Monitor Output R&S ZVAX-B210 1311.2521.02 R&S ZVAX-B211 1311.2538.02 Combiner Harmonic Filter Source Port 1 R&S ZVAX-B251 1311.2544.02 Harmonic Filter Receiver Port 2 R&S ZVAX-B252...
  • Page 109 R&S ZVAX24 Installing new R&S ZVA Software Entering new config file: Set path: C:\DocumentsandSettings\AllUsers\Anwendungsdaten\Rohde&Schwarz\Nwa\Data\eeprom\ZVAX\ config.ini Example with two options (R&S ZVAX-B210 and R&S ZVAX-B211): [HEADER] PARTNUMBER=1311.2509.02 HWCODE=0 PRODUCTINDEX=xx.xx SN=xxxxxx PRODUCTDATE=j j j j-mm-dd TESTINSTRUCTION=01.00 NAME=ZVAX24 EEPROMSIZE=65536 [VERSION] VERSION=1.00 [OPTION1] PARTNUMBER=1311.2521.02 PRODUCTINDEX=xx.xx...

  • Page 111: Available Power Cables

    R&S ZVAX24 Contents- Chapter 5 "Documents Table of Contents- Chapter 5 "Documents" Spare Parts............................5.1 Available Power Cables......................5.1 1312.7979.82 I-5.1...
  • Page 113 5 Documents This chapter provides information on the ordering of spare parts and contains the spare parts list and the documents for the complete R&S ZVAX24 unit. Spare Parts The stock numbers necessary for ordering replacement parts and modules can be found in the component lists further down.
  • Page 115 Spare Parts List...
  • Page 129 Mechanical Drawings...
  • Page 140 Circuit Diagram...

Table of Contents