1. Manuals
  2. Brands
  3. Agilent Technologies Manuals
  4. Data Loggers
  5. N4968A
  6. User manual

Agilent Technologies N4968A User Manual

Clock and data demultiplexer 44 gb/s
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Agilent N4968A Demultiplexer User Guide
http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html
The N4968A clock and data demultiplexer 44 Gb/s is shipped with all the accessories required for
verification and operation.
The shipment includes:
• N4968A clock and data demultiplexer 44 Gb/s
• AC power converter module
• AC power cord
• CD containing the N4968A user guide and N4968A data sheet
ManualLib.com collects and classifies the global product
instrunction manuals to help users access anytime and
anywhere, helping users make better use of products.
http://www.manuallib.com

Advertisement

Table of Contents
loading

Related Manuals for Agilent Technologies N4968A

Summary of Contents for Agilent Technologies N4968A

  • Page 1 Agilent N4968A Demultiplexer User Guide http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html The N4968A clock and data demultiplexer 44 Gb/s is shipped with all the accessories required for verification and operation. The shipment includes: • N4968A clock and data demultiplexer 44 Gb/s • AC power converter module •...
  • Page 2 Agilent N4968A Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...
  • Page 3 Agilent Technologies, Inc. as not correctly performed or adhered to, including but not limited to the implied governed by United States and international...
  • Page 4 Alternately, an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the Agilent Technologies Inc. assumes no Environment Conditions operator may be used as a disconnecting liability for the customer's failure to comply device.
  • Page 5 Scientific and Medical Group 1 Class A product. Indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use. Forty years is the expected useful life of the product. This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...
  • Page 6 WEEE Directive Annexure I, this product is classed as a “Monitoring and Control instrumentation” product. Do not dispose in domestic household waste. To return unwanted products, contact your local Agilent office, or see for more www.agilent.com/environment/product/ information. This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...
  • Page 7 This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 8: Table Of Contents

    Front Panel Quick Reference ............... 12 Rear Panel Quick Reference ................ 13 Safety and Regulatory ................... 14 Performance Specifications .................. 15 General ......................15 N4968A Clock and Data Demultiplexer Specifications ......16 Operation ......................... 17 General Information ..................17 4.1.1 Performance Recommendations ..........18 4.1.2...
  • Page 9 Getting Started Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 10: Getting Started

    Getting Started 1 Getting Started 1.1 Unpacking and Installation The N4968A clock and data demultiplexer 44 Gb/s is shipped with all the accessories required for verification and operation. The shipment includes: N4968A clock and data demultiplexer 44 Gb/s • AC power converter module •...

  • Page 11: Important Notes

    3. Use high quality cables and connector savers (or adaptors). 4. Keep cable lengths short and minimize number of cable bends. 5. Use a 7 to 10 in-lbs torque wrench when attaching connectors. Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 12: N4968A Operation Overview

    N4968A Operation Overview 2 N4968A Operation Overview The Agilent technologies N4968A clock and data demultiplexer 44 Gb/s is a small high-performance 3.5 to 44 Gb/s clock and data demultiplexer, designed to simplify the process of making high-bitrate BER measurements at half- or quarter-rate speeds.

  • Page 13: Front Panel Quick Reference

    N4968A Operation Overview Front Panel Quick Reference Figure 1. N4968A front panel CLK 1: CLK 1 is the clock input and must be a half rate clock for 1:4 demultiplexing or full rate clock for 1:2 demultiplexing. This input is AC coupled.

  • Page 14: Rear Panel Quick Reference

    Refer to configuration diagrams for use of these connections in various applications. Power switch: The rear panel power switch applies power to the N4968A. The center conductor of this port is −5 V. Use of this port is not supported. Aux Out: Label: N4968A serial number.

  • Page 15: Safety And Regulatory

    N4968A Operation Overview 2.4 Safety and Regulatory This product has been designed and tested in accordance with accepted industry standards, and has been supplied in a safe condition. The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition.

  • Page 16: Performance Specifications

    All specifications are valid in a range from 10 °C to 40 °C ambient temperature after a 30 minute warm-up phase. 3.1 General Table 1. General and mechanical parameters of N4968A Operating Temperature +10 to +40 °C Storage Temperature –40 to +70°C...

  • Page 17: N4968A Clock And Data Demultiplexer Specifications

    Performance Specifications 3.2 N4968A Clock and Data Demultiplexer Specifications Table 2. N4968A clock and data demultiplexer specifications Parameter Specification Data input Data rate 3.5 to 44 Gb/s Data amplitude 150 to 1000 mV p-p single-ended Maximum DC voltage ±0.5 V Interface Differential.

  • Page 18: Operation

    4 Operation The following section provides more detailed information regarding the use of the N4968A. 4.1 General Information The N4968A should be used in accordance with the following: Read and follow operating instructions; do not exceed min/max • specifications. Use ESD protection at all times, but especially when handling RF •...

  • Page 19: Performance Recommendations

    50 Ω termination. 4.1.2 Connector Care The N4968A features high-quality front and rear panel input and output connectors. Connector damage will degrade signal fidelity. Refer to the N4960-90030 N495xA through N498xA Connector Care Reference Guide at www.agilent.com/find/N4968A.
  • Page 20 4. Clean the mating plane surfaces and threads. 5. Allow alcohol to evaporate, and then use a low-pressure air source to blow surfaces clean. 6. Make sure no particles or residue remains. 7. Inspect connector for damage. Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 21: Block Diagram

    The block diagram is shown in Figure 3. Figure 3. N4968A block diagram The N4968A Clock and Data Demultiplexer consists of a 1:4 demultiplexer module + 4 clock divider and can be used in either 1:4 demux mode with a half rate clock input, or in 1:2 demux mode (up to 22 Gb/s max data rate) with a full rate clock input.

  • Page 22: Divide Ratio Switch Settings

    Operation 4.2.1 Divide Ratio Switch Settings Figure 4 shows the Dividers switch on the rear panel of the N4968A. Note that Divider 1 and 2 switches are set to 1 and Divider 3 and 4 switches are set to 0 in Figure 4.

  • Page 23: Demux-By-4 Example With 40 Gb/S Data Input

    3. Loop E to F. 4. Set Divider 2 to ½. 5. Set Divider 3 and 4 to 1 (provides 10 GHz clock output). Figure 5. Demux-by-4 example with 40 Gb/s data input Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 24: Demux-By-2 Example With 20 Gb/S Data Input With Full Rate Clock

    1.85 mm female connectors. If the data input is used single ended the input should be connected through a DC block and the unused input should be terminated with a 50 Ω 1.85 mm terminator. Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...
  • Page 25 The demuxed data outputs are routed thru Demux Data Out 1 through Demux Data Out 4 connectors on the front panel. These are 2.92 mm female connectors. They are single ended AC coupled outputs. Clock and Data Demultiplexer 44 Gb/s User Guide This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

  • Page 26: Returning The N4968A To Agilent Technologies

    Agilent Technologies 5 Returning the N4968A to Agilent Technologies If the N4968A fails system verification and you cannot correct the problem, return it to Agilent Technologies for repair following the steps shown below. 1. Record all symptoms. 2. Contact Agilent Technologies at http://www.agilent.com/find/assist.
  • Page 27 © Copyright Agilent Technologies 2012 Third edition, April 2014 Printed in Germany This Manual:http://www.manuallib.com/agilent/n4968a-demultiplexer-user-guide.html...

Table of Contents