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Keithley 7017 Instruction Manual

800mhz multiplexer card
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Instruction Manual
Model 7017
800MHz Multiplexer Card
Contains Operating and Servicing Information
7017-901-01 Rev. A / 8-96

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Summary of Contents for Keithley 7017

  • Page 1 Instruction Manual Model 7017 800MHz Multiplexer Card Contains Operating and Servicing Information 7017-901-01 Rev. A / 8-96...
  • Page 2 Keithley Instruments, Inc. • 28775 Aurora Road • Cleveland, OH 44139 • 216-248-0400 • Fax: 216-248-6168 • http://www.keithley.com CHINA: Keithley Instruments China • Yuan Chen Xin Building, Room 705 • No. 12 Yumin Road, Dewei, Madian • Beijing, China 100029 • 8610-2022886 • Fax: 8610-2022896 FRANCE: Keithley Instruments SARL •...
  • Page 3 Model 7017 800MHz Multiplexer Card Instruction Manual ©1996, Keithley Instruments, Inc. Test Instrumentation Group All rights reserved. Cleveland, Ohio, U.S.A. First Printing, August 1996 Document Number: 7017-901-01 Rev. A...
  • Page 4 Revision of the manual. Each new Revision includes a revised copy of this print history page. Revision A (Document Number 7017-901-01)..................August 1996 All Keithley product names are trademarks or registered trademarks of Keithley Instruments, Inc. Other brand and product names are trademarks or registered trademarks of their respective holders.
  • Page 5 Safety Precautions The following safety precautions should be observed before using Do not exceed the maximum signal levels of the instruments and ac- this product and any associated instrumentation. Although some in- cessories, as defined in the specifications and operating informa- struments and accessories would normally be used with non-haz- tion, and as shown on the instrument or test fixture panels, or ardous voltages, there are situations where hazardous conditions...
  • Page 6 7017 • 800MH ULTIPLEXER PECIFICATIONS MULTIPLEXERS PER CARD: 2(with isolated ground). IN 1 CHARACTERISTIC IMPEDANCE: 50Ω nominal. CHANNELS PER MULTIPLEXER: 4. CONTACT CONFIGURATION: 1 pole Form A, common shield. RELAY DRIVE CURRENT: 26mA per channel. CONNECTOR TYPE: SMA. RECOMMENDED CABLE: RG-223/U.

  • Page 7: Table Of Contents

    Table of Contents General Information Introduction ................................1-1 Features ................................1-1 Warranty information............................1-1 Manual addenda ..............................1-1 Safety symbols and terms ............................ 1-1 Specifications ............................... 1-1 Unpacking and inspection ............................ 1-2 1.7.1 Inspection for damage ..........................1-2 1.7.2 Handling precautions ..........................1-2 1.7.3 Shipment contents ............................
  • Page 8 Operation Introduction ................................. 3-1 Signal limitations ..............................3-1 Front panel control............................... 3-1 3.3.1 Closing and opening channels ........................3-1 3.3.2 Scanning channels ............................. 3-2 IEEE-488 bus control ............................3-2 3.4.1 Closing and opening channels ........................3-2 3.4.2 Scanning channels ............................. 3-2 Switching considerations .............................
  • Page 9 List of Illustrations Connections and Installation Figure 2-1 Model 7017 simplified schematic ........................ 2-2 Figure 2-2 Model 7017 card configuration........................2-2 Figure 2-3 Typical connection scheme .......................... 2-3 Figure 2-4 Card installation in Model 7001........................2-4 Figure 2-5 Card installation in Model 7002........................2-5...
  • Page 10 List of Tables Servicing Table 4-1 Recommended verification equipment ......................4-2 Table 4-2 Insertion loss values ............................. 4-2 Table 4-3 Recommended troubleshooting equipment....................4-9 Table 4-4 Troubleshooting procedure ........................4-10 Replaceable Parts Table 5-1 Model 7017 parts list............................ 5-2...

  • Page 11: General Information

    Keithley representative or authorized repair facility in your area for more information. When returning Model 7017 specifications are located at the front of this the card for repair, be sure to fill out and include the service manual.

  • Page 12: Unpacking And Inspection

    Should it become necessary to return the Model 7017 for re- pair, carefully pack the unit in its original packing carton or the equivalent, and include the following information: 1.7.2 Handling precautions...

  • Page 13: Connections And Installation

    Model 7017. The card is arranged into two separate multi- plexers, each with four channels. This section includes information on making connections to the Model 7017 and installing the card in the Model 7001/ 7002 Switch System. 2.3.2 Card configuration Figure 2-2 shows the general configuration of the Model...

  • Page 14: Connections And Installation

    IN 3 Multiplexer B OUT B Multiplexer A OUT A IN 6 IN 2 IN 5 IN 1 Figure 2-1 Model 7017 simplified schematic Multiplexer B Multiplexer A SMA Input/Output SMA Input/Output Connectors Connectors Figure 2-2 Model 7017 card configuration...

  • Page 15: Input/Output Connecting Cables

    Figure 2-3 shows a typical connecting scheme for the Mod- jacks should be made using 50 Ω coaxial cable equipped with el 7017. In this arrangement, sources are connected to the SMA connectors. RG223/U is the recommended cable type. inputs, and the measuring instrument is connected to the outputs.

  • Page 16: Card Installation And Removal

    2.4.2 Card removal Follow the steps below to remove the multiplexer card from The following paragraphs describe how to install and re- the mainframe. move the Model 7017 card assembly from the Model 7001/ 7002 mainframe. WARNING WARNING Turn off power to all instrumentation...

  • Page 17: Figure

    Connections and Installation Ejector Arms (locked position) WARNING: INTERCONNECTION, INSTALLATION AND REMOVAL OF CARDS BY QUALIFIED SERVICE PERSONNEL ONLY. CARD CARD CARD CARD WARNING: NO INTERNAL OPERATOR SERVICEABLE PARTS, SERVICE BY QUALIFIED PERSONNEL ONLY. Figure 2-5 Card installation in Model 7002...

  • Page 18: Operation

    Model 7001/7002 CLOSE key. For example, to close chan- 7017 including signal limitations, switching considerations, nel 4 of a Model 7017 installed in slot 2, key in the following and applications. For detailed mainframe operating informa- channel list, and press CLOSE:...

  • Page 19: Scanning Channels

    Model 7017 installed in slot 1: nels to be included in the scan list. For example, the following list scans channels 1, 3, and 5 through 8 of a Model 7017 in- *RST stalled in slot 2:...

  • Page 20: Cable Characteristics

    Since the Model 7017 is designed to work with 50 Ω cables, you must use 50 Ω cables to assure proper impedance match- ing. (RG223/U cable is recommended.) Mismatching any- 3.6.1 Multiplexer expansion...

  • Page 21: Figure

    Multiplexer A OUT A IN 3 IN 4 "T" Connector Instrument IN 5 Note: This configuration will not maintain 50Ω characteristic impedance. IN 6 Multiplexer B OUT B IN 7 IN 8 Model 7017 Figure 3-1 “T” connector multiplexer expansion...

  • Page 22: Figure

    Figure 3-2. Here, the A and B outputs puts together using a short coaxial cable, as shown in Figure of one Model 7017 are connected to two inputs of multiplexer 3-3. Note that this connection scheme provides a convenient A of a second Model 7017 card.
  • Page 23 IN 3 IN 4 Short 50Ω Coax Cable IN 5 IN 6 Multiplexer B Instrument Connections OUT B IN 7 IN 8 Model 7017 A. Connections DUTs Figure 3-3 B. 4 x 4 Matrix Configuration 4 × 4 matrix connection...

  • Page 24: Filter Testing

    • High repeatability with little resistance variation be- 3.6.3 Tape head production testing tween closures: < 10m Ω . The Model 7017 can be used with an LCR bridge to produc- tion test tape heads. Such testing generally involves measuring device impedance variations to help control manufacturing processes.
  • Page 25 Operation IN 1 IN 2 OUT A IN 3 IN 4 Model 7017 IN 5 IN 6 OUT B IN 7 Tape Head LCR Meter IN 8 (1 of 4) IN 1 IN 2 OUT A IN 3 IN 4...

  • Page 26: Servicing

    This section contains information necessary to service the • Do not store or operate the card in an environment Model 7017 and includes information on handling and clean- where dust could settle on the circuit board. ing, performance verification, as well as principles of opera- tion and troubleshooting.

  • Page 27: Environmental Conditions

    Figure 4-1. Be sure to use 50 Ω cables and set up for all insertion loss tests. 4.3.2 Recommended verification equipment 4. Install the Model 7017 in the Model 7001 or 7002 main- frame. Table 4-1 summarizes the test equipment recommended for 5.

  • Page 28: Figure

    Servicing Channel 1 Connections Shown IN 1 Network Analyzer IN 2 OUTPUT INPUT OUT A 50Ω Cables IN 3 IN 4 IN 5 IN 6 OUT B IN 7 IN 8 Model 7017 Figure 4-1 Connections for insertion loss tests...

  • Page 29: Isolation Tests

    Servicing 4.3.4 Isolation tests 2. With the power off, install the Model 7017 card in the mainframe. Isolation tests check the leakage resistance (isolation) be- 3. Turn on the mainframe and the Model 6517 power, and tween various Model 7017 terminals using the ohms func- allow the electrometer to warm up for at least one hour tion of a Model 6517 Electrometer.

  • Page 30: Figure

    FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING. Model 6517 Electrometer IN 5 Note: Configure electrometer for internal voltage source connection. IN 6 OUT B IN 7 IN 8 Model 7017 Figure 4-2 Connections for channel isolation tests...

  • Page 31: Figure

    FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING. Model 6517 Electrometer Note: Configure electrometer for internal voltage source IN 4 connection. IN 5 IN 6 OUT B IN 7 IN 8 Model 7017 Figure 4-3 Connections for center-to-shield isolation tests...

  • Page 32: Figure

    FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING. Model 6517 Electrometer Note: Configure electrometer for internal voltage source IN 4 connection. IN 5 IN 6 OUT B IN 7 IN 8 Model 7017 Figure 4-4 Connections for multiplexer-to-multiplexer isolation tests...

  • Page 33: Special Handling Of Static-Sensitive Devices

    Figure 4-5 shows a simplified block diagram of the Model for installation or use. 7017. Key sections include the relay data control circuits, the • Remove the devices from their protective containers relay driver ICs, the relays, and the card configuration mem- only at a properly grounded workstation.

  • Page 34: Relay Control

    Table 4-3 summarizes recommended equipment for trouble- relay driver IC (U102). The serial data is clocked in by the shooting the Model 7017. CLK (clock) line. Table 4-3...

  • Page 35: Troubleshooting Procedure

    Servicing Table 4-4 Troubleshooting procedure Step Item/component Required condition Comments Digital common All voltages referenced to digital common. P2001, pins 15 and 16 P2001, pin 1 Card +6V relay supply voltage. P2001, pin 13 Card +5V logic supply. U102, pin 2 CLK pulses During relay update sequence only.

  • Page 36: Replaceable Parts

    Replaceable Parts Introduction Factory service This section contains replacement parts information, sche- If the card is to be returned to Keithley Instruments for repair, matic diagrams, and component layout drawings for the perform the following: Model 7017. • Call the Repair Department at 1-800-552-1115 for a Return Material Authorization (RMA) number.

  • Page 37: Table

    Replaceable Parts Table 5-1 Model 7017 parts list Keithley Circuit design. Description part number PROGRAMMED EPROM 7017-800-* C101,102,103 CAP, .1UF,20%,50V,CERAMIC C-365-.1 C104,105 CAP, 10UF,-20+100%,25V,ALUM ELEC C-314-10 J1001-1005, RT. ANGLE JACK RECEPTACLE CS-905 1010-1014 K101-112 RELAY (SPST),GORDOS,4705S RL-131 P2001 CONNECTOR, 32-PIN, 2-ROWS...
  • Page 41 Index Applications 3-3 Handling and cleaning precautions 4-1 Safety symbols and terms 1-1 Handling precautions 1-2, 2-1, 4-1 Scanning channels 3-2 Servicing 4-1 Shipment contents 1-2 Signal limitations 3-1 Basic “T” configuration 3-3 Simplified schematic 2-1 Block diagram 4-8 IEEE-488 bus control 3-2 Soldering considerations 4-1 Input/output connecting cables 2-3 Special handling of static-sensitive...
  • Page 42 Service Form Model No. Serial No. Date Name and Telephone No. Company List all control settings, describe problem and check boxes that apply to problem. Intermittent Analog output follows display Particular range or function bad; specify IEEE failure Obvious problem on power-up Batteries and fuses are OK Front panel operational All ranges or functions are bad...
  • Page 43 Keithley Instruments, Inc. 28775 Aurora Road Cleveland, Ohio 44139 Printed in the U.S.A.

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