Keithley 7017, Instruction Manual

Page 1: ...Instruction Manual Model 7017 800MHz Multiplexer Card Contains Operating and Servicing Information 7017 901 01 Rev A 8 96...

Page 2: ...SIVE REMEDIES NEITHER KEITHLEY INSTRUMENTS INC NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDI RECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS A...

Page 3: ...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...

Page 4: ...rporate immediately into the manual Addenda are num bered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revi...

Page 5: ...s such as installing or removing jumpers Do not touch any object that could provide a current path to the common side of the circuit under test or power line earth ground Always make measurements with...

Page 6: ...Multiplexer 109 Center to Shield 109 60pF Channel to Channel 109 CONTACT POTENTIAL 25 V CONTACT RESISTANCE 0 5 initial 1 at end of contact life CONTACT LIFE 1V 10mA 108 closures 20V 0 5A 5 104 closure...

Page 7: ...Shipment contents 1 2 1 7 4 Instruction manual 1 2 1 7 5 Repacking for shipment 1 2 1 8 Recommended cables and connectors 1 2 2 Connections and Installation 2 1 Introduction 2 1 2 2 Handling precauti...

Page 8: ...cleaning precautions 4 1 4 2 1 Handling precautions 4 1 4 2 2 Soldering considerations 4 1 4 3 Performance verification 4 1 4 3 1 Environmental conditions 4 2 4 3 2 Recommended verification equipment...

Page 9: ...ltiplexer expansion 3 4 Figure 3 2 Maintaining 50 characteristic impedance 3 5 Figure 3 3 4 4 matrix connections 3 6 Figure 3 4 Filter testing 3 7 Figure 3 5 Tape head production testing 3 8 4 Servici...

Page 10: ...nded 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 5 Replaceable Parts Table 5 1 Model 701...

Page 11: ...for repair be sure to fill out and include the service form at the back of this manual in order to provide the repair facility with the necessary information 1 4 Manual addenda Any improvements or ch...

Page 12: ...ccessories as ordered 1 7 4 Instruction manual If an additional Model 7017 Instruction Manual is required or der the manual package Keithley part number 7017 901 00 The manual package includes an inst...

Page 13: ...n nector insulators Dirt build up over a period of time is another possible source of contamination To avoid this problem operate the card in a clean environment If the card becomes contaminated it sh...

Page 14: ...2 1 Model 7017 simplified schematic IN 4 IN 3 Multiplexer A OUT A IN 2 IN 1 IN 8 IN 7 Multiplexer B OUT B IN 6 IN 5 Figure 2 2 Model 7017 card configuration Multiplexer B SMA Input Output Connectors M...

Page 15: ...Typical connection scheme IN 1 IN 2 OUT A IN 3 IN 4 IN 5 IN 6 OUT B IN 7 IN 8 Note All cables are 50 Measuring Instrument AC Signals 2 3 3 Input output connecting cables All connections to the multipl...

Page 16: ...1 7002 and disconnect all line cords Make sure all power is removed and any stored ener gy in external circuitry is discharged 1 Open the ejector arms at the back edge of the card 2 Slide the card edg...

Page 17: ...sition CARD 1 CARD 2 CARD 3 CARD 4 INTERCONNECTION INSTALLATION AND REMOVAL OF CARDS BY QUALIFIED SERVICE PERSONNEL ONLY WARNING NO INTERNAL OPERATOR SERVICEABLE PARTS SERVICE BY QUALIFIED PERSONNEL O...

Page 18: ...o 8 To close a Model 7017 multiplexer channel key in the CHANNEL assignment 1 through 8 and then press the Model 7001 7002 CLOSE key For example to close chan nel 4 of a Model 7017 installed in slot 2...

Page 19: ...N command programs the scan list and the INIT command takes the mainframe out of the idle state For example send the following commands to scan through all eight channels of a Model 7017 installed in...

Page 20: ...as it passes through the cable Cable attenuation factors are gen erally given in dB per 100 ft and increase with rising fre quency For example the recommended RG223 U cable has an attenuation factor o...

Page 21: ...2 Multiplexer A OUT A IN 3 IN 4 IN 5 IN 6 Multiplexer B OUT B IN 7 IN 8 T Connector Instrument Note This configuration will not maintain 50 characteristic impedance Model 7017 Figure 3 1 T connector...

Page 22: ...signal loss and reflections Matrix connections A 4 4 matrix may be formed by connecting the two out puts together using a short coaxial cable as shown in Figure 3 3 Note that this connection scheme p...

Page 23: ...2 Multiplexer A OUT A IN 3 IN 4 IN 5 IN 6 Multiplexer B OUT B IN 7 IN 8 Short 50 Coax Cable Instrument Connections Model 7017 DUT Connections A Connections Power Meter Spectrum Analyzer Counter Netwo...

Page 24: ...st tape heads Such testing generally involves measuring device impedance variations to help control manufacturing processes IN 1 IN 2 OUT A IN 3 IN 4 IN 5 IN 6 Model 7017 OUT B IN 7 IN 8 Network Analy...

Page 25: ...igure 3 5 Tape head production testing IN 1 IN 2 Model 7017 1 OUT A IN 3 IN 4 IN 5 IN 7 OUT B IN 6 IN 8 IN 1 IN 2 Model 7017 2 OUT A IN 3 IN 4 IN 5 IN 7 OUT B IN 6 IN 8 LCR Meter LCUR Tape Head 1 of 4...

Page 26: ...not touch any board surfaces or components not as sociated with the repair Do not touch areas adjacent to electrical contacts When servicing the card wear clean cotton gloves Do not store or operate...

Page 27: ...A HP8753C HP11851 Keithley 6517 10MHz 800MHz 1G 0 226 Insertion loss Isolation 1 Set the network analyzer to sweep the 10MHz to 800MHz frequency range 2 Normalize the analyzer reference channel to 0dB...

Page 28: ...Servicing 4 3 IN 1 IN 2 OUT A IN 3 IN 4 IN 5 IN 6 OUT B IN 7 IN 8 50 Cables Network Analyzer OUTPUT INPUT Channel 1 Connections Shown Model 7017 Figure 4 1 Connections for insertion loss tests...

Page 29: ...odel 6517 Electrometer to the center con ductor and shield of channel 1 as shown in Figure 4 3 2 With the power off install the Model 7017 card in the mainframe 3 Turn on the mainframe and the Model 6...

Page 30: ...AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK 115V LO HI RS232...

Page 31: ...CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488...

Page 32: ...E WITH SAME TYPE AND RATING INPUT 250V PEAK LINE RATING 50 60HZ 50VA MAX AC ONLY LINE FUSE SLOWBLOW 1 2A 90 125V 1 4A 180 250V IEEE 488 CHANGE IEEE ADDRESS WITH FRONT PANEL MENU DIGITAL I O TRIG LINK...

Page 33: ...ices Handle the devices only by the body do not touch the pins or terminals Any printed circuit board into which the device is to be inserted must first be grounded to the bench or table Use only anti...

Page 34: ...is clocked in by the CLK clock line Once the relay control byte has been shifted into the card the STR line is set high to latch the relay information into the Q outputs of the relay drivers and the a...

Page 35: ...in 7 U102 pins 11 through 18 U101 pins 4 6 15 17 6V 5V CLK pulses DATA pulses STR pulses Low with relay on high with relay off Low with relay on high with relay off All voltages referenced to digital...

Page 36: ...include the following information Card model number 7017 Card serial number Part description Circuit description if applicable Keithley part number 5 4 Factory service If the card is to be returned t...

Page 37: ...103 C104 105 J1001 1005 1010 1014 K101 112 P2001 U101 U102 U103 PROGRAMMED EPROM CAP 1UF 20 50V CERAMIC CAP 10UF 20 100 25V ALUM ELEC RT ANGLE JACK RECEPTACLE RELAY SPST GORDOS 4705S CONNECTOR 32 PIN...

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Page 41: ...n manual 1 2 Isolation tests 4 4 M Manual addenda 1 1 Multiplexer expansion 3 3 O Operation 3 1 Ordering information 5 1 P Parts list 5 1 Performance verification 4 1 Principles of operation 4 8 R Rec...

Page 42: ...nstable Will not read applied input Overload Calibration only Certi cate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system...

Page 43: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...