Bedienungsanleitung HP (Hewlett-Packard) Hewlett-Packard8590 EM Series

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HP 8590 EM-Series EMC Analyzer
Calibration Guide
ABCDE
HP P No . 5962-0467
Printed in US A December 1995
art

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Notice The information contained in this document is subject to change without notice . Hewlett-P ackard makes no warranty of any k ind with regard o t this material, including but not imitedl to , the implied warranties of merchantability and tness for a particular purpose . ewlett-P H ackard shall not be liable for errors contained herein or for incidental or consequential damages ni connection with the furnishing, performance , or use this material. Restricted Rights Legend Use , duplication

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Certication Hewlett-P ackard Company certies that this product met its published specications at the ime t of shipment from the factory . Hewlett-P ackard further certies that its calibration m easurements are raceable t to the United States National Institute of Standards and T echnology , to the extent allowed by the nstitute’sI calibration facility , and to the calibration facilities of other International Standards Organization members . W arranty This Hewlett-P ackard instrument product

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THE REMEDIES PRO VIDED HEREIN ARE BUYER’S SOLE AND XCLUSIVE E REMEDIES. HEWLETT-P A CKARD SHALL NOT BE LIABLE F OR ANY DIRECT , INDIRECT , SPECIAL, INCIDENT AL, OR CONSEQUENTIAL D GES, WHETHER B ASED ON CONTRA CT , TORT , OR NY A OTHER LEGAL THEORY . Assistance Product maintenance agreements and other customer a ssistance agreements are available for Hewlett-P ackard products .F or any assistance , ontactc your nearest Hewlett-P ackard Sales and Service Oce . Compliance This instrument has been

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CA UTION Caution denotes a hazard. It calls attention t o a procedure that, if not correctly performed or adhered to , would result in damage to or destruction of the instrument. Do not proceed beyond a c aution sign until he t indicated c onditions a re fully understood and et. m v

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General Safety Considerations No operator serviceable parts inside . eferR servicing to W ARNING qualied personnel. T o prevent electrical shock, do not remove covers . If this instrument is not used as specied, the protection provided by the equipment may be impaired. This instrument must be used in a n ormal condition (in which all means for protection re a intact) only . F or continued protection against re h azard, replace line fuse only with same type and rating 5A/250V]). The of other f

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Manual Conventions F ront-P anel Key This represents a key hysicallyp located on the instrument. NNNNNNNNNNNNNNNNNNNNNNN This indicates a softkey\ ," a k ey whose label s i determined by Softkey the rmware of the instrument. Screen Text This indicates text displayed on the instrument’s screen. vii

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HP 8590 EM-Series EMC Analyzer Documentation Description The following documents are provided with the HP 8590 E M-Series EMC Analyzer . V erication Guide provides information for verifying the instrument’s performance , s pecications and characteristics , and customer support. User’s Guide describes instrument features and h ow to make measurements with y our EMC a nalyzer . Quick R eference Guide provides menu maps ,erorr messages , and eyk descriptions , remote programming codes , and other

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Chapter 7 provides the specications and haracteristics c for he t HP 8595EM MC E analyzer . Chapter 8 provides the specications and haracteristics c for he t HP 8596EM MC E analyzer . Chapter 9 provides the haracteristics c for the EMC a nalyzer with the RF lter section. Chapter 10 contains information for providing customer support to you if you have a problem with your EMC analyzer . 1 ix

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1 Calibrating This c hapter identies he t performance test procedures which test the electrical performance of he t analyzer . Allow he t analyzer to warm up in a ccordance with the t emperature s tability specications before performing the tests called out in this chapter . None of the test procedures involve removing the cover of the analyzer . Calibration Calibration veries that the analyzer performance within all specications . It is time consuming requires extensive test equipment. Cali

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Calibration Cycle The performance tests i n Chapter 2 houlds be used o t heck c the a nalyzer against its specications once every year . pecications S are listed in this calibration guide . The 300 MHz frequency fo the CAL OUT signal m ust be checked at the same time and adjusted if necessary . Refer o t he t \10 MHz F requency Reference A djustment" procedure i n the assembly-level repair service g uide . 1-2 Calibrating

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P erformance V erication T est T ables The tables on the following pages list the performance tests n i chapter 2. Select the a nalyzer ptiono being calibrated and perform the tests marked in the option column. A dot indicates that the t est s i equiredr for calibration. ote N hat t some of the tests are used for both calibration a nd operation verication ( marked with Calibrating 1-3 ).

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T able 1-1. HP 8 591EM P erformance V erication T ests Calibration for Instrument Option: P erformance T est Name 1 Std 004 010 101 1. 10 MHz Reference Output A ccuracy 2. 10 MHz Precision Frequency Reference Output A ccuracy 4. Frequency Readout a nd Marker Count A ccuracy 6. Noise Sidebands 7. System Related Sidebands 8. Frequency Span Readout A ccuracy 10. Residual FM 12. Sweep Time A ccuracy

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T able 1-2. HP 8593EM P erformance V erication T ests Calibration for Instrument Option: P erformance V erication T est Name 1 Std 004 010 026 027 101 1. 10 MHz Reference Output A ccuracy 2. 10 MHz Precision Frequency Reference O utput A ccuracy 3. Comb Generator Frequency A ccuracy 5. Frequency Readout and M arker Count A ccuracy 6. Noise Sidebands 7. System Related Sidebands 9. Frequen

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T able 1-3. HP 8 594EM P erformance V erication T ests Calibration for Instrument Option: P erformance V erication T est ame N 1 Std 004 010 101 1. 10 MHz Reference Output A ccuracy 2. 10 MHz Precision Frequency Reference Output A ccuracy 4. Frequency Readout a nd Marker Count A ccuracy 6. Noise Sidebands 7. System Related Sidebands 9. Frequency Span Readout A ccuracy 11. Residual FM 12. Sweep Time

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T able 1-4. HP 8595EM P erformance V erication T ests Calibration for Instrument O ption: P erformance V erication T est Name 1 Std 004 010 101 1. 10 MHz Reference Output A ccuracy 2. 10 MHz Precision Frequency eference R Output A ccuracy 5. Frequency Readout and arker M Count A ccuracy 6. Noise S idebands 7. System Related Sidebands 9. Frequency S pan eadout R A ccuracy 11. esidualR FM 12. Sweep Ti

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T able 1-5. HP 8 596EM P erformance V erication T ests Calibration for Instrument Option: P erformance V erication T est ame N 1 Std 004 010 101 1. 10 MHz Reference Output A ccuracy 2. 10 MHz Precision Frequency Reference Output A ccuracy 3. Comb Generator Frequency A ccuracy 5. Frequency Readout a nd Marker Count A ccuracy 6. Noise Sidebands 7. System Related Sidebands 9. Frequency Span Readout A ccuracy

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Safety F amiliarize yourself with the safety symbols marked on the analyzer , a the g eneral safety instructions and the symbol denitions given in the front f o this guide before you begin verifying performance of the EMC analyzer . Before Y ou Start There are four things you should do before starting a p erformance verication test: Switch the analyzer and let warm up in accordance with temperature stability specication. Read \Making a Measurement" your analyzer user’s guide . analyzer has wa

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keep the copy for your calibration test record. This record could p rove valuable in tracking gradual c hanges i n est t results o ver long periods of time . Frequency and amplitude self-calibration P erform the frequency and amplitude s elf-calibration routines at least nce o per day , or if he t analyzer fails a verication test. T o perform s elf-calibration, NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN press CAL then CAL FREQ & MPTD A . T he instrument must be up to operating NNNNN