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Gain

A

djustment

Description

This

adjustment

adjust

the

HP

41802A's

gain.

Equipment

Network

Analyzer:

HP

8751A

P

ower

Splitter:

HP

11667A

10

dB

Attenuator

P

ad:

HP

8491A

Opt.

010

20

dB

Attenuator

P

ad:

HP

8491A

Opt.

020

N(m)-N(m)

A

dapter:

PN

1250-0778

N(m)-BNC(f)

A

dapter:

PN

1250-0780,

2

ea.

50

F

eed

through:

HP

10100C

N(m)-N(m)

Cable:

HP

11500B

BNC(m)-BNC(m)

Cable:

PN

8120-1838

Procedure

1.

Remove

the

bottom

plate

of

the

HP

41802A.

2.

Connect

the

equipment

as

shown

in

Figure

5-1.

Figure

5-1.

A

djustment

Setup

1

5-2

Adjustment

Содержание 41802A

Страница 1: ...IAL NUMBERS This manual applies directly to HP 41802As with serial number pre x 3103J For additional important information about serial numbers read Serial Number in Chapter 1 ABCDE HP Part No 41802 90000 Printed in Japan February 1999 2nd Edition ...

Страница 2: ...c Copyright 1991 1999 Hewlett Packard Japan LTD ...

Страница 3: ... in the operating manual for the speci ed period We will repair or replace products which prove to be defective during the warranty period provided they are returned to Hewlett Packard No other warranty is expressed or implied We are not liable for consequential damages For any assistance contact your nearest Hewlett Packard Sales and Service O ce Addresses are provided at the back of this manual ...

Страница 4: ...n using the HP 41802A Do NOT touch the center conductor of the BNC connector of the HP 41802A Do NOT touch the pin of the probe which is connected to the HP 41802A Eliminate ESD on your body Eliminate ESD on the work surface Do NOT introduce ESD into the DUT while the HP 41802A and the probe is in use iv ...

Страница 5: ...be 3 3 Probe Power Plug 3 3 Preparation for Use 3 3 Operating Check Using a Network Analyzer 3 4 Using an HP 8751A or HP 3577A B Network Analyzer 3 4 Equipment Required 3 4 Procedure 3 4 Using HP 8753A B C Network Analyzer 3 5 Equipment Required 3 5 Procedure 3 5 Operating Check Using a Spectrum Analyzer 3 6 Equipment Required 3 6 Procedure 3 6 Operating Check Using a Network Spectrum Analyzer 3 7...

Страница 6: ...equired 4 1 Calibration Cycle 4 2 Preparation 4 2 Gain Accuracy Flatness Tests 4 3 Description 4 3 Speci cations 4 3 Test Equipment 4 3 Procedure 4 3 Performance Test Record 4 6 Gain Accuracy Flatness Tests 4 6 5 Adjustment Introduction 5 1 Equipment Required 5 1 Preparation 5 1 Gain Adjustment 5 2 Description 5 2 Equipment 5 2 Procedure 5 2 6 Replaceable Parts Replaceable Parts Lists 6 1 A Manual...

Страница 7: ...lyzer 3 10 3 8 Network Measurement Setup Example Using One HP 41802A 3 12 3 9 Network Measurement Setup Example Using with a Transmission Re ection Set 3 13 3 10 Network Measurement Setup Example Using Two HP 41802As 3 14 3 11 Spectrum Measurement Setup Example 3 15 3 12 Measurement Setup Example BNC input connector 3 16 4 1 Test Setup 1 4 3 4 2 Test Setup 2 4 4 5 1 Adjustment Setup 1 5 2 5 2 Adju...

Страница 8: ......

Страница 9: ...ion Provides the installation information including initial inspection power requirements mating connectors and environmental requirements Chapter 3 Operation Provides the information for preparation and typical measurement setups including cautions on use Chapter 4 Performance Test Provides performance test procedures to ensure that the HP 41802A is within speci cations Chapter 5 Adjustment Provi...

Страница 10: ...195A If the instrument does not have a probe power supply use a separate power supply which meets the requirements described in Power Requirements in Chapter 2 Compatible Probes Compatible probes with the HP 41802A are high impedance passive probes which meet the following conditions Input resistance is 1 M Compensates oscilloscope input capacitance includes 12 pF The following HP Oscilloscope Pro...

Страница 11: ... not listed on the title page An unlisted serial number pre x indicates that the instrument may be di erent from those described in this operation note Operation notes for new instruments may be accompanied by a yellow Manual Supplement page or have a di erent manual part number This supplement contains Change Information explaining how to adapt this operation note to the newer instruments In addi...

Страница 12: ... These are denoted as typical nominal or approximate Frequency Range 5 Hz to 100 MHz Accuracy1 Input Level 03 dBm at 1 MHz 0 dB 6 2 dB 0 dB 6 0 5 dB typical Flatness1 relative to 1 MHz Input Level 03 dBm 62 8 dB 61 dB typical at 50 Hz to 100 MHz 1 02 dB typical at 5 Hz to 50 Hz Damage Level 2 Vrms 50 Vdc Power 15 V 45 mA nominal 012 6 V 40 mA nominal Operating Temperature 0 to 55 C Operating Relat...

Страница 13: ...upplemental performance characteristics are not guaranteed Supplemental Characteristics describe the instrument s performance over the temperature range of 23 6 5 C except where noted 1 dB Gain Compression1 Input Level 3 dBm 0 32 Vrms at 1 MHz Input Resistance 1 M Input Capacitance 12 pF 1 The following performance is speci ed when the HP 41802A is terminated with an HP 10100C 50 Feedthrough Termi...

Страница 14: ......

Страница 15: ...2 Installation Introduction This chapter contains the following information Initial inspection Power Requirements Mating connector Environmental requirements Installation 2 1 ...

Страница 16: ...e contents have been checked for completeness and the HP 41802A has been mechanically and electrically checked out Figure 2 1 shows the product overview of the HP 41802A The procedures for checking the general electrical operation are given in Chapter 4 If anything is damaged scratches dents broken connectors etc or if performance does not meet the speci ed performance test limits notify the neare...

Страница 17: ...ts listed in Table 2 1 The HP 1122A and HP 11899A Probe Power Supply meets these requirements and it accepts the HP 41802A s probe power plug directly Figure 2 2 Probe Power Requirements Table 2 1 Probe Power Requirements Pin Voltage Current 1 012 6 V 6 10 40 mA 2 Ground 3 15 V 6 6 45 mA Mating Connectors The output connector of the HP 41802A is a 50 N type male connector Note Keep the N type outp...

Страница 18: ...41802A may be stored or shipped under the following environmental conditions Temperature 040 C to 70 C Humidity 95 at 40 C Non condensing The unit must be protected from temperature extremes which can cause condensation 2 4 Installation ...

Страница 19: ...3 Operation Introduction This chapter provides the following information Operating precautions Preparation for use Typical measurement setups Operation 3 1 ...

Страница 20: ...at is connected to earth ground through a high resistance Table 3 1 lists the available anti static products Eliminate ESD on the work surface A grounded anti static bench mat is recommended Optional oor mats provide an extra measure of protection especially in areas with oor carpet Do NOT use the HP 41802A on a carpeted work surface Do NOT introduce ESD into the DUT while the probe is in use If a...

Страница 21: ...ing the N type connector Preparation for Use This paragraph provides the HP 41802A operating check procedure and the probe adjustment procedure The HP 41802A operating check procedure checks the adapter gain using a network analyzer a spectrum analyzer or a network spectrum analyzer These operating check procedures are only intended to ensure that the HP 41802A is functional If the HP 41802A fails...

Страница 22: ...nnect the equipment as shown in Figure 3 1 Note that the probe power plug must be connected before connecting the HP 41802A s N type connector Figure 3 1 Operating Check Setup Using HP 8751A or HP 3577A B Network Analyzer 2 Set the network analyzer as follows Measurement Mode B A or R absolute amplitude measurement Center Frequency 1 MHz Frequency Span 0 Hz Output Level 010 dBm 3 Con rm that the s...

Страница 23: ...t as shown in Figure 3 2 Note that the probe power plug must be connected before connecting the HP 41802A s N type connector Figure 3 2 Operating Check Setup Using HP 8753A B C Network Analyzer 2 Set the network analyzer as follows Measurement Mode R absolute amplitude measurement Center Frequency 1 MHz Frequency Span 0 Hz Output Level 05 dBm 3 Con rm that the signal level is 05 dB 6 5 dB Note If ...

Страница 24: ...ote that the probe power plug must be connected before the HP 41802A s N type connector Note If the spectrum analyzer has a tracking generator output use the tracking generator output connector instead of the calibration output connector Then set the output level to 010 dBm Figure 3 3 Operating Check Setup Using Spectrum Analyzer 2 Setup the spectrum analyzer as follows Center Frequency Same as Ca...

Страница 25: ...ary Procedure 1 Connect the equipment as shown in Figure 3 4 Note that the probe power plug must be connected before the HP 41802A s N type connector Figure 3 4 Operating Check Setup Using Network Spectrum Analyzer 2 Set up the Network Spectrum analyzer as follows Con guration Spectrum Center Frequency 1 MHz Frequency Span 0 Hz Port Select Source Channel 1 on Amplitude S1 026 dBm Ref Attenuator R1...

Страница 26: ...78 N m BNC m Adapter PN 1250 0780 2 ea 50 Feedthrough HP 10100C N m N m Cable HP 11500B BNC m BNC m Cable PN 8120 1838 Procedure 1 Connect the equipment as shown in Figure 3 5 Figure 3 5 Probe Adjustment Setup Using a Network Analyzer 1 2 Setup the network analyzer as follows Measurement Mode B R Start Frequency 5 Hz Stop Frequency 100 MHz Sweep Type Log Frequency Source Power 05 dBm IF BW 2 Hz 3 ...

Страница 27: ...lyzer 2 5 Touch the center pin of the feedthrough with the probe tip 6 Adjust the trimmer component through opening in probe assembly cover until the trace is as close to 020 dB as possible Note Only the mid frequency range is adjustable The low frequency and high frequency range are not adjustable The adjustable range depends on the probe you use Operation 3 9 ...

Страница 28: ...bond Note If the spectrum analyzer has a tracking generator output use the tracking generator output connector instead of the calibration output connector Then set the output level to 010 dBm Figure 3 7 Probe Adjustment Setup Using Spectrum Analyzer 2 Setup the spectrum analyzer as follows Center Frequency Same as Calibration Output frequency Frequency Span 50 kHz Attenuation 10 dB 3 Touch the cen...

Страница 29: ...ich have BNC connectors Caution Electrostatic discharge ESD can damage the HP 41802A s highly sensitive input ampli er Do NOT touch the center conductor of the BNC connector of the HP 41802A Do NOT touch the pin of the probe which is connected to the HP 41802A Do not apply a ac dc level which exceeds 650 V to the probe Do not mate the output connector of the probe assembly 50 type N connector to 7...

Страница 30: ...rement setup for the network measurements Place the probe tip as close to the input of the device under test and perform a normalize through calibration to compensate the frequency response error Figure 3 8 Network Measurement Setup Example Using One HP 41802A 3 12 Operation ...

Страница 31: ...ork measurements using with a transmission re ection test set Place the probe tip as close to the input of the device under test and perform a normalize through calibration to compensate the frequency response error Figure 3 9 Network Measurement Setup Example Using with a Transmission Re ection Set Operation 3 13 ...

Страница 32: ...st and perform a normalize through calibration to compensate the frequency response error Figure 3 10 Network Measurement Setup Example Using Two HP 41802As Note Use Input R and Input B to reduce cross talk If you want to set two HP 41802As side by side Set the HP 41802As vertically in the same direction Set the HP 41802As parallel and do not let them touch each other 3 14 Operation ...

Страница 33: ...Spectrum Measurements Figure 3 11 shows typical measurement setup using a spectrum analyzer Figure 3 11 Spectrum Measurement Setup Example Operation 3 15 ...

Страница 34: ...m cable and N f BNC m adapter are recommended to use for connecting the HP 41802A to the instrument Do not use an in exible adapter such as a BNC m N f adapter instead of the cable and N f BNC f adapter otherwise the overweight caused by the HP 41802A may damage the instrument s connector Figure 3 12 Measurement Setup Example BNC input connector 3 16 Operation ...

Страница 35: ... the substitution equipment meets or exceeds the speci cations listed in the Requirements column Table 4 1 Recommended Test Equipment Equipment Critical Speci cations Recommended Model Qty Network Analyzer No substitute HP 8751A or HP 4195A 1 Power Splitter Frequency 10 Hz to 100 MHz Equivalent Output SWR 1 1 100 MHz HP 11667A 1 Adapter 50 N m N m PN 1250 0778 1 50 N m BNC f PN 1250 0780 2 Attenua...

Страница 36: ...y of use Preparation This paragraph provides the information which you should know and the steps that you should perform before starting the performance test 1 Allow the HP 41802A and the test equipment to warm up and stabilize for at least 30 minutes before you execute any of the performance tests 2 Perform all performance tests in an ambient temperature of 23 C 6 5 C 4 2 Performance T est ...

Страница 37: ...z Test Equipment Network Analyzer HP 8751A Power Splitter HP 11667A 10 dB Attenuator Pad HP 8491A Opt 010 20 dB Attenuator Pad HP 8491A Opt 020 N m N m Adapter PN 1250 0778 N m BNC f Adapter PN 1250 0780 2 ea 50 Feed through HP 10100C N m N m Cable HP 11500B BNC m BNC m Cable PN 8120 1838 Procedure 1 Connect the equipment as shown in Figure 4 1 Figure 4 1 Test Setup 1 Performance T est 4 3 ...

Страница 38: ...KR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER MODE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKERS DISCRETE 3 Perform the following key strokes to do a response calibration 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNN RESPONSE NNNNNNNNNNNNNN THRU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DONE RESPONSE 4 Change the c...

Страница 39: ... to the following table Then record the results on the Performance Test Record and use the equation given on the Performance Test Record to calculate the test results Test Frequency 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 10 MHz 100 MHz Performance T est 4 5 ...

Страница 40: ...ement Uncertainty 02 0 dB 2 0 dB 60 48 dB Flatness relative to 0 dBm at 1 MHz Frequency Reading b Minimum Limit Test Result 0a b Maximum Limit Measurement Uncertainty 10 Hz 02 8 dB 2 8 dB 60 70 dB 100 Hz 02 8 dB 2 8 dB 60 70 dB 1 kHz 02 8 dB 2 8 dB 60 70 dB 10 kHz 02 8 dB 2 8 dB 60 70 dB 100 kHz 02 8 dB 2 8 dB 60 70 dB 10 MHz 02 8 dB 2 8 dB 60 70 dB 100 MHz 02 8 dB 2 8 dB 60 70 dB 4 6 Performance ...

Страница 41: ...ed after these adjustments refer to Chapter 6 Equipment Required Table 4 1 lists the equipment required for adjustment Preparation This paragraph provides the information which you should know and the procedures that you must perform before starting the adjustments 1 Allow the HP 41802A and the test equipment to warm up and stabilize for at least 30 minutes before you execute the adjustments 2 Per...

Страница 42: ... Pad HP 8491A Opt 010 20 dB Attenuator Pad HP 8491A Opt 020 N m N m Adapter PN 1250 0778 N m BNC f Adapter PN 1250 0780 2 ea 50 Feed through HP 10100C N m N m Cable HP 11500B BNC m BNC m Cable PN 8120 1838 Procedure 1 Remove the bottom plate of the HP 41802A 2 Connect the equipment as shown in Figure 5 1 Figure 5 1 Adjustment Setup 1 5 2 Adjustment ...

Страница 43: ...ENU5 NNNNNNNNNNNNNNNNN POWER 435 4x15 Marker Discrete 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER MODE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER DESCRETE Scale 0 1 dB div 4SCALE REF5 4 5 415 4x15 4 Perform the following key strokes to do a response calibration 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNN RESPONSE...

Страница 44: ...6 Adjust A1R5 until the marker reading is 0 dB 6 0 1 dB and is as close as possible to 0 dB Figure 5 3 Adjustment Setup 3 5 4 Adjustment ...

Страница 45: ... serves as an error check of the part number and should be used when ordering a part Quantity refers to the quantity of the part in the accompanying illustration The description is a brief written description of the part and may be used for ordering purposes The manufacturer s code is a ve digit number assigned to each manufacturer as listed in Table 6 1 The manufacturer part number may or may not...

Страница 46: ...Figure 6 1 Replaceable Parts 1 of 2 6 2 Replaceable Parts ...

Страница 47: ... Z ADAPTER 28480 41802 66501 9 41802 04001 1 1 COVER HOUSING 28480 41802 04001 10 0515 1873 0 2 SCREW METRIC 28480 0515 1873 11 5080 3324 2 1 LABEL Serial No Plate 28480 5080 3324 12 0515 0976 2 3 SCR MACH M2X0 4 28480 0515 0976 13 2190 0654 5 3 WASHER LK HLCL 2 28480 2190 0654 14 41802 87113 0 1 LABEL 28480 41802 87113 15 0515 0914 8 2 SCR MACH M3X0 5 28480 0515 0914 16 1250 2229 1 1 CONN N PR 23...

Страница 48: ...ure 6 2 Replaceable Parts 2 of 2 Table 6 3 Replaceable Parts 2 of 2 RD Part No C D Qty Description Mfr Mfr Part No 1 41802 64901 6 1 HI Z ADAPTER w o Serial No Plate 28480 41802 64901 6 4 Replaceable Parts ...

Страница 49: ...erial number Instruments manufactured after the printing of this manual may be di erent than those documented in this operation note Later instrument versions will be documented in a manual changes supplement that will accompany the operation note shipped with that instrument If your instrument serial number is not listed on the title page of this manual or in Table A 1 it may be documented in a y...

Страница 50: ......

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