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1

General

Information

INTRODUCTION

The

purp ose

of

this

man

ual

is

to

enable

y

ou

to

use

y

our

87512A

or

87512B

transmission/reection

test

kit

ecien

tly

and

conden

tly

.

This

man

ual

con

tains

b oth

general

and

sp ecic

information.

When

information

applies

to

b oth

the

87512A

(the

50

test

kit)

and

the

87512B

(the

75

test

kit)

the

name

87512A/B

will

b e

used.

T

o

use

the

87512A/B

to

p erform

a

sp ecic

function

(without

reading

the

en

tire

man

ual),

follow

the

directions

in

\USING

THE

87512A/B ".

This

c

hapter,

(1)

outlines

ho

w

to

b egin

using

the

87512A/B

as

quic

kly

as

p ossible,

(2)

describ es

what

instrumen

t

are

co

v

ered

b

y

this

man

ual,

(3)

describ es

the

test

kit

itself,

(4)

men

tions

op erating

precautions,

safety

considerations

and

w

arrant

y

restrictions,

(5)

lists

the

additional

equipmen

t

required,

and

(6)

denes

and

lists

the

required

instrumen

t

sp ecications.

USING

THE

87512A/B

The

87512A/B

has

b een

designed

to

op erate

sp ecically

with

the

Agilent

T

ec

hnologies

net

w

ork

analyzer.

T

o

install

the

instrumen

t,

turn

to

Chapter

2.

T

o

op erate

the

instrumen

t,

turn

to

Chapter

3.

T

o

c

hec

k

the

prop er

op eration

of

the

87512A/B ,

see

the

Chapter

4.

T

o

troublesho

ot

the

87512A/B ,

turn

to

Chapter

5.

General

Information

1-1

Содержание 87512A

Страница 1: ...ERVICE MANUAL SERIAL NUMBERS This manual applies directly to instruments with serial number pre x 3244J For additional important information about serial numbers read INSTRUMENT COVERED BY MANUAL in Chapter 1 Agilent Part No 87512 90020 Printed in JAPAN February 2001 ...

Страница 2: ...copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of the Agilent Technologies Agilent Technologies Japan Ltd Component Test PGU Kobe 1 3 2 Murotani Nishi ku Kobe shi Hyogo 651 2241 Japan c Copyright 1990 1992 2000 2001 Agilent Technologies Japan Ltd ...

Страница 3: ...h these requirements DO NOT Operate In An Explosive Atmosphere Do not operate the instrument in the presence of ammable gasses or fumes Operation of any electrical instrument in such an environment constitutes a safety hazard Keep Away From Live Circuits Operating personnel must not remove the instrument covers Component replacement and internal adjustments must be made by quali ed maintenance per...

Страница 4: ...e of the words in italics For example copy lename means to type the word copy to type a space and then to type the name of a le such as file1 Computer Computer font is used for on screen prompts and messages 4HARDKEYS5 Labeled keys on the instrument front panel are enclosed in 4 5 NNNNNNNNNNNNNNNNNNNNNNNNNN SOFTKEYS Softkeys located to the right of the CRT are enclosed in NNNNN Certification Agile...

Страница 5: ...n when property installed on that instrument Agilent Technologies does not warrant that the operation of the instrument or software or rmware will be uninterrupted or error free Limitation Of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modi cation or misuse operation outsid...

Страница 6: ...se of fault A terminal marked with this symbol must be connected to ground in the manner described in the installation Operation manual and before operating the equipment Frame or chassis terminal A connection to the frame chassis of the equipment which normally includes all exposed metal structures Alternating current power line Direct current power line Alternating or direct current power line W...

Страница 7: ...IPMENT 1 5 SPECIFICATIONS 1 6 OPERATING CHARACTERISTICS 1 6 De nitions 1 6 2 Installation INTRODUCTION 2 1 INITIAL INSPECTION 2 1 ENVIRONMENTAL CONSIDERATIONS 2 2 Operating and Storage 2 2 PREPARATION FOR USE 2 2 Connecting the Test Kit 2 2 Mating Connectors 2 3 Power and Control Connections 2 3 PACKAGING 2 3 3 Operation INTRODUCTION 3 1 TYPICAL MEASUREMENT SETUP 3 2 One Port Measurements 3 2 One ...

Страница 8: ... Equipment 4 5 Procedure 4 5 5 Service A Manual Changes Introduction A 1 MANUAL CHANGES A 1 Change 1 A 1 Page 1 3 Table A 1 Page 1 6 Tabel 1 2 Speci cations A 2 Page 1 6 Tabel 1 3 Operating Characteristics A 2 Page 2 1 Tabel 2 1 Contents of the 87512A B A 2 Page 5 3 Tabel 5 1 87512A Signal Divider Replaceable Parts Lists A 2 Page 5 3 Tabel 5 2 87512B Signal Divider Replaceable Parts Lists A 2 Cont...

Страница 9: ...s Test Setup With an 8751A 4 4 4 2 Insertion Loss Test Without an 8751A Setup 4 5 5 1 87512A B Signal Divider Exploded View 5 2 Tables 1 1 Accessories Available 1 4 2 1 Contents of the 87512A B 2 1 4 1 Recommended Test Equipment 4 2 5 1 87512A Signal Divider Replaceable Parts Lists 5 3 5 2 87512B Signal Divider Replaceable Parts Lists 5 3 A 1 Manual Changes by Serial Number A 1 Contents 3 ...

Страница 10: ......

Страница 11: ...ter 1 outlines how to begin using the 87512A B as quickly as possible 2 describes what instrument are covered by this manual 3 describes the test kit itself 4 mentions operating precautions safety considerations and warranty restrictions 5 lists the additional equipment required and 6 de nes and lists the required instrument speci cations USING THE 87512A B The 87512A B has been designed to operat...

Страница 12: ... it may contain replacement information as well as change information The supplement for this manual is keyed to the manual s print date and part number on the title page and is available on request from Agilent Technologies This manual is also available on micro che form the part number appears on the title page With the manual in 4 2 6 inch micro lm transparency format you will also receive the ...

Страница 13: ...g Case 87512 60011 87512 60012 1 2 Resistive Signal Divider 87512 61001 87512 61002 1 3 Semi rigid cable 41952 61601 41952 61601 1 4 Precision SHORT Termination 11512A 85036 60012 1 5 Precision LOAD Termination 909C Opt 012 909E 1 6 DUT Return Cable 8120 4666 8120 4666 1 7 Minimum Loss Pad 50 75 Not furnished 11852B 1 General Information 1 3 ...

Страница 14: ...n kits also contain precision adapters The accessory kits listed contain the components generally required to measure devices with the types of connectors indicated Additional information is included in the analyzer s manual Table 1 1 Accessories Available Connector Type Calibration Kit Accessory Kit 7 mm 85031B N A1 Type N 50 85032B 11853A2 Type N 75 85036B N A1 BNC 50 N A1 11854A2 1 not availabl...

Страница 15: ...grounded instrument chassis before touching the test port connectors Never touch the center contacts of the connectors Use a work station equipped with an anti static surface Service The voltages in this test kit do not warrant more than normal caution for operator safety Nevertheless service should be performed by quali ed personnel RECOMMENDED TEST EQUIPMENT Table 4 1 lists equipment and accesso...

Страница 16: ...se typical of most 87512A B instruments but are not guaranteed Typical but non warranted performance characteristics intended to provide information useful in applying the instrument Operating characteristics are representative of most instruments though not necessarily tested in each unit and not eld tested Table 1 3 Operating Characteristics Parameter 87512A 87512B Insertion Loss1 10 6 1 dB 10 6...

Страница 17: ...ection If the test kit does not pass the veri cation refer to the troubleshooting procedures in Chapter 5 If the shipping container is damaged and the test kit fails the veri cation procedure or is damaged defective or incomplete keep the shipping materials and notify both the carrier and the nearest Agilent Technologies o ce The Agilent Technologies o ce will arrange for repair or replacement of ...

Страница 18: ... The 87512A B is designed to mount directly to the network analyzer as shown in Figure 2 1 The analyzer s R and A ports should be connected to the 87512A B s R or INCIDENT and A or REFLECTED ports respectively The analyzer s RF OUT port should be connected to the test kit RF IN port using semi rigid cable The device under test should be connected to the test set s TEST PORT The exible coaxial cabl...

Страница 19: ...0 type N connectors which mate with the corresponding precision type N connectors whose dimensions conform to US speci cation MIL C 39012 Power and Control Connections Power is not required for the 87512A B PACKAGING If shipping to a Agilent Technologies service center is required each test kit should be repackaged using the original factory packaging materials Alteratively comparable packaging ma...

Страница 20: ......

Страница 21: ...R of the network analyzer This signal is used as the reference signal in ratio measurements 2 REFLECTED This connector returns the re ected signal from the device under test to input A of the analyzer 3 TEST PORT The device under test is connected here This connector provides the output signal to the DUT and receives the re ected signal from the DUT The 87512A TEST PORT connector is a 50 type N co...

Страница 22: ...asurement setup using the 87512A B Figure 3 2 Typical Measurement Setup One Port Measurements One Port Calibration The 87512A B should be calibrated for re ection measurements using the internal calibration function of the analyzer The calibration function requires the standards used to be attached in place of a test device during calibration Refer to the analyzer s manual for a complete descripti...

Страница 23: ...n measurements using the internal calibration function of the analyzer The calibration function requires the standards used to be attached in place of a test device during calibration Refer to the analyzer s manual for a complete description of the calibration procedure Transmission Measurements By using the 87512A B transmission calibration and the ratio measurement functions the gain or loss of ...

Страница 24: ......

Страница 25: ...2A B and to verify that the test set is in good order after it has been repaired VERIFICATION CYCLE The 87512A B requires periodic performance veri cation The frequency of performance veri cation depends on the operating and environmental conditions under which the 87512A B is used Verify the 87512A B s performance at least once a year using the operational veri cation described in this chapter EQ...

Страница 26: ... 500 MHz 8663A Output Level 0 dBm Power Meter4 Frequency 500 MHz 436A Amplitude 15 7 to 0 dBm Power Sensor4 Frequency 500 MHz 8482A Amplitude 15 7 to 0 dBm 50 Termination4 Type N female 909C Opt 013 2 ea 1 This equipment is used for the insertion loss test with an 8751A 2 This equipment is furnished with the 87512A B 3 11852B is furnished with 87512B 4 This equipment is used for the insertion loss...

Страница 27: ...d the 8751A input B connector 2 Setup the 8751A as follows Control Settings Key Strokes PRESET 4PRESET5 Meas Con g B 4MEAS5 NNNNN B Sweep Type LOG FREQ 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SWEEP TYPE MENU NNNNNNNNNNNNNNNNNNNNNNNNNN LOG FREQ IF BW 2 Hz 4AVG5 NNNNNNNNNNNNNNNNN IF BW 425 4x15 3 Perform the following key strokes to perform the THRU calibration 4CAL5 NNNNNNNNNNNNNNNNN...

Страница 28: ... reading value is within the following limits 87512A 10 dB 6 1 dB 87512B 15 7 dB 6 1 dB Note The 50 75 minimum loss pad increases the 87512B test set insertion loss from 10 dB to 15 7 dB 6 Press NNNNNNNNNNN MIN to move the marker to MIN Con rm that the measurement value is within the following limits 87512A 10 dB 6 1 dB 87512B 15 7 dB 6 1 dB 4 4 Operational Verification ...

Страница 29: ...Loss Pad 50 75 87512B only 11852B Furnished with the 87512B Procedure 1 Set the signal generator output for a frequency of 500 MHz and an output level of 0 dBm 2 Calibrate the power meter and sensor with the power reference on the power sensor 3 Connect the power sensor to the signal generator output 4 Record the power meter reading as A 5 Connect the test equipment as shown in Figure 4 2 Figure 4...

Страница 30: ... calculated result is within the following limits 87512A 10 dB 6 1 dB 87512B 15 7 dB 6 1 dB Note The 50 75 minimum loss pad increases the 87512B test set insertion loss from 10 dB to 15 7 dB 4 6 Operational Verification ...

Страница 31: ...ssion Re ection Test Kit Figure 5 1 shows the exploded view of the 87512A signal divider 50 PN 87511 61001 and the 87512B signal divider 75 PN 87511 61002 Table 5 1 lists the replaceable parts for the 87512A signal divider and Table 5 2 lists the replaceable parts for the 87512B signal divider Service 5 1 ...

Страница 32: ...Figure 5 1 87512A B Signal Divider Exploded View 5 2 Service ...

Страница 33: ...Inner Conductor Assy 50 28480 41952 60012 12 87512 87115 3 1 Label TEST PORT 28480 87512 87115 Table 5 2 87512B Signal Divider Replaceable Parts Lists Reference Designator Part No C D Qty Description Mfr Mfr Part No 1 87512 87114 6 1 Label RF IN 28480 87512 87114 2 1250 0549 4 2 Body RF Connector Type N Female 28480 1250 0549 0515 0999 9 4 Screw Mach 28480 0515 0999 3 08742 0006 5 2 Spacer Outer C...

Страница 34: ......

Страница 35: ...ges listed opposite your test set s serial number Test sets manufactured after the printing of this manual may be di erent than those documented in this manual Later test set versions will be documented in a manual changes supplement that will accompany the manual shipped with that test set If your test set s serial number is not listed on the title page of this manual or in Table A 1 it may be do...

Страница 36: ...2 30 dB 25 dB Page 2 1 Tabel 2 1 Contents of the 87512A B Change as follows Carrying case 87512 60001 87512 60002 Page 5 3 Tabel 5 1 87512A Signal Divider Replaceable Parts Lists Change as follows 7 87512 87111 3 1 Label Top 28480 87512 87111 Page 5 3 Tabel 5 2 87512B Signal Divider Replaceable Parts Lists Change as follows 7 87512 87112 4 1 Label Top 28480 87512 87112 A 2 Manual Changes ...

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