HP Cell Phone Accessories 8935 Uživatelský manuál

HP 8935 CDMA Cellular/PCS Base Station Test SetAMPS Base Station TestsApplication GuideFirmware Version: A.01.00 and aboveHP Part Number: E6380-90017R

10 Regional Sales OfficesIMPORTANT Regional Sales and Service OfficesEastern USASales OfficeHewlett-Packard Company2101 Gather Rd.Rockville, MD 2085

11AsiaSales and ServiceHewlett-Packard Asia Ltd.22-30/F Peregrine TowerLippo Center89 Queensway, CentralHong KongG.P.O. Box 863 Hong KongTelephone:

12 Main Menu

Contents 13Table of ContentsIn This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151. Getting Start

14 ContentsMeasuring Insertion Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Memory Cards . . . . . . . . . . . . . . .

15In This ManualIn This ManualWhat is Discussed This ManualThis manual explains how to use the HP 8935 to manually test an AMPS base station.This do

16 Which Document is Required?The following documents are part of the HP 8935 document set. Use the table to help you decide which document you need

171 Getting Started with AMPS TestThis chapter introduces you to the HP 8935 CDMA Cellular/PCS Base Station Test Set and its AMPS functions. For infor

18 Chapter 1 Getting Started with AMPS TestAbout the Test SetAbout the Test SetProduct DescriptionThis Test Set helps you install, commission, and mai

Chapter 1 19Getting Started with AMPS TestAbout the Test SetChapter 1Getting Started with AMPS TestGetting HelpIf you have problems using this Test Se

2 NoticeInformation contained in this document is subject to change without notice.All Rights Reserved. Reproduction, adaptation, or translation wit

20 Chapter 1 Getting Started with AMPS TestAbout the Test SetWhat’s Included with this Test SetThe equipment commonly shipped with the base Test Set i

Chapter 1 21Getting Started with AMPS TestManual and Automatic Operation ModesChapter 1Getting Started with AMPS TestManual and Automatic Operation Mo

22 Chapter 1 Getting Started with AMPS TestMaximizing the Accuracy of Your MeasurementsMaximizing the Accuracy of Your MeasurementsThis Test Set is de

Chapter 1 23Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Chapter 1Getting Started with AMPS TestDisplay an FM Carrier Sig

24 Chapter 1 Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Get Started with the Test SetHere are some guides for selecting

Chapter 1 25Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Chapter 1Getting Started with AMPS TestNOTE AF generators 1 and

26 Chapter 1 Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Analyzing an FM Carrier Signal1. Press the RF Anl key to go to

Chapter 1 27Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Chapter 1Getting Started with AMPS TestWhat to Do NextCongratula

28 Chapter 1 Getting Started with AMPS TestDisplay an FM Carrier Signal (Loopback Test)Main Menu

292 Testing AMPS Base StationsAdvanced Mobile Phone System (AMPS) base stations for cellular telephone systems are basically continuous wave (CW) FM

3Manufacturer’s DeclarationThis statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January 1991.T

30 Chapter 2 Testing AMPS Base StationsAMPS Tests You Can PerformAMPS Tests You Can PerformThe following tests are explained in this manual:• "T

Chapter 2 31Testing AMPS Base StationsWhat You Need to Know to BeginChapter 2Testing AMPS Base StationsWhat You Need to Know to BeginYou need to know

32 Chapter 2 Testing AMPS Base StationsConnecting the Test Set to Your Base StationConnecting the Test Set to Your Base StationThe connections shown i

Chapter 2 33Testing AMPS Base StationsCompensating for Signal Losses and Gains in the Test SetupChapter 2Testing AMPS Base StationsCompensating for Si

34 Chapter 2 Testing AMPS Base StationsTransmitter Frequency Error/Offset and Power TestTransmitter Frequency Error/Offset and Power TestThis test com

Chapter 2 35Testing AMPS Base StationsTransmitter Frequency Error/Offset and Power TestChapter 2Testing AMPS Base Stations7. Turn on the transmitter.

36 Chapter 2 Testing AMPS Base StationsTransmitter SAT Frequency and DeviationTransmitter SAT Frequency and DeviationThis test measures the transmitte

Chapter 2 37Testing AMPS Base StationsTransmitter SAT Frequency and DeviationChapter 2Testing AMPS Base Stations8. Set the Filter 2 field to 6 kHz BPF

38 Chapter 2 Testing AMPS Base StationsTransmitter Data DeviationTransmitter Data DeviationThis test measures the transmitter’s digital data deviation

Chapter 2 39Testing AMPS Base StationsTransmitter Data DeviationChapter 2Testing AMPS Base Stations8. Set Filter 1 to <20Hz HPF.9. Set Filter 2 to

4 SafetyGENERALThis product and related documentation must be reviewed for familiarization with safety markings and instructions before operation.Th

40 Chapter 2 Testing AMPS Base StationsTransmitter Maximum Voice DeviationTransmitter Maximum Voice DeviationThis test measures the transmitter’s maxi

Chapter 2 41Testing AMPS Base StationsTransmitter Maximum Voice DeviationChapter 2Testing AMPS Base Stations9. Press the RF Gen key to access the RF G

42 Chapter 2 Testing AMPS Base StationsReceiver Sensitivity (SINAD)Receiver Sensitivity (SINAD)This test measures the receiver’s ability to demodulate

Chapter 2 43Testing AMPS Base StationsReceiver Sensitivity (SINAD)Chapter 2Testing AMPS Base Stations6. Set the CW RF Path field to Bypass. This turns

44 Chapter 2 Testing AMPS Base StationsReceiver Sensitivity (SINAD)14. Set an initial RF generator level in the Amplitude field. This value depends on

Chapter 2 45Testing AMPS Base StationsReceiver Squelch ThresholdChapter 2Testing AMPS Base StationsReceiver Squelch ThresholdThis test determines the

46 Chapter 2 Testing AMPS Base StationsReceiver Squelch Threshold6. Set the CW RF Path field to Bypass. This turns off the IQ modulation used for CDMA

Chapter 2 47Testing AMPS Base StationsReceiver Squelch ThresholdChapter 2Testing AMPS Base Stations13.Set an initial RF generator level in the Amplitu

48 Chapter 2 Testing AMPS Base StationsReceiver Squelch ThresholdMain Menu

493 Utility ProceduresThis chapter contains procedures and instructions that will help you make the most efficient use of your Test Set. Chapter 3Util

5WARNING This product is a Safety Class I instrument (provided with a protective earthing ground incorporated in the power cord). The mains plug sha

50 Chapter 3 Utility ProceduresBeeperBeeperThe beeper notifies you when a message is displayed. Since a message may be removed from the screen before

Chapter 3 51Utility ProceduresMeasuring Insertion LossesChapter 3Utility ProceduresMeasuring Insertion LossesTo make accurate power and receiver measu

52 Chapter 3 Utility ProceduresMemory CardsMemory CardsThe slot on the front of the Test Set is used for memory cards. The slot is used for the follow

Chapter 3 53Utility ProceduresOscilloscopeChapter 3Utility ProceduresOscilloscopeThe built-in 50 kHz oscilloscope provides• multiple triggering format

54 Chapter 3 Utility ProceduresOscilloscopeSelecting the Oscilloscope’s Input1. Press Shift, then RF Anl (AF Anl) to select the AF ANALYZER screen.2.

Chapter 3 55Utility ProceduresOscilloscopeChapter 3Utility ProceduresTriggering the OscilloscopeYou can control following triggering features of the o

56 Chapter 3 Utility ProceduresOscilloscopeUsing the MarkerThe marker is used to help you make measurements with the oscilloscope. By repositioning th

Chapter 3 57Utility ProceduresOnline HelpChapter 3Utility ProceduresOnline HelpThe Test Set contains help screens which briefly identify the most comm

58 Chapter 3 Utility ProceduresPorts: HP-IB, Serial and ParallelPorts: HP-IB, Serial and ParallelThere are three types of data ports on the Test Set:

Chapter 3 59Utility ProceduresPorts: HP-IB, Serial and ParallelChapter 3Utility Procedures3. Change the settings for the port as desired.NOTE Do not t

6 The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the product from all voltage sources while it is bein

60 Chapter 3 Utility ProceduresPorts: HP-IB, Serial and ParallelParallel PortsThere are two parallel ports on the Test Set. Parallel Port 15 is the on

Chapter 3 61Utility ProceduresPrintingChapter 3Utility ProceduresPrintingYou can print from the Test Set via Parallel Port 15, Serial Port 9, or the H

62 Chapter 3 Utility ProceduresMeasuring Swept Return LossMeasuring Swept Return LossThis procedure measures the return loss (VSWR) of an antenna usin

Chapter 3 63Utility ProceduresMeasuring Swept Return LossChapter 3Utility ProceduresFigure 3-5 Entering Swept Return Loss Measurement InformationFigur

64 Chapter 3 Utility ProceduresMeasuring Swept Return LossThe plot in Figure 3-7 is for a cellular band antenna, swept from 800 MHz to 999 MHz. The pl

Chapter 3 65Utility ProceduresTracking GeneratorChapter 3Utility ProceduresTracking GeneratorThe tracking generator is typically used for measuring re

66 Chapter 3 Utility ProceduresUser KeysUser KeysUser keys instantly access instrument settings without using the knob. You can use user keys to move

Chapter 3 67Utility ProceduresUser KeysChapter 3Utility ProceduresAssigning a Global User Key1. Move the cursor to the field you want to assign to a u

68 Chapter 3 Utility ProceduresUsing Channel Numbers to Set Analyzer and Generator FrequenciesUsing Channel Numbers to Set Analyzer and Generator Freq

Chapter 3 69Utility ProceduresUsing Channel Numbers to Set Analyzer and Generator FrequenciesChapter 3Utility ProceduresRF Chan and Tune Freq FieldsNO

7Product MarkingsCE - the CE mark is a registered trademark of the European Community. A CE mark accompanied by a year indicated the year the design

70 Chapter 3 Utility ProceduresVoltmeterVoltmeterA voltmeter is available in the Test Set, and can measure low level dc or ac voltages. The input to t

IndexIndex 71IndexAAC levelmeasuring, 70AC voltsmeasuring, 70AF Anl Inputfield, 54AF connections, 32AMPS Base Stationsmanual testing, 29AMPS testing,

72 Index IndexDData Deviation test, 38DC levelmeasuring, 70DC voltsmeasuring, 70Displaying an FM Carrier, 26Duplex Out field, 33DUPLEX OUT port, 32los

IndexIndex 73IndexGgenerating an FM signal, 24Getting Help, 19Getting Started, 17global user keys, 66assigning, 67releasing, 67Hhelphow to get, 19onl

74 Index IndexKk1, k2, k3, k4, k5local user keys, 66k1’, k2’, k3’global user keys, 66knobusing, 24Korea HP Direct, 19Llocal user keys, 66assigning, 66

IndexIndex 75IndexOoscilloscope, 53features, 53filters and inputs, 53marker, 56selecting the filters, 54selecting the input, 54triggering, 55Pparalle

76 Index IndexSsales offices, 19SAT Deviation test, 36SAT Frequency test, 36screensselecting, 24serial port, 58configuring, 58configuring for HP-IB co

IndexIndex 77IndexVVoice Deviation (max) test, 40voltmeter, 70connector, 70volumecontrolling beeper, 50Wweb siteTMO, 19what to do next, 27What’s Incl

8 WarrantyThis Hewlett-Packard instrument product is warranted against defects in material and workmanship for a period of one year from date of shi

9ASSISTANCEMaintenance AgreementsProduct maintenance agreements and other customer assistance agreements are available for Hewlett-Packard products.