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Table Of Contents - HP 8920A User Manual

Rf communications test set

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Safety Earth Ground4

Safety Symbols4

Safety Considerations For This Instrument5

Hewett-Packard Warranty Statement For Commercial Products7

Table Of Contents15

Before Connecting A Radio40

Connecting A Radio To The Test Set40

Accessing the Test Set's Screens41

List Of Screens41

Accessing Screens42

Changing a Field's Setting43

Different Types Of Fields43

Unit-Of-Measure Field44

Underlined Immediate-Action Field44

To Change An Underlined Entry44

To Change A Unit-Of-Measure44

One-Of-Many Field45

Numeric-Entry Field45

To Make A One-Of-Many Choice45

To Change A Value45

How Do I Verify That The Test Set Is Operating Properly?46

Instrument Quick Check46

Instrument Functional Diagram47

Configuring Your Test Set49

General Operating Information50

To Set Screen Intensity50

To Set Rf Voltage Interpretation (50 /Emf)50

To Set The Date And Time50

To Change The Beeper Volume51

To Verify Or Change The Low-Battery Setting51

Operating Overview53

Interaction Between Screens54

Example Of How Global Fields Work54

Priority Rx Test And Tx Test Fields55

Example Of How Priority Fields Work56

Displaying Measurements57

Where To Access Measurements57

Displaying Rf Measurements58

Transmitter Frequency58

Transmitter Frequency Error58

Transmitter Power58

Displaying Af Measurements59

Fm Deviation, Am Depth, Ac Level59

Af Measurements Selected By Af Analyzer Input Setting59

Sinad, Distortion, Snr, Af Frequency, Dc Level, Dc Current60

To Change the Measurement's Unit-Of-Measure61

To Use The Analog Meter Format62

To Make Beat Frequency Measurements62

Entering And Changing Numbers63

Decimal Values63

To Enter And Change The Unit-Of-Measure64

Hexadecimal Values64

Entering The Unit-Of-Measure For Settings64

Changing The Unit-Of-Measure For Settings64

To Change The Increment Or Decrement Setting65

Using The Pre-Defined Increment/Decrement Keys65

Specifying An Increment Value65

Example Of Setting An Increment Value65

Printing A Screen66

To Print a Screen's Contents66

Using Measurement Limit Indicators67

To Set A Hi And/Or Lo Limit67

To Reset Or Remove Limits68

To Reset A Limit That Has Been Exceeded68

To Remove A Limit68

Example Of Setting Hi And Lo Limits68

Averaging Measurements69

To Use Measurement Averaging69

Example Of Using Measurement Averaging69

Setting A Measurement Reference70

To Use The Present Value As A Reference70

To Set A Specific Reference70

Using Memory Cards71

Memory Card Part Numbers71

Inserting And Removing Memory Cards72

Inserting A Memory Card72

Setting The Write-Protect Switch73

Setting The Sram Write-Protect Switch73

The Memory Card Battery74

Replacing The Battery74

Replacing the Memory Card's Battery74

Memory Card Initialization75

Saving And Recalling Instrument Setups76

To Save An Instrument Setup76

To Recall An Instrument Setup76

Example Of Saving And Recalling An Instrument Setup77

To Remove (Clear) An Individual Save Register77

To Clear All Save Registers78

Register Names78

Poweron Settings78

Base Settings79

Memory Considerations79

Instrument Hardware Changes79

Using User Keys80

To Use The Pre-Assigned Local User Keys81

An Example Of Pre-Assigned Local User Keys81

To Assign Local User Keys82

To Release Local User Keys82

Example Of Assigning A Local User Key82

To Assign Global User Keys83

To Release Global User Keys83

Example Of Assigning A Global User Key83

Setting An Rf Generator/Analyzer Offset84

To Set An Rf Offset84

Example Of Setting An Rf Offset84

Using Remote Control85

Using Hp-Ib Control85

Running Ibasic Programs From Memory Cards85

Using An Ascii Terminal86

To Configure For Serial Port Operation86

Equivalent Front-Panel Control Characters86

Adjacent Channel Power Screen89

How The Test Set Measures Adjacent Channel Power (Acp)90

Field Descriptions91

The Adjacent Channel Power Screen91

Operating Considerations91

Relationship Between Tune Freq, Ch Offset, And Channel Bw Fields93

Lower And Upper Acp [Ratio:level]95

Tx Freq Error/Tx Frequency97

Af Analyzer Screen99

Block Diagram100

Af Analyzer Functional Block Diagram100

Detector Types105

Filter 1 And Filter 2106

Fm Deviation106

Snr110

Snr Operation110

Tx Freq Error/ Tx Frequency111

Call Processing Subsystem113

Description Of The Call Processing Subsystem114

Operational Overview115

Call Processing State Diagram116

Accessing the Call Processing Subsystem's Screens117

Call Processing Subsystem's Screens117

Using The Call Processing Subsystem118

Connecting A Mobile Station118

Connecting A Mobile Station To The Test Set119

Mobile Station Audio Out Impedance120

600 Ohm Impedance120

Generalized Procedures Using The Call Processing Subsystem121

The Call Control Screen122

Called Number124

Cntl Channel126

Call Control Screen With Decoding Error Message Display128

Amps Call Control Screen With Meas Selected129

Namps Call Control Screen With Meas Selected130

Dsat/Dst (Hex)131

Sat136

Scm136

Sid136

Tx Freq Error137

Using The Call Control Screen To Test Call Processing Functions140

Conditioning The Test Set For Call Processing141

Configure The Test Set142

Turn on the Test Set's Control Channel143

Register A Mobile Station144

Page A Mobile Station145

Paging A Mobile Station That Has Not Registered With The Test Set146

Handoff A Mobile Station To A New Voice Channel147

Release A Mobile Station147

Change The Transmit Power Level Of A Mobile Station148

Originate A Call From A Mobile Station149

Send An Alert Order To A Mobile Station150

Using The Call Control Screen To Test Amps Authentication151

Condition The Test Set For Call Processing152

Initialize Call Processing With Authentication154

Initializing Authentication Without Registration155

Page A Mobile Station With Authentication156

Paging A Mobile Station That Has Registered With The Test Set156

Originate A Call With Authentication157

Perform An Ssd Update158

Performing An Ssd Update On The Control Channel158

Performing An Ssd Update On The Voice Channel159

Perform A Unique Challenge160

Performing A Unique Challenge On The Control Channel160

Performing A Unique Challenge On The Voice Channel161

Authentication Screen162

Esn163

Call Data Screen165

Rvcordcon - Reverse Voice Channel Order Confirmation Message166

Nrvc Ord - Narrow Order Or Order Confirmation Message166

Display Word167

Call Data Screen Message Field Descriptions170

Reccw A Message Fields170

Reccw B Message Fields172

Reccw C Message Fields174

Reccw D Message Fields175

Reccw E Message Fields176

Rvcordcon Message Fields177

Bschalord Message Fields178

Authword Message Fields179

Uniqchcon Message Fields180

Rvcord Message Fields181

Rvcbschal Message Fields182

Nrvc Ord Message Fields183

Using The Call Data Screen186

To View The Decoded Reverse Channel Words From A Mobile Station Page187

To View The Decoded Reverse Channel Words From Mobile Station Handoff189

To View The Decoded Reverse Channel Words From Mobile Station Release191

To View The Reverse Channel Words From A Mobile Station Origination193

Call Bit Screen194

Message Contents That Can Be Modified Using The Call Bit Screen196

Fvc O Mes - Fvc Mobile Station Control Order Message196

Call Bit Screen Message Field Descriptions201

Spc Word1 Message Fields201

Spc Word2 Message Fields202

Dcc202

Access Message Fields204

Reg Inc Message Fields206

Reg Id Message Fields208

C-Filmess Message Fields210

Ms Word1 Message Fields212

Msmessord Message Fields213

Ms Intvch Message Fields214

Fvc O Mes Message Fields215

Fvc V Mes Message Fields217

Randchala Message Fields219

Randchalb Message Fields220

Rand Ssd1 Message Fields221

Rand Ssd2 Message Fields222

Rand Ssd3 Message Fields223

Bschalcon Message Fields224

Uniqchord Message Fields225

Fvc Ssd1 Message Fields226

Fvc Ssd2 Message Fields227

Fvc Ssd3 Message Fields228

Fvcbscon Message Fields229

Fvcuniqch Message Fields230

Ext Prot Message Fields231

Nch Asn Message Fields232

Nms Fvc Message Fields233

Wnho Mess Message Fields235

Nho Mes Message Fields236

Using The Call Bit Screen239

Selecting The Message Content Generation Method239

System Operation When Data Spec Field Set To Std240

System Operation When Data Spec Field Set To Bits241

Changing The Content Of A Message Field242

Typical Example243

Analog Meas Screen244

Using The Analog Meas Screen247

To Make An Rf Sensitivity Measurement248

To Make An Fm Hum And Noise Measurement249

Call Configure Screen250

Configure Screen253

Base Freq (User Defined)255

Rf Gen Volts264

Rf Level Offset265

Signaling Decoder Screen269

Field Descriptions For Decoder Modes270

The Decoder's Signal Source270

Decoder Frequency Measurements270

Amps-Tacs, Namps-Ntacs Decoder271

Decoder Mode Differences271

The Namps-Ntacs Voice Channel Decoder272

Recc Data (Namps-Ntacs: Recc)274

Trigger Pattern (Bin)275

Using The Amps/Tacs, Namps/Ntacs Decoder276

Interaction With The Encoder276

Decoding The Reverse Control Channel (Recc) Data276

Decoding Amps-Tacs Reverse Voice Channel (Rvc) Data277

Decoding Namps-Ntacs Reverse Voice Channel (Rvc) Data277

Interpreting Decoded Data278

Namps-Ntacs Reverse Voice Channel Measurements279

Continuous Digital Controlled Squelch System Decoder280

The Cdcss Sequence Decoder Screen280

Using The Cdcss Decoder284

Af Analyzer Settings284

Digital Paging Decoder285

The Digital Paging Decoder Screen285

Dual-Tone Multi-Frequency (Dtmf) Decoder289

The Dtmf Decoder Screen289

Using The Dtmf Decoder294

Measurement Limits294

Edacs Decoder295

The Edacs Trunked Radio Decoder Screen295

Using The Edacs Decoder298

Edacs Transmitter Testing298

Transmitter Test Procedure298

Preset The Test Set298

Define The Control Channel Settings299

Prepare The Decoder For Transmitter Measurements299

Make Basic Transmitter Measurements300

Making Other Transmitter Measurements300

Function Generator Decoder301

The Function Generator Decoder Screen301

Using The Function Generator Decoder304

Decoding Considerations304

The Ltr Trunked Radio Decoder Screen305

Using The Ltr Decoder309

Decoding Mobile Radio Signaling Data309

Decoding Repeater Signaling Data310

If No Decoded Data Is Displayed310

Mpt 1327 Decoder311

The Mpt 1327 Decoder Screen311

Manually Decoding Mpt 1327 Signals312

Decoder Triggering312

Triggering The Mpt 1327 Decoder313

Detecting And Querying Messages314

The Nmt Decoder Screen317

Using The Nmt Decoder/Encoder321

General Encoder Operation321

Testing A Bs Or Mtx321

Fields Used With Different Standards321

General Decoder Operation322

Manual Testing Of Nmt Radios323

Automated Nmt Radio Tests324

Required Test Set Settings324

Rf Generator Settings324

Rf Analyzer Settings324

Special Frame Suffixes325

Creating Nmt Tests326

Entering Tests into the Decoder's RAM327

Using Direct Command Entry328

Programming Using An External Computer329

Downloading Programs330

Downloading A Program Into Ibasic Controller Ram330

Copying Programs To Mass Storage330

Program Command Syntax331

End331

Valid Channel Assignments333

Tone Sequence Decoder335

The Tone Sequence Decoder Screen335

Duplex Test Screen339

Duplex Test Functional Block Diagram340

The Duplex Test Screen341

Signaling Encoder (Af Generator 2)353

Field Descriptions For Encoder Modes354

Amps-Tacs Namps-Ntacs Encoder355

Control And Voice Channel Identifiers355

Amps-Tacs/Namps-Ntacs Mode Forward Control Channel (Focc)355

Amps-Tacs Mode Forward Voice Channel (Fvc)356

Namps-Ntacs Mode Forward Voice Channel (Fvc)356

Busy/Idle (Focc)357

B/I Delay (Focc)357

Filler (Focc)359

Amps-Tacs/Namps-Ntacs Focc Message And Filler Data Format359

Message (Focc)361

Message (Fvc)362

Amps-Tacs Fvc Message Data Output Format362

Namps-Ntacs Fvc Message Data Output Format363

Message/Dst (Fvc)364

Sat Freq (Fvc)365

Sat Level (Fvc: Amps-Tacs)365

Send Filler (Focc)365

Send Dsat (Fvc)365

Using The Amps-Tacs, Namps-Ntacs Encoder367

Automated Test Software367

Encoder/Decoder Interaction367

Cdcss Encoder368

The Cdcss Encoder Mode Screen368

Using The Cdcss Encoder372

The Cdcss Data Stream372

Cdcss Data Stream Bit Assignments372

Digital Paging Encoder373

The Digital Paging Encoder Mode Screen373

Pager Alpha-Numeric Message376

Pager Numeric Message376

Dtmf Sequence Encoder378

The Dtmf Sequence Encoder Mode Screen378

Symbol Frequencies (Hz)380

Twist And Pre-Emphasis Interaction381

Examples Of Twist And Pre-Emphasis Interaction381

Edacs Encoder382

The Edacs Trunked Radio Encoder Mode Screen382

Signaling Dev386

Sub-Audible Dev387

Working Channel, Number387

Working Channel: Rx Frequency387

Using The Edacs Encoder388

Testing Edacs Mobiles389

Testing the Mobile's Receiver389

Testing the Mobile's Transmitter389

Mobile Receiver Test Procedure390

Connect The Mobile To The Test Set390

Get The Mobile Up On The Control Channel391

Make Receiver Measurements392

Function Generator Encoder393

The Function Generator Encoder Screen393

The Ltr Trunked Radio Encoder Mode Screen396

Using The Ltr Encoder400

How Message 1 And Message 2 Fields Are Used To Create Trunking Data400

Radio Test Examples401

To Test Your Receiver401

To Make A 12 Db Sinad Measurement402

To Test Your Transmitter402

Performing Channel Changes403

Mpt 1327 Encoder404

Address Qualifier404

The Mpt 1327 Trunked Radio Encoder Mode Screen404

Aloha Number405

Aloha Number Encoding For 4-Bit Aloha Numbers405

Control Channel406

Traffic Channel407

Undisplayed Controls407

Delay Parameter For Repeat Transmissions407

Delay Parameter To Actual Response Delay407

Forward Control Channel Message And Filler Buffers408

Sequence Of Events In Assembling A Signaling Message410

Encoder:mpt1327:Filler:update411

Encoder:mpt1327:Filler:clear N411

Forward Control Channel In Control Mode And Not Sending411

Encoder:mpt1327:Message:control:data N,String412

Encoder:send412

Encoder:stop412

Forward Control Channel In Control Mode And Sending413

Traffic Channel Message Generation414

Control And Traffic Channel Message Structures414

Forward Control Channel Message Structure415

Traffic Channel Message Structure415

Signaling Mode Transitions Table416

Using The Mpt 1327 Encoder417

Manually Testing Mpt 1327 Radios417

Using Automated Test Software417

System Identity418

Radio Unit Under Test418

Simulated Calling Unit419

Nordic Mobile Telephone (Nmt) Encoder420

The Nmt Encoder Screen420

Access Channel Number421

Access Channel Power421

Nmt Additional Information Bits422

Audio Frequency Generator 2 To Contains Two Fields422

Alarm Level Low423

Alarm Level High423

Calling Channel Number425

Calling Channel Power425

Dut426

Meas Field Strength427

Msn427

Sis Challenge428

Sis Response428

Tci429

Traffic Area - Alt429

Traffic Area - Main430

Traffic Channel (Alt) Number430

Traffic Channel (Alt) Power430

Traffic Channel (Main) Number431

Traffic Channel (Main) Power431

Tone Sequence Encoder432

The Tone Sequence Encoder Mode Screen432

Symbol Definition434

Symbol Sequence434

I/O Configure Screen437

Message Screen443

Oscilloscope Screen445

The Oscilloscope Screen And Menus446

Oscilloscope Main Menu Fields447

Oscilloscope Main Functions447

Oscilloscope Marker Menu Fields448

How The Oscilloscope Displays Measurements448

Marker Measurements449

Reading Measurement Results at the Oscilloscope's Markers449

Oscilloscope Trigger Menu Fields450

Oscilloscope Triggering450

Using The Oscilloscope452

Selecting the Oscilloscope's Input452

Oscilloscope Input Indicator452

Using The Scope To Field452

Print Configure Screen453

The Printer Configurations Screen454

Radio Interface Screen457

Radio Interface Functional Description458

Audio Source459

Audio Analyzer459

External Transmitter Key Relay459

Interrupt Capability459

The Radio Interface Screen460

Programmer' Guide461

Parallel Data In462

Using The Radio Interface (Manual Operation)463

Setting the Radio Interface's Logic Level463

Inputting Data465

Outputting Data466

Using Interrupts468

Using The Radio Interface (Remote Operation)469

Hp-Ib Command Summary469

Inputting Data Over Hp-Ib469

Outputting Data Over Hp-Ib470

Using Interrupts Over Hp-Ib470

Rf Analyzer Screen471

Rf Analyzer Functional Block Diagram472

The Rf Analyzer Screen473

Rf Generator Screen483

Rf Generator Functional Block Diagram484

The Rf Generator Screen485

Rx Test Screen493

The Rx Test Fields And Their Functions494

The Rx Test Screen495

Service Screen501

Counter Connection502

Ram Initialize503

Spectrum Analyzer Screen505

The Spectrum Analyzer Screen And Menus506

Spectrum Analyzer Main Menu Fields507

Spectrum Analyzer Main Functions507

Rf Generator Menu Fields, Fixed Operation509

Rf Generator Menu Fields, Tracking Operation511

Using The Spectrum Analyzer With The Tracking Generator511

Spectrum Analyzer Marker Menu Fields513

Reading Measurement Results at the Spectrum Analyzer's Markers514

Spectrum Analyzer Auxiliary Menu Fields515

Spectrum Analyzer Auxiliary Functions515

Using The Spectrum Analyzer518

Automatic Calibration518

Setting Resolution Bandwidth And Sweep Rate518

Relationship Between Span, Resolution Bandwidth, And Sweep Rate518

Tests Screen519

Description Of The Tests Subsystem520

Tests Subsystem Screens521

Tests (Main Menu)522

The Tests (Main Menu) Screen522

Ibasic Ibasic Cntrl523

Proc Save/Delete Procedure524

Tests (Channel Information)525

The Tests (Channel Information) Screen525

Tests (Test Parameters)527

The Tests (Test Parameters) Screen527

Tests (Order Of Tests)528

The Tests (Order Of Tests) Screen528

Tests (Pass/Fail Limits)530

The Tests (Pass/Fail Limits) Screen530

Tests (Save/Delete Procedure)532

The Tests (Save/Delete Procedure) Screen532

Code Location533

Enter Procedure Filename533

Select Procedure Location534

Tests (Execution Conditions)535

The Tests (Execution Conditions) Screen535

Autostart Test Procedure On Power-Up536

If Unit-Under-Test Fails536

Tests (External Devices)538

The Tests (External Devices) Screen538

External Disk Specification539

Tests (Printer Setup)541

The Tests (Printer Setup) Screen541

Tests (Ibasic Controller)544

The Tests (Ibasic Controller) Screen544

Rom Programs546

Using The Signal Strength Meter546

The Signal Strength Meter Screen546

Securing A Test Procedure547

Clearing Ram547

Tx Test Screen549

Tx Test Functional Block Diagram550

The Tx Test Screen551

Connector, Key, And Knob Descriptions561

Connector Descriptions562

Audio Monitor Output564

Crt Video Output565

Chassis Ground565

Dc Current Measurement565

Digital Test Connections566

Control I/O, Cw Rf Out, Det Out, Iq Rf In, 114.3 Mhz Out566

Ext Scope Trigger Input567

Memory Card Slot568

To Use The Microphone569

Mic/Acc Operating Considerations569

Mic In Specifications569

Mic/Acc Connections570

Modulation Input571

Parallel Port571

Radio Interface573

Pin Numbers For The Radio Interface Connector573

Serial Port Connections578

10 Mhz Ref Input579

10 Mhz Ref Output579

Data Functions Keys581

Instrument State Keys582

Screen Control Keys582

Miscellaneous Keys And Buttons583

Knob Descriptions584

Modifications, Accessories, Manuals, Support585

Modifications586

Hardware Upgrades And Modifications586

External Monitor591

Manuals (English And Non-English)592

Radio Test Software594

Hp 11807A Software For The Hp 8920A594

Power Cables595

Hp Support For Your Instrument602

Customer Training602

Error Messages605

General Information About Error Messages606

Positive Numbered Error Messages607

Negative Numbered Error Messages608

Ibasic Error Messages609

Hp-Ib Error Messages610

Text Only Error Messages611

The Message Display612

Warbles And Beeps612

Non-Recoverable Firmware Error613

Required Hardware For Additional Test Set Functions615

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