Agilent Technologies 8590 L-Series Guia do Utilizador Página 341
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harmonic distortion
Undesired frequency components added to signals as a result of nonlinear behavior of the
device (for example, a mixer or an amplifier) through which signals pass. These unwanted
components are harmonically related to the original signal.
harmonic mixing
The utilization of local oscillator harmonics generated in a mixer to extend the tuning
range of a spectrum analyzer beyond the range achievable using just the local oscillator
fundamental. The mathematical algorithm is:
I;iN
=
FLO
+
FIF
HP-IB
The abbreviation for Hewlett-Packard Interface Bus. It is a Hewlett-Packard proprietary
parallel interface that allows you to “daisy-chain” more than one device to a port on a
computer or instrument..
IF
The abbreviation for intermediate frequency. An IF frequency is a frequency to which
a signal wave is shifted locally as an intermediate step in transmission or reception. On
spectrum analyzers, this is the frequency resulting from conversion before demodulation.
IF gain/IF attenuation
A control that adjusts the vertical position of displayed signals without affecting the signal
level at the input mixer. When changed, the value of the reference level is changed
accordingly.
IF feedthrough
A condition that results in a rise in amplitude of the baseline trace. This occurs as a result
of an input signal at the intermediate frequency (IF) passing through the input mixer. This a
usually only a potential problem on nonpreselected spectrum analyzers. The entire baseline
trace rises because the signal is always at the IF. (Mixing with the local oscillator is not
required.)
image response
A displayed signal that is actually twice the intermediate frequency (IF) away from the
frequency indicated by the spectrum analyzer. For each harmonic of the local oscillator
there is an image pair. One is below the local oscillator frequency by the IF and the other is
above. Images usually only appear on nonpreselected spectrum analyzers.
impedance
The apparent opposition in an electrical path to the flow of current. The specified nominal
input impedance of a spectrum analyzer is stated for the input connector. The most
common impedance for RF and microwave spectrum analyzers is 500. However,
750
is
typically used for cable television (CATV) work.
impulse bandwidth
The width of a rectangular filter that has the same peak voltage output as the actual
analyzer filter. The impulse bandwidth of the synchronously-tuned, Gaussian-like resolution
filters in the Hewlett-Packard spectrum analyzers is approximately 1.5 times the 3
dB
bandwidth.
incidental FM
Undesired frequency modulation on the output of a device (for example a signal source or
an amplifier) caused by or, incidental to, some other form of modulation, such as amplitude
modulation.
Glossary-7
- Printed in USA July 1998 2
- Certification 4
- Warranty 4
- Assistance 4
- Safety Symbols 5
- General Safety Considerations 6
- Regulatory Information 7
- How to Order Manuals 8
- Contents 9
- Contents-2 10
- Contents-3 11
- Contents-6 14
- Contents-7 15
- Contents-8 16
- Contents-9 17
- Contents-l 0 18
- Preparing For Use 19
- 1-2 Preparing For Use 20
- Initial Inspection 21
- 1-4 Preparing For Use 22
- Checking the Fuse 23
- Power Cable 24
- 1-8 Preparing For Use 26
- Preparing For Use 1-9 27
- Electrostatic Discharge 29
- Reducing Damage Caused by ESD 30
- Getting Started 31
- SPECTRUM ANALYZER 32
- 2-2 Getting Started 32
- Getting Started 2-3 33
- 2-4 Getting Started 34
- Rear-Panel Features 35
- 2-6 Getting Started 36
- Getting Started 2-7 37
- Data Controls 38
- F I NE FOCUS ADJUSTMENT 39
- Getting Started 2-9 39
- Screen Annotation 40
- Menu and Softkey Overview 42
- Making a Measurement 43
- 2-14 Getting Started 44
- Measurement Summary 45
- Warm-Up Time 46
- (Option 010 or 011 only) 47
- 2-18 Getting Started 48
- Getting Started 50
- Getting Started 2-21 51
- Analyzer Battery Information 52
- Making Basic Measurements 53
- Bandwidth Function 54
- Making Basic Measurements 3-3 55
- Resolution Bandwidth Function 56
- SEARCH) 57
- 3-6 Making Basic Measurements 58
- Function 59
- 3-8 Making Basic Measurements 60
- 2. Press 61
- Making Basic Measurements 3-9 61
- I.121 GHz 65
- and AUTO ALL 68
- Distortion from the Analyzer 72
- SEARCH] 75
- NEXT PEAK . This places a 75
- Making Basic Measurements 76
- SCALE LOG LIN to underline 77
- Making Measurements 80
- 4-2 Making Measurements 81
- Making Measurements 4-3 82
- Menu, and MARKER 84
- Making Measurements 4-5 84
- 4-6 Making Measurements 85
- 4-8 Making Measurements 87
- && 88
- Making Measurements 4-9 88
- 4-10 Making Measurements 89
- 4-12 Making Measurements 91
- Making Measurements 4-13 92
- 4-14 Making Measurements 93
- TV TRIG sets 94
- 4-16 Making Measurements 95
- Reflection Calibration 96
- Measuring the Return Loss 97
- (Option 105 only) 98
- 4. Press 99
- 4-20 Making Measurements 99
- Coupling 100
- 4-22 Making Measurements 101
- Making Measurements 4-23 102
- 4-24 Making Measurements 103
- Figure 4-20 104
- (with Two Signals Present) 104
- 4-26 Making Measurements 105
- Making Measurements 4-27 106
- Making Measurements 4-29 108
- Making Measurements 109
- 0 000 ‘J 110
- 4-32 Making Measurements 111
- Gate Utility 112
- 4-34 Making Measurements 113
- Making Measurements 4-35 114
- Making Measurements 4-37 116
- Making Measurements 4-39 118
- 4-40 Making Measurements 119
- Making Measurements 4-41 120
- 4-42 Making Measurements 121
- Measurements 122
- 4-44 Making Measurements 123
- Making Measurements 4-45 124
- Menu , then press 125
- Making Measurements 4-47 126
- Channel Power Measurement 127
- Making Measurements 4-49 128
- Using Analyzer Features 129
- Use the Marker 130
- ‘I);tble 130
- Use the Peak 132
- To Save a State 134
- To Recall a State 134
- To Save a Trace 135
- To Recall a Trace 135
- 5-6 Using Analyzer Features 136
- register 138
- Using Analyzer Features 138
- To Enter a Prefix 140
- To Save a Display Image 142
- To Recall a Display Image 142
- Using Analyzer Features 5-15 143
- To Save a Program 144
- To Recall a Program 144
- LOAD FILE 145
- Using Analyzer Features 5-17 145
- Using Limit-Line Functions 146
- Limit-Line Functions 150
- Mid/Delt 151
- to editor 151
- Up/Low . With the upper 151
- Using Analyzer Features 5-23 151
- 5-24 Using Analyzer Features 152
- Using Analyzer Features 5-25 153
- Figure 5-7. Segment Types 155
- 5-28 Using Analyzer Features 156
- Using Analyzer Features 5-29 157
- 5-32 Using Analyzer Features 160
- FREQUENCY), START FREQ 161
- Using Analyzer Features 5-35 163
- Using Analyzer Features 5-39 167
- External Keyboard 168
- Using Analyzer Features 5-41 169
- Using the External Keyboard 170
- Printing and Plotting 172
- PRINTER 173
- PLOTS 174
- Printing and Plotting 175
- CONVERTER 176
- SPEr,TRIJM 176
- AIIAImYZER 176
- &POSITION SWITCH 176
- OFF (see 177
- Equipment 178
- SO that HPIB is underlined) 179
- COMPUTER/MODEM 186
- COPY DEV PRNT PLT 188
- 6-20 Printing and Plotting 191
- Key Descriptions 194
- Service Functions 195
- Analyzer Functions 197
- [FREQUENCY) 198
- Option 103 only 199
- 7-6 Key Descriptions 199
- Key Descriptions 7-7 200
- (AMPLITUDE) 201
- the HP 202
- Key Descriptions 7-9 202
- CFREQUENCY] 206
- 7-14 Key Descriptions 207
- Key Descriptions 7-15 208
- 7-16 Key Descriptions 209
- Key Descriptions 7-17 210
- PreVhiiz 211
- ‘dH..‘SVei’i’S.i 213
- 7-22 Key Descriptions 215
- Change Title or 216
- Change Prefix 216
- Key Descriptions 7-23 216
- 7-24 Key Descriptions 217
- (CONFIG) 220
- Key Descriptions 7-29 222
- 7-30 Key Descriptions 223
- [AMPLITUDE) 224
- 7-32 Key Descriptions 225
- Option 102 or 103 only 226
- Key Descriptions 7-33 226
- Key Descriptions 7-35 228
- MX80 SML LRG until SML 234
- Key Descriptions 7-41 234
- Option 713 237
- NORM OFF 237
- 7-44 Key Descriptions 237
- 7-46 Key Descriptions 239
- 7-48 Key Descriptions 241
- Key Descriptions 7-49 242
- 7-50 Key Descriptions 243
- Key Descriptions 7-51 244
- SEARCH and 246
- 7-54 Key Descriptions 247
- (MEAS/USERI) 248
- 7-56 Key Descriptions 249
- MK TRACK 250
- Key Descriptions 7-57 250
- Options 251
- Key Descriptions 7-59 252
- Key Descriptions 253
- Key Descriptions 7-61 254
- Key Descriptions 7-65 258
- 7-66 Key Descriptions 259
- Limit-line testing 260
- Reference level position 260
- Harmonic lock 261
- Key Descriptions 7-69 262
- Range for the HP 264
- Key Descriptions 7-71 264
- Key Descriptions 7-73 266
- Key Descriptions 7-75 268
- Key Descriptions 7-77 270
- time value of zero is the 271
- [SGLSWP_) 272
- (FREQUENCY] 274
- Option 105 only 275
- 7-82 Key Descriptions 275
- 7-84 Key Descriptions 277
- TIMEBASE 283
- AUTO MAN 283
- 7-90 Key Descriptions 283
- Key Descriptions 7-91 284
- YTF SPAN 285
- 7-92 Key Descriptions 285
- Key Descriptions 7-93 286
- Key Menus 287
- [AMPLITUDE] 288
- Key Menus 8-3 289
- Key Menus 8-5 291
- +-c:>= 292
- 8-8 Key Menus 294
- (RECALL] 295
- 8-12 Key Menus 298
- IS selected 299
- 8-14 Key Menus 300
- If You Have A Problem 301
- Check the Basics 302
- Read the Warranty 304
- Service Options 304
- How to Call Hewlett-Packard 304
- Service 306
- Original Packaging 306
- Other Packaging 306
- Error Messages 307
- (FREQUENCY) 308
- ANNOTATN ON OFF to clear, (U) 309
- ANALOG+ ON OFF. (U) 310
- 9-10 If You Have A Problem 310
- 9-14 If You Have A Problem 314
- DETECTOR PK SP NG . (U) 315
- 9-16 If You Have A Problem 316
- Accessories 317
- Measurement Personalities 318
- (Option 016) 322
- PDC/PHS/NADC/CDMA 327
- GSM/DCS1800 327
- AC Power Source 330
- AC Probe 330
- Burst Carrier Trigger 330
- Close Field Probes 331
- HP-IB Cable 331
- Memory Cards 331
- Parallel Interface Cable 331
- Service Requests 333
- Glossary 335
- Glossary-2 336
- Glossary-4 338
- Glossary-5 339
- Glossary-6 340
- Glossary-7 341
- Glossary-8 342
- Glossary-9 343
- Glossary-l 344
- Glossary-l 1 345
- Glossary-l 2 346
- Glossary-13 347
- Glossary-14 348
- Glossary-l 5 349
- Glossary-l 6 350
- Glossary-l 7 351
- FM span, 7-44 357
- Index-1 0 362
- Index-11 363
- Index-12 364
- Index-13 365
- Index-14 366
- Index-l 5 367
- Index-l 6 368
- Index-l 7 369
- Index-18 370
- YTF SPAN, 7-3, 7-92 371
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