Exfo PSO-200 Optical Modulation Analyzer Uživatelský manuál stáhnout pdf (Strana 8)

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User Guide 1
Optical Modulation Analyzer 1
Contents 3
Optical Modulation Analyzer v 5
Conformity 7
1 Introducing the PSO-200 9
IMPORTANT 11
2 Safety Information 13
Electrical Safety Information 14
Optical Modulation Analyzer 7 15
8 PSO-200 16
Equipment Ratings 16
 Operation 16
 Storage 16
3 Getting Started with Your 17
Analyzer Application 20
4 Setting Up the Optical 21
Modulation Analyzer 21
14 PSO-200 22
Configuring the Input Signal 22
Setting File Autonaming 26
Identifying Acquisitions 28
Setting Analysis Parameters 30
26 PSO-200 34
28 PSO-200 36
Locking the Remote Unit 39
5 Performing Acquisitions 41
34 PSO-200 42
Saving Acquisitions to a File 43
36 PSO-200 44
6 Customizing the Graph and 47
Data Layout 47
40 PSO-200 48
Constellation Chart 49
42 PSO-200 50
Eye Diagrams 51
I/Q Eye Diagrams 52
Phase Eye Diagram 52
Magnitude Eye Diagram 53
Intensity Eye Diagram 53
46 PSO-200 54
NRZ-QPSK data 54
Pattern Diagrams 55
7 Viewing and Analyzing 57
50 PSO-200 58
Zooming and Moving Graphs 60
54 PSO-200 62
 Constellation charts 62
(Persistence) 63
Diagrams 63
Using the Measurement Tables 64
Using Graph Markers 66
Horizontal histogram 69
Histogram values 69
Vertical histogram 69
62 PSO-200 70
Sample QPSK (NRZ) 70
Using Pattern Masks 72
66 PSO-200 74
Constellation Mask (QPSK) 75
68 PSO-200 76
Intensity Mask (NRZ 40G ITU) 76
EVM Mask 77
(Infinite, 10 ps) 78
(1 burst, 5 ps) 79
(infinite, 5 ps) 79
Algorithms 80
(after 20 bursts) 82
Applying Data Filtering 84
(Butterworth) 85
Basic Gearbox Setup Details 88
3. Select the Gearbox tab 89
4. Select the Gearbox layout 89
5. Select the pattern length 89
82 PSO-200 90
Exporting Symbol Patterns 91
84 PSO-200 92
To import a symbol pattern: 93
2. Select the General tab 93
86 PSO-200 94
Gearbox Streaming Types 96
Dual (X-Y) streams 98
92 PSO-200 100
 Definition 100
 Symbol coordinates 100
Definition Section 101
Bit Symbol Mapping Section 102
96 PSO-200 104
Symbol Coordinates Section 106
100 PSO-200 108
Byte count 109
102 PSO-200 110
Exporting Gearbox Setups 112
106 PSO-200 114
9 Post-Processing and 117
Reanalyzing Data 117
110 PSO-200 118
112 PSO-200 120
Exporting Data 121
Clipboard 122
Reverting to Original File 124
10 Maintenance 125
118 PSO-200 126
Cleaning EUI Connectors 126
11 Troubleshooting 129
Solving Phase Tracking Issues 130
Viewing Online Help 130
Viewing System Information 132
Transportation 133
12 Warranty 135
Exclusions 136
Certification 136
Service and Repairs 137
130 PSO-200 138
A Technical Specifications 139
B SCPI Commands Reference 141
SCPI Commands Reference 142
:MMEMory:LOAD:TRACe 146
:MMEMory:STORe:TRACe 147
:MMEMory:STORe:TRACe:DATA 148
:SENSe:DDEMod:AVERage:STATe 149
:SENSe:DDEMod:AVERage:STATe? 150
:SENSe:DDEMod:AVERage:COUNt 151
:SENSe:DDEMod:AVERage:COUNt? 152
146 PSO-200 154
:SENSe:DDEMod:MODulation 156
:SENSe:DDEMod:MODulation? 159
:SENSe:DDEMod:SRATe 162
:SENSe:DDEMod:SRATe? 163
:SENSe:DDEMod:BDURation 164
:SENSe:DDEMod:BDURation:UNIT? 166
:SENSe:RECording:LENGth 167
160 PSO-200 168
:SENSe:RECording:LENGth:UNIT? 169
:INITiate 170
:READ:DDEMod? 172
:READ:DDEMod:DATA[n]? 173
:READ:DDEMod:AVERage? 174
168 PSO-200 176
 Polarization: 176
 Name: 176
170 PSO-200 178
172 PSO-200 180
174 PSO-200 182
176 PSO-200 184
178 PSO-200 186
180 PSO-200 188
182 PSO-200 190
 Error Index: 190
 Vector Name: 190
184 PSO-200 192
:SENSe:DDEMod:MASK:NAMe 194
:SENSe:DDEMod:MASK:NAMe? 195
:SENSe:DDEMod:MASK:STATe 196
:SENSe:DDEMod:MASK:STATe? 197
:SENSe:DDEMod:FILTer:TYPe 198
:SENSe:DDEMod:FILTer:TYPe? 199
192 PSO-200 200
:SENSe:DDEMod:FILTer:ORDer 202
:SENSe:DDEMod:FILTer:ORDer? 203
196 PSO-200 204
198 PSO-200 206
200 PSO-200 208
:MMEMory:LOAD:GEARbox:SETup 210
:MMEMory:STORe:GEARbox:SETup 211
:MMEMory:LOAD:GEARbox:STReam 212
:MMEMory:STORe:GEARbox:STReam 215
210 PSO-200 218
212 PSO-200 220
214 PSO-200 222
:MMEMory:LOAD:PATTern 223
:MMEMory:STORe:PATTern 224
:SENSe:DDEMod:LEARnpattern 225
:SENSe:DDEMod:LEARnpattern? 226
:SENSe:ROSCillator:SOURce: 227
PHASecalibration 227
PHASecalibration? 228
222 PSO-200 230
:SENSe:DDEMod:SIGNal:OFFSet 231
:SENSe:DDEMod:SIGNal:OFFSet? 232
:SENSe:DDEMod:SIGNal:WIDTh 233
:SENSe:DDEMod:SIGNal:WIDTh? 234
:SENSe:DDEMod:AVERage:RES 235
:SENSe:DDEMod:AVERage:RES? 236
:SENSe:DDEMod:CDIS:ENABle 237
:SENSe:DDEMod:CDIS:ENABle? 238
:SENSe:DDEMod:CDIS:VAL 239
:SENSe:DDEMod:CDIS:VAL? 240
:SENSe:DDEMod:SIGNal:ENCoding 241
234 PSO-200 242
:SENSe:DDEMod:DEMX 243
:SENSe:DDEMod:DEMX? 244
:SENSe:DDEMod:IFAL 245
:SENSe:DDEMod:IFAL? 246
C Coherent Detection and 247
Sampling Methods 247
Real-Time Sampling 249
Equivalent-Time Sampling 249
242 PSO-200 250
Signal Processing Algorithms 252
Polarization Demultiplexing 253
Time-Base Reconstruction 253
246 PSO-200 254
D Modulation Schemes 255
Modulation Schemes 257
QPSK 2 NRZ: NRZ: 257
16-QAM 4 258
E Measurement Definitions 259
252 PSO-200 260
Error Vector Magnitude 261
Magnitude Error 261
Phase Error 262
IQ Gain Imbalance 262
In-Phase Error 262
Quadrature-Phase Error 263
IQ Offset 263
Quadrature Error 264
Signal-To-Noise Ratio 265
XY Imbalance 265
Power Level 265
Measurements for Eye Diagrams 266
Contrast Ratio 267
Crossing 267
Duty Cycle 268
Duty Cycle Distortion 268
Extinction Ratio 269
Eye Amplitude 269
Eye Height 269
Eye-Opening Factor 269
Pulse Width 270
Eye Width 270
Rise Time and Fall Time 271
Timing Jitter 272
₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 283
MARKING REQUIREMENTS 284

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Exfo PSO-200 Optical Modulation Analyzer Uživatelský manuál Strana 8

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