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Real-Time I/Q Baseband Generator User’s and Programming Guide 1-5
ESG Family Signal Generators Overview of Modulation Formats
Options UN8 and 202 Custom
Custom
The Real-Time I/Q Baseband Generator enables you to shape the characteristics of a
digitally modulated signal. You can use it to create time-domain multiple access signals.
You can choose from a variety of modulation types, including QPSK, offset QPSK, BPSK,
π/4DQPSK, 4-, 16-, 32-, 64-, and 256-QAM, as well as define your own MSK, FSK, and I/Q
modulation types.
You can create and modify these custom modulation types using simple table editors, and
store custom files to the signal generator’s memory where they can be recalled on demand.
Using the table editors, you can adjust the signal’s data, frequency deviation, I value,
Q value, phase deviation, bit rate, filter alpha, FIR coefficient and value, and a channel
offset. Also, with user-defined IQ and FSK modulations, you can design custom differential
encoding schemes.
- Agilent Technologies 1
- ESG Family Signal Generators 1
- Option UN8 Real-Time I/Q 1
- Includes Option 202, EDGE 1
- Contents 10
- Options UN8 and 202 17
- APCO 25 Options UN8 and 202 18
- Bluetooth 19
- CDPD Options UN8 and 202 20
- Options UN8 and 202 Custom 21
- DECT Options UN8 and 202 22
- EDGE (Option 202 Only) 23
- GSM Options UN8 and 202 24
- Options UN8 and 202 NADC 25
- PDC Options UN8 and 202 26
- Options UN8 and 202 PHS 27
- TETRA Options UN8 and 202 28
- 2 Using Functions 29
- Setting the Carrier Frequency 30
- Setting the Power Level 30
- Selecting the Desired Format 31
- Setting Up the First Timeslot 31
- 4 1’s & 4 0’s On 32
- Down TCH) 32
- Up Custom) 32
- Using Custom Format 33
- Customizing the Burst Shape 35
- 1 > Enter. This will 40
- −1 by pressing 41
- 2 > Enter. This 41
- 0 > Enter. This 41
- Creating a Symbol Map 44
- Moving an I/Q Symbol 47
- FSK Table Editor 50
- Frequency terminator softkeys 51
- Active entry area 52
- Load Default FSK softkey menu 52
- More (2 of 2) > Edit Item 53
- Softkey menu with 61
- Selecting Stored Files 63
- Selecting a Custom FSK File 65
- Using the Bit File Editor 66
- Editing Keys > Clear Text 67
- USER1 is a copy of UNTITLED 68
- Cursor moves to new position 69
- Position indicator changes 69
- Hex Data changed 69
- USER1 has been named USER2 70
- 3 Softkey Reference 71
- Numerics 73
- 16 1’s & 16 0’s 79
- 800 MHz Base 87
- 800 MHz Mobile 88
- 1500 MHz Base 88
- 1500 MHz Mobile 88
- , the synchronizing pulse is 89
- Softkey Locations 89
- APCO 25 C4FM 90
- APCO 25 w/C4FM 90
- APCO 25 w/CQPSK 90
- BBG Data Clock Ext Int 92
- Begin Pattern 93
- Begin Timeslot 93
- Bit Clock 94
- BNC MUX Settings 94
- Burst Shape 95
- Burst Shape Type 95
- Channel Band 98
- Channel Number 99
- Configure Access 99
- Configure Custom 100
- Configure Dn Custom Cont 102
- Configure Dn Custom Disc 103
- Configure Dn Normal Cont 104
- Configure Dn Normal Disc 105
- Configure Dn Sync Cont 106
- Configure Dn Sync Disc 107
- Configure Down Custom 108
- Configure Down TCH 109
- Configure Dummy 111
- Configure Dummy Bearer 1 112
- Configure Dummy Bearer 2 113
- Configure FCorr 114
- Configure Frame 115
- Configure Hardware 115
- Configure Low Capacity 115
- Configure Normal 117
- Configure Sync 120
- Configure TCH 122
- Configure Timeslots 123
- Configure Traffic Bearer 124
- Configure Up Control 1 126
- Configure Up Control 2 127
- Configure Up Custom 128
- Configure Up Normal 129
- Configure Up TCH 130
- Configure Up VOX 132
- Control Channel Dnlink Uplink 133
- Custom Off On 134
- Data Format Pattern Framed 138
- Data Clk Out 139
- Define User Burst Shape 141
- Define User FIR 141
- Define User FSK 142
- Define User I/Q 142
- Delete All Rows 142
- Display Burst Shape 144
- Display FFT 144
- Display Impulse Response 145
- Display I/Q Map 145
- Dn Custom Cont 146
- Dn Custom Disc 147
- Dn Normal Cont 147
- Dn Normal Disc 148
- Dn Sync Cont 148
- Dn Sync Disc 149
- Down Custom 149
- Downlink MCS-1 150
- Downlink MCS-5 150
- Downlink MCS-9 150
- Down TCH 150
- Down TCH All 151
- Dummy Bearer 1 151
- Dummy Bearer 2 151
- E Field Data 152
- E-GSM Mobile 152
- E-TCH/F43.2 153
- EDGE (Rev 8.3.0 Release 1999) 153
- EDGE Off On 153
- Edit Fall Shape 154
- Edit File 154
- Editing Keys 154
- Edit Rise Shape 155
- Ext Data Clock Normal Symbol 157
- Ext Delay Bits 158
- Ext Delay Off On 159
- External 13 MHz Off On 159
- Filter Factor N/A 165
- Filter Symbols 165
- Frame Repeat Single Cont 167
- Frame Trigger 168
- Freq Channels 169
- Freq Channels Off On 169
- Mode >TDMA > 170
- Gated Clock 172
- Goto Bottom Row 173
- Goto Middle Row 173
- Goto Row 173
- Goto Top Row 173
- Gray Coded QPSK 174
- GSM 450 Base 174
- GSM 850 Mobile 176
- GSM Off On 176
- IS-95 and IS-2000 179
- IS-95 Mod 179
- IS-95 w/EQ 180
- IS-95 Mod w/EQ 180
- IS95 OQPSK 180
- Load Default FIR 183
- Load Default FSK 183
- Load Default I/Q Map 183
- Load From Selected File 183
- Load/Store 184
- Low Capacity 185
- Low Capacity with Z Field 185
- Manual Reset & Run 186
- Mirror Table 186
- Modify Standard 186
- Modulation Type 187
- Multiframe Channel 188
- Multiframe Data 188
- Multiframe Trigger 188
- Number of Bits 190
- Offset Q Off On 192
- Optimize FIR For EVM ACP 192
- Other Patterns 194
- Oversample Ratio 195
- Pattern Repeat Single Cont 196
- Pattern Trigger 196
- Phase Polarity Normal Invert 198
- Predefined Mode 206
- QPSK and OQPSK 210
- Rate Full Half 211
- Recall Secondary Frame State 211
- Restore DECT Factory Default 212
- Restore Default Burst Shape 213
- Restore Default Filter 213
- Restore Default Symbol Rate 214
- R-GSM Mobile 216
- S DECT Format 218
- Save Secondary Frame State 219
- Scramble Off On 219
- Scramble Seed 220
- Secondary Frame Off On 220
- Secondary Frame Trigger 221
- Options UN8 and 202 S 223
- Symbol Sync Out 225
- SYNC In the NADC Format 226
- Sync Out Offset 227
- TETRA Off On 230
- Timeslot # 230
- Timeslot Off On 231
- Timeslot Type 231
- Traffic Bearer 232
- Traffic Bearer with Z Field 232
- Transmit Link RFP PP 232
- Trigger In Polarity Neg Pos 233
- UN3/4 GSM 236
- Gaussian 236
- Up Control 1 236
- Up Custom 237
- Uplink MCS-1 238
- Uplink MCS-5 238
- Uplink MCS-9 238
- Up Normal 239
- User FSK 242
- W Options UN8 and 202 244
- 4 Programming 245
- Programming Commands 246
- Broadcast Bit Field 252
- PN9 Mode 253
- Color Code Field 257
- Data Clock Input Configuration 258
- Data Out 274
- Default State 274
- Differential Data Encoding 275
- Differential Encoding 275
- EDGE BNC MUX Settings 276
- Extended Tail (ET) Field 276
- External Data Delay Query 277
- Frame Repeat 279
- Frame Transmission Rate 279
- FIX4 Data 284
- FSK Deviation 296
- Guard Field 297
- Idle Field 297
- I/Q Scaling 298
- Mode State 299
- MSK Phase 304
- Multiframe PN Sequence 306
- Personal Station ID Code 308
- Phase Polarity 308
- Steal Bit 315
- Symbol Rate 315
- Synchronization Word Field 318
- Tail (T1, T2) Fields 319
- Training Sequence Field 326
- Trigger Source 330
- Unique Word Field 330
- User FSK Files 331
- User I/Q Files 331
- Programming Examples 332
- Program Comments 335
- 6 Theory of Operation 417
- Control (Option UNA only) 420
- Burst Shape: 422
- Data Clock Timing Patterns 424
- 1st Symbol 428
- Data Value 00000001 429
- Data Value 00000010 429
- Data Value 00000011 429
- Index I-1 431
- I-2 Index 432
- Index I-3 433
- I-4 Index 434
- Index I-5 435
- I-6 Index 436
- Index I-7 437
- I-8 Index 438
- Index I-9 439
- I-10 Index 440
- Index I-11 441
- I-12 Index 442
- Index I-13 443
- I-14 Index 444
- Index I-15 445
- I-16 Index 446
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