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Valutato. / 5. Basato su recensioni clienti
Downloading and Using Files
Downloads Directly into Pattern RAM (PRAM)
Chapter 4 185
Via the remote interface:
For TDMA formats, send the following SCPI commands:
[:SOURce]:RADio:<desired format>[:STATe]:ON
[:SOURce]:RADio:<desired format>:BURSt[:STATe]:ON
[:SOURce]:BURSt:SOURce INT
For custom modulation, send:[:SOURce]:RADio:CUSTOm[:STATe]:ON
To adjust symbol rate, filtering, or other parameters, send the appropriate SCPI command.
SCPI Command to Download Data in List Format
:MEMory:DATA:PRAM:LIST <uint8>[,<uint8>,<...>]
This command downloads the list-formatted data directly into PRAM. The variable <uint8>
is any of the valid 8-bit, unsigned integer values between 0 and 255, as specified by Table 4-1.
Note that each value corresponds to a unique byte/address in PRAM.
Sample Command Line
For example, to burst a FIX4 data pattern of “1100” five times, then turn the burst off for 32
data periods (assuming a 1-bit/symbol modulation format), the command is:
:MEMory:DATA:PRAM:LIST 85,21,20,20,21,21,20,20,21,21,20,20,21,21,20,20,21,
21,20,20,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
16,16,16,16,16,16,16,16,16,16,144
21 signifies data=1, burst = on (1)
20 signifies data=0, burst = on (1)
16 signifies data=unspecified, burst = off (0)
85 enables event 1 trigger signifying the beginning of the data pattern
144 signifies data=unspecified, burst = off (0), pattern repeat = on (1)
Querying the Waveform Data
Use the following SCPI command line to determine whether there is a user-defined pattern in
the PRAM:
:MEMory:DATA:PRAM?
- Programming Guide 1
- Contents 3
- 1 Getting Started 7
- I/O Libraries 9
- Interfaces 9
- Programming Language 10
- Using GPIB 11
- GPIB Interface Terms 14
- GPIB Function Statements 15
- Local key 16
- Preset key is pressed 16
- Using LAN 20
- Utility > 23
- Using VXI-11 24
- Getting Started 25
- Chapter 1 19 25
- Figure 1-2 Show Devices Form 25
- Using Sockets LAN 26
- Using TELNET LAN 27
- Start > Run 28
- Using FTP 31
- Using RS-232 33
- Character Format Parameters 36
- If You Have Problems 36
- 2 Programming Examples 37
- Remote Off On 38
- GPIB Programming Examples 40
- Chapter 240 46
- Chapter 242 48
- Chapter 244 50
- Chapter 246 52
- Chapter 248 54
- Chapter 250 56
- Chapter 252 58
- Chapter 254 60
- Chapter 256 62
- Chapter 258 64
- Chapter 2 59 65
- Chapter 2 61 67
- Chapter 262 68
- Chapter 2 63 69
- LAN Programming Examples 70
- VXI-11 Programing 71
- Chapter 2 67 73
- Chapter 268 74
- Chapter 2 73 79
- Chapter 274 80
- Chapter 2 75 81
- Chapter 276 82
- Chapter 2 77 83
- Chapter 278 84
- Chapter 2 79 85
- Chapter 280 86
- Chapter 2 81 87
- Chapter 282 88
- Chapter 2 83 89
- Chapter 284 90
- Chapter 2 85 91
- Chapter 286 92
- Chapter 2 87 93
- Chapter 288 94
- Chapter 290 96
- Start > Programs > 97
- Command Prompt 97
- Chapter 292 98
- Programming Examples 102
- RS-232 Programming Examples 102
- Chapter 296 102
- Queries Using Agilent BASIC 103
- Queries Using VISA and C 104
- Chapter 2 99 105
- Chapter 2100 106
- 3 Programming the 107
- Overview 108
- Chapter 3 103 109
- Chapter 3104 110
- Status Register Bit Values 111
- Determining What to Monitor 112
- Deciding How to Monitor 113
- Status Register SCPI Commands 116
- Status Byte Group 118
- Status Byte Register 119
- Chapter 3114 120
- Status Groups 121
- Standard Event Status Group 122
- Chapter 3 117 123
- Chapter 3128 134
- Chapter 3144 150
- 4 Downloading and Using Files 151
- Introduction 152
- ARB Waveform Data Downloads 153
- Bit-value and Output Power 154
- Data Requirements 156
- File Structure and Memory 156
- Downloading Waveforms 157
- Metrowerks CodeWarrior 3.0) 161
- Playing a Downloaded Waveform 166
- Mode > Dual ARB > 168
- User File Data Downloads 173
- Data Limitations 175
- Data Volatility 175
- Downloading User File Data 180
- Timeslots 184
- Select File 184
- Downloading in List Format 190
- Downloading in Block Format 192
- Viewing the PRAM Waveform 194
- Data Transfer Troubleshooting 195
- User File Download Problems 197
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