IBM Car Amplifier 7220 Manuel d'utilisateur Page 143
- Page / 155
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
E-19
Appendix E, ALPHABETICAL LISTING OF COMMANDS
The maximum sampling rate depends on the number of ADC inputs used and whether
the sampling is timed or simply runs as fast as possible. In the modes above described
as Fixed Rate, sampling runs at the maximum possible rate, nominally 20 kHz when
sampling both ADC1 and ADC2 or 40 kHz when sampling ADC1 only. In the
Variable Rate modes, the sampling speed is set by the BURSTRATE command.
TC [n]
TC. Filter time constant control
The value of n sets the time constant of the output according to the following table:
n time constant
0 10 µs
1 20 µs
2 40 µs
3 80 µs
4 160 µs
5 320 µs
6 640 µs
75 ms
8 10 ms
9 20 ms
10 50 ms
11 100 ms
12 200 ms
13 500 ms
14 1 s
15 2 s
16 5 s
17 10 s
18 20 s
19 50 s
20 100 s
21 200 s
22 500 s
23 1 ks
24 2 ks
25 5 ks
The TC. command is only used for reading the time constant, and reports the current
setting in seconds. Hence if a TC 11 command were sent, TC would report 11 and
TC. 1.0E-01, i.e. 0.1 s or 100 ms
TD Take data
Initiates data acquisition. Acquisition starts at the current position in the curve buffer
and continues at the rate set by the STR command until the buffer is full.
- Model 7220 1
- FCC Notice 2
- Declaration of Conformity 2
- Table of Contents 3
- TABLE OF CONTENTS 4
- Appendix A, Specifications 6
- Introduction 9
- Chapter 1, INTRODUCTION 10
- Installation & 13
- Initial Checks 13
- 2.2 Initial Checks 15
- Technical Description 17
- 3.2.02 Signal-Channel Inputs 18
- 3.2.04 AC Gain 20
- 3.2.05 Anti-Aliasing Filter 20
- 3.2.07 Reference Channel DSP 22
- 3.2.08 Internal Oscillator 23
- 3.2.09 Demodulator DSP 23
- 3.3 Accuracy 24
- 3.5 Dynamic Reserve 25
- 3.8 Output Channel Filters 27
- 3.10 Noise Measurements 30
- 3.11 Power-up Defaults 30
- 3.12 Auto Functions 30
- 3.12.02 Auto-Sensitivity 31
- 3.12.03 Auto-Phase 31
- 3.12.04 Auto-Offset 31
- 3.12.05 Auto-Measure 32
- 3.12.06 Default Setting 32
- Front and Rear Panels 33
- 4.1.03 REF IN Connector 34
- 4.1.05 MENU Key 36
- 4.1.06 90º Key 37
- 4.1.07 SET Key 37
- 4.2 Rear Panel 38
- 4.2.11 CH1, CH2 Connectors 40
- 4.2.12 TRIG Connector 40
- 4.2.13 ADC1, ADC2 Connectors 40
- 4.2.14 DAC1, DAC2 Connectors 40
- Front Panel Operation 41
- 5.2.01 Input Setup Menu 42
- 5.2.02 Reference Setup Menu 44
- 5.2.03 Output Setup Menu 45
- 5.2.04 Control Options Menu 48
- AUTOMATIC 49
- EXTERNAL 50
- Contrast 50
- 5.2.06 RS232 Setup 1 Menu 51
- 5.2.07 RS232 Setup 2 Menu 52
- 5.2.08 RS232 Setup 3 Menu 53
- 5.2.09 GPIB Setup 1 Menu 54
- 5.2.10 GPIB Setup 2 Menu 55
- 5.2.12 Control Setup Menu 57
- 5.3 Auto Functions Menu 58
- AUTO OFFSET 59
- AUTO MEASURE 59
- Figure 5-18, AC Gain Control 62
- Figure 5-37, Ratio Output 72
- Figure 5-38, Log Ratio Output 72
- ADC1 Volts 73
- ADC2 Volts 73
- Computer Operation 77
- 6.3 RS232 and GPIB Operation 78
- 6.3.03 Choice of Baud Rate 79
- 6.3.08 Handshaking and Echoes 81
- 6.3.09 Terminators 82
- 6.3.10 Command Format 82
- 6.3.11 Delimiters 83
- 6.3.12 Compound Commands 83
- 6.3.14 Service Requests 85
- 6.4 Command Descriptions 86
- 6.4.02 Reference Channel 89
- 6.4.05 Instrument Outputs 92
- 6.4.06 Internal Oscillator 95
- 6.4.07 Auxiliary Outputs 96
- 6.4.08 Auxiliary Inputs 97
- Chapter 6, COMPUTER OPERATION 100
- 6.5 Programming Examples 106
- 6.5.05 Transient Recorder 108
- Storage and Frequency Sweep 109
- Specifications 111
- Reference Channel 112
- Oscillator 113
- Auxiliary Inputs 114
- Data Storage 115
- Interfaces 115
- Power Requirements 115
- Appendix A, SPECIFICATIONS 116
- B.1 RS232 Connector Pinout 117
- Appendix B, PINOUTS 118
- Demonstration 119
- Programs 119
- Cable Diagrams 123
- Appendix D, CABLE DIAGRAMS 124
- Alphabetical Listing of 125
- Commands 125
- 16,000,000 126
- ((25 × n) + 157) 126
- ((25 × n) + 1031) 126
- The value of n 144
- 1 Enables offset facility 144
- Default Settings 147
- Appendix F, DEFAULT SETTINGS 148
- Operating environment 2-1 151
- X[.] command 6-16, E-20 153
- Y[.] command 6-16, E-20 153
- WARRANTY 155
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