Tektronix ADA400A Instruction Manual page 6

List of Figures
Figure 1: Configuration Jumper for Scale Factor Coding ............0..644 3
Figure 2: Front Panel Controls 20.00... 00ers 5
Figure 3: Input Connectors and Fus 6
Figure 4: Output Connector 6
Figure 5: Selecting the Input Impedance ....... 0.00.0 c eee cee tees it
Figure 6: Differential Rejection of Common-Mode Signal ................. 12
Figure 7: Eliminating Ground Loops in a Differential Sep ............... 13
Figure 8: Input and Offset Range for X 0.1 Gain .. 0... cece eee 15
Figure 9: Input and Offset Range for X 1 Gain... 06... eee 15
Figure 10: Input and Offset Range for X 10 Gain «0.0... 20.0.6 e eee ee 15
Figure 11: Input and Offset Range for X 100 Gain ......0...0 000 0c eee 16
Figure 12: Typical DC and AC Coupled CMRR in X0.1 Gain .............. 24
Figure 13: Typical AC and DC Coupled CMRR in XI] Gain... 0.0.00. 0 0... 25
Figure 14: Typical and Warranted CMRR in X10 Gain... 66... ee 25
Figure 15: Typical and Warranted CMRR in X100 Gain. ............ 00.005 26
Figure 16: Location of Adjustments Underneath Inner Shield .............. 37
Figure 17: Replacing TEKPROBE Interface Pins ........... 0.0 eee eee 47
Figure 18: Replacing the TEKPROBE collar ..... 0... 0. e eee e eee renee 47
Figure 19: Input Connectors and Fuses 48
Figure 20: Potentiometer Connections ...........-0055 49
Figure 21: Diagram of the ADA400A Differential Preamplifier ............. 50
Figure 22: ADA400A Differential Preamplifier — Exploded View .......... 57
List of Tables
Table 1: Controls, Connectors, and Indicators 2.0.0... 06. ee 7
Table 2: Effective Volts Per Division Settings ................ 000. cee 8
Table 3: Nominal Characteristics — Signal Acquisition System .......0..... 19
Table 4: Warranted Characteristics — Signal Acquisition System ........... 20
Table 5: Warranted Characteristics — Environmental ...........00. 00000 21
Table 6: Typical Characteristics — Signal Acquisition System ............. 22
Table 7: Typical Characteristics — Mechanical Characteristics ............. 24
Table 8: Test Equipment 0... eee tenes 27
Table 9: Equipment Settings for Gain Checks ©... 0... e eee eee 29
Table 10: Equipment Settings for X100, 100 kHz CMRR Checks ........... 31
Table 11: Equipment Settings for X100, 10 kHz CMRR Checks ............ 32
Table 12: Equipment Settings for X100, 100 Hz CMRR Checks ............ 33
Table 13: Equipment Settings for X10, 100 KHz CMRR Checks ............ 33
Table 14: Equipment Settings for X10, 10 KHz CMRR Checks ............. 34
Table 15: Equipment Settings for X10, 100 Hz CMRR Checks ............. 34
Table 16: Equipment Settings for Gain Adjustments 38
Table 17: Equipment Settings for Offset Adjustments 39
Table 18: Equipment Settings for Attenuator Balance Adjustments ......... 40
Table 19: Equipment Settings for CMRR Adjustments .............06.005 Al
Table 20: Equipment Settings for LF Adjustments .........0.....0 0000s ee 43
Table 21: Second Equipment Settings for LF Adjustments ..............-. 43
Table 22: Electrical Faults 2.2... ccc eee teens 52
ii ADA4OOA Instruction Manual