Index

If you have questions relating to the operation of the 34970A, call 1-800-452-4844in the United States, or contact your nearest Agilent Technologies Sales Office.

Warnings

34901A, 165 34902A, 167 34903A, 169 34904A, 171 34908A, 176

“1⁄2 ” digit, 100, 416

34901A module

channel numbering, 164 description, 164

screw terminal diagram, 165 simplified schematic, 164 wiring log, 165

module overview, 7, 164 module specifications, 409

34902A module

channel numbering, 166 description, 166

screw terminal diagram, 167 simplified schematic, 166 wiring log, 167

module overview, 7, 166 module specifications, 409

34903A module

channel numbering, 168 description, 168, 384 screw terminal diagram, 169 simplified schematic, 168 wiring log, 169

module overview, 8, 168 module specifications, 409 RC protection circuitry, 385 snubber circuitry, 385

34904A module

channel numbering, 170 combining matrices, 389 description, 170, 388 module overview, 8, 170 module specifications, 409 screw terminal diagram, 171 simplified schematic, 170 wiring log, 171

34905A module (50Ω )

ac performance graphs, 411 channel numbering, 172 description, 172, 390 module overview, 8, 172 module specifications, 410 screw terminal diagram, 173 simplified schematic, 172 wiring log, 173

34906A module (75Ω )

ac performance graphs, 411 channel numbering, 172 description, 172, 390 module overview, 8, 172 module specifications, 410 screw terminal diagram, 173 simplified schematic, 172 wiring log, 173

34907A module

8-bit vs. 16-bit operations, 133, 138 ac vs. TTL threshold, 135 adding to scan, 133, 136

binary format, 42, 133 channel numbering, 174 clearing the count (totalizer), 136 current limitations (DAC), 139, 397 decimal format, 42, 133 description, 174

driving microwave switches, 394 gate signal, 135

maximum totalizer count, 136 screw terminal diagram, 175 simplified block diagrams, 174 specifications, 412

Totalize Threshold jumper, 135, 175 totalizer reset mode, 136

using alarms, 130 wiring log, 175

34908A module

channel numbering, 176 description, 176

screw terminal diagram, 177 simplified schematic, 176, 177 wiring log, 177

module overview, 9, 176 module specifications, 409

34970A

block diagram, 53 dimensions, 413 firmware revision, 146

4W annunciator, 4

50Ω RF switching, 390

75Ω RF switching, 390 *CLS command, 291 *ESE command, 288 *ESR? command, 288 *IDN? command, 265 *OPC command, 279, 291 *OPC? command, 279 *PSC command, 291 *RCL command, 261

*RST command, 160, 267, 295 *SAV command, 261

*SRE command, 286 *STB? command, 278, 286 *TRG command, 82, 230 *TST? command, 268, 295 *WAI command, 295

A

ABORt command, 79, 230 aborting a scan, 78, 79 absolute time, 87

ac bandwidth

ac current, 116 ac voltage, 114

vs. channel delays, 89 ac current

ac filter, 116, 361 connections, 21

low frequency filter, 116, 361 measurement ranges, 21, 116 settling time, 116, 361

ac filter

definition, 114, 116, 361 vs. channel delays, 89

ac measurement errors, 341 ac settling time, 114, 116

Index

421

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Agilent Technologies 34970A manual Index, Totalize Threshold jumper, 135, 175 totalizer reset mode
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34970A specifications

Agilent Technologies 34970A is a versatile data acquisition and measurement system that has gained popularity in various industries, including research and development, manufacturing, and education. The primary purpose of the 34970A is to offer an efficient solution for data collection, monitoring, and analysis, which can significantly enhance productivity and accuracy in testing applications.

One of the main features of the 34970A is its modular design, allowing users to customize the system according to their specific measurement needs. The mainframe can accommodate up to three plug-in measurement modules, which can include various types of measurements such as analog, digital, temperature, and frequency. This modularity provides flexibility for users to tailor the system to their requirements, making it highly adaptable to different applications.

Another notable characteristic of the Agilent 34970A is its impressive channel configuration. The system can support up to 120 measurement channels when fully configured, enabling extensive data acquisition without the need for multiple devices. This capability is essential for applications requiring simultaneous monitoring of multiple parameters or locations.

The 34970A utilizes advanced signal processing technologies to ensure high-accuracy measurements. The internal 6.5-digit resolution multimeter provides precise readings, while the device also supports various input types, such as thermocouples and RTDs for temperature measurements. The ability to perform mathematical functions, such as summation and averaging, on the acquired data further enhances its usability.

For data storage and management, the Agilent 34970A features built-in memory for storing up to 20,000 readings. Users can also easily transfer data to a PC through the RS-232 interface or GPIB (IEEE 488) for further analysis and reporting. Additionally, it offers the capability to program automatic data logging and scheduling of measurements, which streamlines the testing process and reduces manual intervention.

In terms of user interface, the 34970A is equipped with a large graphical display that provides clear visualization of measurement data and easy navigation through settings and options. The menu-driven interface makes it accessible for users of all skill levels, simplifying the setup and operation of the device.

Overall, the Agilent Technologies 34970A stands out for its modularity, high channel capacity, advanced measurement technologies, and user-friendly interface. As a reliable and efficient data acquisition system, it is well-suited for a wide range of applications, making it an essential tool for engineers and technicians looking to enhance measurement precision and efficiency.
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