4 - Programming Examples

The ac source can be programmed to turn off its output if the rms current limit is reached. This protection feature is implemented with the CURRent:PROTection:STATe command as explained in Chapter 3.

NOTE: On the Agilent 6814B, 6834B and 6843A, the CURRent command is coupled with the VOLTage:RANGe. This means that the maximum current limit that can be programmed at a given time depends on the voltage range setting in which the unit is presently operating. Refer to "Coupled Commands" for more information.

Peak Current Limit (Agilent 6811B/6812B/6813B only)

The Agilent 6811B, 6812B, and 6813B have a programmable peak current limit which limits the instantaneous current. The command to set this limit is:

CURRent:PEAK <n>

where <n> is the peak current in amperes.

Since instantaneous current tends to be highest when the output voltage is highest, this current limit tends to clip the peaks of the output voltage waveform.

DC Output (Agilent 6811B/6812B/6813B only)

The Agilent 6811B, 6812B, and 6813B single-phase models have dc output capability which lets you independently control the dc and ac components of the output voltage. At *RST, these models default to the ac output mode. When dc offset is desired, this mode must be changed using the OUTPut:COUPling command.

To enable the dc output, use:

OUTPut:COUPling DC

To set the dc output voltage to 5 volts, use:

VOLTage:OFFSet 5

When the command

OUTPut:COUPling AC

is sent, the ac source regulates the dc output voltage to 0, regardless of any programmed voltage offset.

NOTE: Because the voltage offset commands are coupled with the voltage commands, the dc output voltage will affect the maximum output voltage and vice-versa. When the dc output is non-zero, the maximum ac voltage that can be programmed is reduced to a value that limits the total ac + dc peak amplitude to 425 V. Similarly, when the ac output is non-zero the maximum dc offset that can be programmed is subject to the same limitation. Refer to "Coupled Commands" for more information.

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Agilent Technologies 6834B DC Output Agilent 6811B/6812B/6813B only, Peak Current Limit Agilent 6811B/6812B/6813B only
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6812B, 6811B, 6813B, 6834B, 6843A specifications

Agilent Technologies, a leader in electronic test and measurement equipment, offers a range of powerful signal sources including the 6843A, 6834B, 6814B, 6813B, and 6811B models. These instruments are designed to support various applications in research, development, and manufacturing, providing precise signal generation capabilities.

The Agilent 6843A is a versatile signal generator known for its exceptional frequency range and modulation capabilities. It supports an extensive bandwidth, making it ideal for applications that require high-frequency signal generation. With its superior phase noise performance, the 6843A is an excellent choice for radar, wireless communications, and electronic warfare applications. The instrument features an intuitive user interface, allowing engineers to set parameters quickly and efficiently.

Next, the Agilent 6834B offers exceptional performance characteristics, including high output power and low distortion. This signal generator is particularly noted for its ability to produce complex modulation formats, making it suitable for testing advanced wireless communication systems. With a reliable and stable output, the 6834B ensures accurate and repeatable measurements, which is vital for thorough testing processes.

The 6814B model stands out for its dual-channel capabilities, allowing users to generate simultaneous signals for testing multiple components or systems. This feature significantly enhances testing efficiency and flexibility for engineers. With built-in arbitrary waveform functionality, users can create custom waveforms, making the 6814B suitable for a wide range of applications including device characterization and signal processing research.

For those seeking a more compact solution, the Agilent 6813B provides essential signal generation features without compromising on performance. It is designed for a variety of applications across telecommunications and consumer electronics, featuring a straightforward interface and robust performance metrics.

Lastly, the 6811B is an entry-level yet capable model that supports a broad spectrum of testing needs. Perfect for educational and laboratory environments, it provides essential functionalities required for effective signal generation and analysis.

Overall, Agilent Technologies' 6843A, 6834B, 6814B, 6813B, and 6811B signal generators offer an array of features and technologies that cater to various application needs. Their precision, reliability, and user-oriented designs position them as invaluable assets in any testing environment, ensuring engineers can carry out their work with confidence and accuracy.
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