Electronic Load are described later in this chapter. The Electronic Load has a status reporting capability to keep track of pending triggers and other operating conditions. The status reporting capability is described in detail in the Agilent Electronic Loads Programming Reference Guide.

Transient Current Level

The transient current level can be set at the front panel ( , and ENTRY keys) or via the GPIB

(CURR:TLEV command). The transient current level determines the higher current level when transient operation (described later in this chapter) is turned on. The module input will switch between the main level and the transient level when transient operation is turned on.

Software Current Limit

The Electronic Load allows the user to set a current limit (0 to 102% of full scale) for each module via the GPIB

(CURR:PROT command) which will shut down the input if the current limit is exceeded beyond a programmable time delay. Note that the software current limit is in effect for any mode of operation (not just the CC mode). The software current limit feature is described later in this chapter under Protection Features.

Slew Rate

Slew rate determines the rate at which the current input to a module changes to a new programmed value. Slew rate can be

set at the front panel ( , and ENTRY keys) or via the GPIB (CURR:SLEW command). This slew rate remains in effect for the immediate, triggered, and transient level changes previously described.

There are 12 discrete current slew rates within each slewrate range. Any slew rate value can be sent to a module (there are no upper and lower limits that would cause an error), and a module will automatically select one of the 12 rates that is closest to the programmed value. The slew rate is rescaled to the closest fit in the 1-of-12 discrete steps if the

current range is changed.

Constant Resistance (CR) Mode

In this mode, the module will sink a current linearly proportional to the input voltage in accordance with the programmed

resistance (see Figure 2-3). The CR mode can be set at the front panel ( , and keys) or via the GPIB (MODE:RES command). The CR mode parameters are described in the following paragraphs (see also Appendix A).

Figure 2-3. Constant Resistance Mode

Operation Overview 19

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Agilent Technologies 6051A, 6050A Transient Current Level, Software Current Limit, Slew Rate, Constant Resistance CR Mode
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6051A, 6050A specifications

Agilent Technologies has long been a leader in providing high-performance test and measurement solutions, and the 6050A and 6051A models exemplify this commitment to quality and innovation. The 6050A and 6051A are versatile signal generators that cater to a diverse range of applications, including research and development, manufacturing, and education, making them essential tools in laboratories and production environments.

The Agilent 6050A is a high-performance RF signal generator known for its frequency range capabilities, which span from 100 kHz to 20 GHz. It offers exceptional phase noise performance and low harmonic distortion, making it ideal for applications that require high signal integrity. The device supports various modulation formats, including AM, FM, and pulse modulation, allowing users to generate a wide range of test signals to simulate real-world conditions.

The 6051A builds upon the robust features of the 6050A with enhanced specifications and additional functionalities. It features a larger frequency modulation bandwidth, pushing the envelope for applications requiring more complex signal generation. The 6051A showcases a superior output power range, ensuring that test signals can be reliably produced at varying power levels. This model also includes advanced output control options that allow for precise signal manipulation, making it particularly suited for testing amplifiers and other RF components.

Both models share core technologies that ensure reliable performance, such as direct digital synthesis (DDS) and phase-locked loop (PLL) architectures. These technologies contribute to the exceptional frequency stability and accuracy that engineers and scientists have come to rely on. Additionally, the user-friendly interface integrated into both models simplifies operation and allows for quick configuration changes, facilitating efficient research and testing workflows.

With comprehensive connectivity options, including GPIB, USB, and Ethernet, the 6050A and 6051A can easily integrate into automated test environments. Their reliability, performance, and flexibility make them a perfect choice for those looking to advance their testing capabilities, whether in academic research, product development, or quality assurance in manufacturing.

In summary, the Agilent Technologies 6050A and 6051A signal generators are powerful tools designed to meet the demands of modern RF testing. Their advanced features, paired with Agilent’s reputation for quality and precision, make them invaluable assets in any engineering or research portfolio. Whether you require sophisticated signal generation for prototype testing or educational purposes, these models will deliver the performance needed to support your objectives.
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