1Introducing the Agilent 85225F Performance Modeling System

The RF Subsystem

S- parameter device characterization is provided by the RF subsystem.

The RF subsystem contains the Agilent E8364B PNA Series vector network analyzer.

Its integrated synthesizer supplies a swept or CW RF source signal from 10 MHz* to 50 GHz.

The integrated test set separates the RF source signal into reference and test signals, and provides RF connection via cables and adapters to the external bias networks.

The DC Subsystem

Precision DC characterization and bias for the S- parameter measurements are provided by one of the following three DC subsystems.

The DC subsystem may contain one of the following three instruments.

Agilent 4156C Precision Semiconductor Parameter Analyzer

The Agilent 4156C precision semiconductor parameter analyzer provides DC force (supply) and sense (measure) capability from its HRSMUs (high resolution source/monitor units).

Optionally, the Agilent 4156C may be configured with a 41501B SMU PGU expander is connected to and controlled by the 4156C via the expander box interface. The 41501B provides a GNDU (active ground unit) and, depending on option configuration, an HPSMU (high- power source/monitor unit), two MPSMUs (medium- power source monitor units), and/or two PGUs (pulse generator units).

The DC signals are routed through feedthrough panels via triaxial cables to the bias networks.

Agilent E5260A 8-Slot High Speed Parametric Measurement Mainframe

The Agilent E5260A provides DC force (supply) and sense (measure) capability from its plug- in source/monitor units.

The Agilent E5290A plug- in high speed high power source/monitor unit provides up to 200 volts of potential and 1 amp of current to the device under test.

The Agilent E5291A plug- in high speed medium power source/monitor unit provides up to 100 volts of potential and 200 milliamps of current to the device under test.

*Due to the minimum operating frequency of the bias networks, the performance modeling system low end frequency range is 45 MHz.

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Installation and User’s Guide

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Agilent Technologies 85225F manual RF Subsystem, DC Subsystem
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85225F specifications

Agilent Technologies 85225F is a high-performance microwave signal generator designed for the most demanding test and measurement applications in the RF and microwave frequency domains. This versatile instrument is a vital tool for engineers and technicians who require precise and reliable signal generation in various fields such as telecommunications, aerospace, and electronic warfare.

One of the main features of the Agilent 85225F is its frequency coverage, which spans from 0.1 to 26.5 GHz. This broad frequency range allows users to address a wide array of applications, including component testing, system verification, and radar signal simulation. With exceptional frequency resolution and accuracy, the 85225F ensures the generation of clean and stable signals tailored to specific operational requirements.

The 85225F incorporates advanced phase-locked loop (PLL) technology, which contributes to its superior frequency stability and low phase noise. This technology is crucial for applications requiring precise signal integrity and minimal jitter, such as digital communications and high-frequency circuit testing. The instrument’s low phase noise is particularly advantageous for sensitive measurements and data transmission systems where signal quality is paramount.

In addition to its impressive frequency and phase noise characteristics, the Agilent 85225F features multiple modulation capabilities, including amplitude modulation (AM), frequency modulation (FM), and pulse modulation. These modulation options enable users to simulate a wide variety of real-world signals and testing conditions, enhancing the versatility of the instrument in various testing environments.

The 85225F also offers a user-friendly interface that facilitates ease of operation. The clear LCD screen displays essential parameters and settings, allowing users to make adjustments quickly and efficiently. Furthermore, the instrument supports remote programming and automation through its GPIB or LAN connectivity options, making it suitable for integration into larger test systems.

Another notable characteristic of the Agilent 85225F is its compact design, which does not compromise on performance. This space-saving design makes it ideal for both lab and field applications, allowing engineers to transport the generator with ease, while still maintaining the ruggedness required for demanding environments.

Overall, the Agilent Technologies 85225F stands out as a robust and reliable microwave signal generator, equipped with state-of-the-art features and technologies that cater to the needs of modern RF testing. Its broad frequency coverage, advanced modulation capabilities, low phase noise, and user-friendly interface make it an essential tool for a wide range of applications in the RF and microwave sector.
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