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Agilent Technologies E8267C PSG, E8247C PSG CW, E8257C PSG manual Configuring the LF Output

Models: E8267C PSG E8247C PSG CW E8257C PSG

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Analog Modulation

Configuring the LF Output

Configuring the LF Output

The signal generator has a low frequency (LF) output (described on page 9). The LF output’s source can be switched between Internal 1 Monitor, Internal 2 Monitor, Function Generator 1, or Function Generator 2.

Using Internal 1 Monitor or Internal 2 Monitor as the LF output source, the LF output provides a replica of the signal from the internal source that is being used to modulate the RF output. The specific modulation parameters for this signal are configured through the AM, FM, or FM menus.

Using Function Generator 1 or Function Generator 2 as the LF output source, the function generator section of the internal modulation source drives the LF output directly. Frequency and waveform are configured from the LF output menu, not through the AM, FM, or FM menus. You can select the waveform shape from the following choices:

Sine

sine wave with adjustable amplitude and frequency

Dual-Sine

dual-sine waves with individually adjustable frequencies and a percent-of-

 

peak-amplitude setting for the second tone (available from function generator 1 only)

Swept-Sine

a swept-sine wave with adjustable start and stop frequencies, sweep rate, and sweep

 

trigger settings (available from function generator 1 only)

Triangle

triangle wave with adjustable amplitude and frequency

Ramp

ramp with adjustable amplitude and frequency

Square

square wave with adjustable amplitude and frequency

Noise

noise with adjustable amplitude generated as a peak-to-peak value (RMS value is

 

approximately 80% of the displayed value)

DC

direct current with adjustable amplitude

 

 

NOTE

The LF Out Off On softkey controls the operating state of the LF output. However when the

 

LF output source selection is Internal Monitor, you have three ways of controlling the output.

 

You can use the modulation source (AM, FM, or FM) on/off key, the LF output on/off key,

 

or the Mod On/Off softkey.

 

The RF On/Off hardkey does not apply to the LF OUTPUT connector.

 

 

Chapter 4

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Agilent Technologies E8267C PSG, E8247C PSG CW, E8257C PSG manual Configuring the LF Output
Page 92 Page 94

E8267C PSG, E8247C PSG CW, E8257C PSG specifications

Agilent Technologies, a leading provider of electronic test and measurement equipment, offers a range of signal generators that are pivotal in various applications, including telecommunications, aerospace, and research. Among their top-tier offerings are the E8257C PSG, E8247C PSG CW, and E8267C PSG. These signal generators are known for their exceptional performance, flexibility, and cutting-edge technologies.

The E8257C PSG is a high-performance microwave signal generator capable of generating signals from 10 MHz to 40 GHz. Its versatility makes it ideal for applications such as radar and satellite communications. One of the standout features of the E8257C is its low phase noise and superior output power, which ensure high-quality signal generation. The instrument incorporates advanced digital signal processing technology, allowing users to create complex modulated signals with precision. It also boasts a comprehensive set of modulation formats, including AM, FM, PM, and pulse modulation, making it suitable for diverse testing scenarios.

The E8247C PSG CW is designed specifically for continuous wave (CW) applications, covering frequencies from 500 kHz to 20 GHz. This generator is optimized for high stability and low output noise, making it ideal for applications that require a reliable signal source, such as manufacturing testing and maintenance of communication systems. The E8247C features a compact design and is equipped with an intuitive user interface, allowing quick access to essential functions. Its frequency agility and fast switching capabilities enhance productivity, enabling engineers to optimize their workflow.

The E8267C PSG delivers unparalleled performance in the microwave frequency range of 250 kHz to 70 GHz. It includes advanced modulation capabilities, allowing users to generate complex waveforms with relative ease. The E8267C supports various digital modulation schemes, including QAM, which is crucial for testing modern communication systems. Its high output power and excellent spectral purity make it suitable for both R&D and manufacturing applications. Additionally, the E8267C features built-in functionality for frequency and power sweeps, providing users with extensive testing options.

In summary, Agilent Technologies’ E8257C, E8247C, and E8267C signal generators are integral tools for professionals seeking high performance and versatility in their testing environments. With unique features and advanced technologies, these generators cater to the demands of modern applications, ensuring reliable and accurate signal generation for a wide range of industries. Whether it's for research, development, or manufacturing, these instruments demonstrate Agilent's commitment to delivering top-notch testing solutions.