Making Basic Measurements

Measuring Low Level Signals

3.On the analyzer, perform a factory preset by pressing Preset,

Factory Preset (if present).

4.Set the center frequency of the analyzer to 300 MHz by pressing

FREQUENCY, Center Freq, 300, MHz.

5.Set the span to 5 MHz by pressing SPAN, Span, 5, MHz.

6.Set the resolution bandwidth to spectrum analyzer coupling by pressing BW/Avg, Res BW (SA).

7.Set the Y-Axis Units to dBm by pressing AMPLITUDE, More, Y-Axis Units, dBm.

8.Set the reference level to 40 dBm by pressing AMPLITUDE, Ref Level,

–40, dBm.

9.Place the signal at center frequency by pressing Peak Search, Marker, MkrCF. See Figure 1-30.

Figure 1-30 30 kHz Video Bandwidth

10.Narrow the video bandwidth by pressing BW/Avg, Video BW, and the step-down key (). This clarifies the signal by smoothing the noise, which allows better measurement of the signal amplitude.

A # mark appears next to the VBW annotation at the bottom of the screen, indicating that the video bandwidth is not coupled to the resolution bandwidth. See Figure 1-31. As the video bandwidth is reduced, the sweep time is increased to maintain calibrated data.

Instrument preset conditions couple the video bandwidth to the resolution bandwidth. If the bandwidths are uncoupled when video bandwidth is the active function, pressing Video BW (so that Auto is underlined) recouples the bandwidths.

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Agilent Technologies E7403A, E7405A, E7402A, E7404A, E7401A manual 30 30 kHz Video Bandwidth

E7402A, E7405A, E7404A, E7401A, E7403A specifications

Agilent Technologies, a leader in test and measurement solutions, offers a range of spectrum analyzers designed to meet the evolving demands of the electronics industry. The E7403A, E7401A, E7404A, E7405A, and E7402A are prominent models that embody advanced features and technologies, enhancing performance, accuracy, and user experience.

The E7403A is recognized for its high-quality performance and wide frequency range. This model offers frequency coverage from 9 kHz to 3 GHz, making it suitable for both commercial and academic research applications. With a phase noise of -100 dBc/Hz at 10 kHz offset, it delivers exceptional sensitivity. The E7403A also features a built-in tracking generator, facilitating effective signal generation for testing.

Next in line, the E7401A provides similar frequency coverage but is optimized for portable functionality. Weighing significantly less than its counterparts, it is easy to transport, making it ideal for field applications. Users benefit from its fast sweep speed of up to 3 GHz, which is crucial in quickly identifying and analyzing signals.

The E7404A excels in its comprehensive analysis capabilities. With a frequency range extending up to 6 GHz, it supports more demanding applications, including wireless communications and satellite technology. Its advanced digital signal processing capabilities enable the analysis of complex modulated signals, providing engineers with the data needed to troubleshoot and optimize system performance.

The E7405A is a highly versatile model that offers frequency coverage from 9 kHz to 20 GHz. This wide frequency range, combined with high dynamic range, supports the testing of various electronic devices and systems. It features advanced measurement options including occupied bandwidth, adjacent channel power, and sensitivity measurements, which are critical for compliance testing in communication systems.

Lastly, the E7402A is designed for users who require a spectrum analyzer with enhanced functionality at a competitive price. It reaches frequencies of up to 1.5 GHz, making it suitable for various applications including RF design, development, and manufacturing. Its user-friendly interface ensures that both novice and experienced users can navigate its features with ease.

In conclusion, Agilent Technologies' E7403A, E7401A, E7404A, E7405A, and E7402A spectrum analyzers provide a robust set of features tailored to meet diverse industry needs. Utilizing sophisticated technologies, these models ensure precise and efficient signal analysis, making them indispensable tools for engineers and researchers in the fast-paced world of electronics.