AGILENT 35670A

Supplemental Operator’s Guide

Section 9 : Measuring Dual Channel Time Waveforms

This section contains procedures for setting up and measuring a single channel time waveform using an AGILENT 35670A Dynamic Signal Analyzer. Included are steps to select single channel operation, set up the trace time length, and set up triggering to capture a transient event. Instructions will also be presented to scale the time trace.

Selecting Dual Channel Operation

To measure a single-channel spectrum, turn on the AGILENT 35670A. The default instrument mode is dual-channel operation.

Note: if the AGILENT 35670A was already turned on and in an unknown state, then preset the analyzer by doing the following:

•Press the green [Preset] hardkey.

•Press [DO PRESET] softkey (F1).

This always returns the analyzer to dual-channel operation.

Selecting Time Record Length

Time record length can be entered directly or indirectly. It is entered directly under the [Freq] hardkey as follows (this example sets up a 0.25 second time record):

•Press the [Freq] hardkey

•Press the [RECORD LENGTH] softkey (F8)

•Enter 0.25 and then press the [S] softkey (F1)

Time record length can also be specified indirectly by entering frequency and resolution in lines. The relationship between time record length (T), lines of resolution (N), and frequency (F) is:

T = N (1024.F )

For 400 lines of resolution (default) and 1600 Hz span, the time record length should be 400/(1.024*1600) ≈ 0.25 seconds. The table showing the relationship between lines, span, and time record length can be found in the section on Single Channel Time Waveforms.

Displaying Dual Time Waveforms

Dual time waveforms can be shown in the UPPER/LOWER display format, with AUTO SCALE turned ON, as follows:

•Press the [Disp Format] hardkey.

•Press the [UPPER/LOWER] softkey (F3).

•Press the [Active Trace] hardkey.

•Press the [A] softkey (F1)

•Press the [Meas Data] hardkey.

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Agilent Technologies Agilent 35670A manual Measuring Dual Channel Time Waveforms, Displaying Dual Time Waveforms
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Agilent 35670A specifications

Agilent Technologies Agilent 35670A is a prominent and versatile dynamic signal analyzer designed for various applications in vibration testing, structural analysis, and noise measurement. Engineered to meet the rigorous demands of engineers and researchers, the 35670A is especially valued for its advanced features and functionalities that facilitate detailed analysis and troubleshooting.

One of the primary features of the Agilent 35670A is its ability to perform real-time signal analysis. The instrument is equipped with a powerful processing engine that handles large amounts of data efficiently, providing fast and accurate results. This real-time capability is critical for dynamic testing applications, allowing engineers to monitor and analyze signals as they occur, thereby facilitating quicker decision-making and problem identification.

The Agilent 35670A employs advanced Fast Fourier Transform (FFT) algorithms, which provide high-resolution spectral analysis. This feature is essential for engineers needing to identify frequency components in complex signals, making it particularly useful in the fields of acoustics and mechanical engineering. The analyzer supports various types of measurements, such as magnitude and phase, enabling users to delve deeply into their data.

Another key technology embedded in the Agilent 35670A is its ability to perform multi-channel measurements. The instrument can connect to a variety of external sensors and testing devices, making it a flexible choice for users who need to analyze multiple signals simultaneously. This multi-channel feature is particularly advantageous in automotive testing, aerospace applications, and structural health monitoring.

The device also comes equipped with a user-friendly graphical interface, enhancing the overall user experience. The interface facilitates easy navigation and access to various measurement modes, settings, and data visualizations. Additionally, the Agilent 35670A supports automated measurements, allowing users to save time and reduce human error in repetitive testing scenarios.

Furthermore, the Agilent 35670A offers extensive connectivity options, including GPIB and USB interfaces, making it easy to integrate into existing laboratory setups and automated testing systems. This flexibility ensures that users can adapt the analyzer to their specific needs and workflow processes.

In summary, the Agilent 35670A stands out as a sophisticated dynamic signal analyzer that combines advanced signal processing technologies with user-friendly features. Its real-time analysis, multi-channel capabilities, and extensive connectivity options make it an invaluable tool for professionals in various engineering fields, dedicated to achieving precision in their analyses and solutions.
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