HP E4440A, E4448A, E4446A, E4445A Viewing a Signal, Setting Reference Level and Center Frequency

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Making a Basic Measurement

Viewing a Signal

1.Press Preset. If the softkeys Factory Preset and User Preset appear, select

Factory Preset.

2.Press System, Reference, then note the 10MHz Out setting. If Off is active (underlined), press the softkey to toggle the reference on.

3.Connect the analyzer’s rear panel 10 MHz OUT (SWITCHED) to the front-panel input.

Setting Reference Level and Center Frequency

NOTE	The display examples in this section are made using various analyzer
	models, you may see some variations depending upon your analyzer.

4.Set the reference level to 10 dBm: Press AMPLITUDE, 10, dBm.

5.Set the center frequency to 30 MHz: Press FREQUENCY, Center Freq, 30, MHz.

The 10 MHz reference signal spectrum appears on the display, as shown in Figure 3-1.

NOTE	The display examples in this book are made using various analyzer
	models, you may see some variations depending upon your analyzer.

Chapter 3

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Contents Getting Started Guide Additional Information Contents Case of Difficulty Installation and Setup Agilent Technologies Performance Spectrum Analyzer PSA Initial Inspection AccessoriesDescription Standard Documentation SetIf There Is a Problem Power Requirements Description Specifications AC Power CordAC Power Cords Battery Information Information Screen Turning on the Analyzer for the First TimeUsing an External Reference Why Aren’t All the Personality Options Loaded in Memory?TIP Firmware RevisionManually Performing an Alignment Running Internal AlignmentsEquipment Printer Setup and OperationPrinter Models Testing Printer Operation Interconnection and SetupTest Equipment and ESD Protecting Against Electrostatic DischargeAdditional Information about ESD Safety Information Front and Rear Panel Features Front Panel Overview Front-Panel Connectors and KeysName Description Name Description Associated Function Keys Display AnnotationsTrigger & sweep modes Trace modes Phase noise optimizationa Rear-Panel Features Always turn off power before plugging in keyboard Key Overview Key Overview Front and Rear Panel Symbols Front and Rear Panel Symbols Making a Basic Measurement Basic Assumption Using Menu Keys Using the Front PanelEntering Data Knob Arrow Keys Numeric Keypad Unit Softkeys Enter KeyCreating a User Preset Presetting the Spectrum AnalyzerDisabling User Preset Setting Reference Level and Center Frequency Viewing a SignalSetting Frequency Span 10 MHz Internal Reference Signal and Associated SpectrumChanging Reference Level Reading Frequency & AmplitudeA Marker on the 10 MHz Peak Valid Marker Count Range Improving Frequency AccuracyIncreasing Marker Frequency Accuracy Viewing Catalogs and Saving Files Viewing Catalogs and Saving Files Locating and viewing files in the catalog File Menu FunctionsCatalog Menu Creating a directory Saving a File Set up the analyzer traceViewing Traces 1 Viewing Traces 1, 2, Save the fileSaving a File File Loaded Loading a fileVerifying Trace Renaming a File Renaming a FilePut a formatted floppy in the a drive Copying a FileDeleting a File Using the Alpha Editor Using the Alpha Editor Options and Accessories Accessories see Ordering Options and AccessoriesOptions see Option Name Description Number Options124 ANE BAB UK6 Name DescriptionAccessories USB/GPIB Cable Gpib CableHP/Agilent 11970 Series Harmonic Mixers HP/Agilent 11974 Series Preselected Millimeter Mixers Static Safe AccessoriesRF and Transient Limiters Case of Difficulty Personnel. To prevent electrical shock, do not remove covers Types of Messages Types of Spectrum Analyzer MessagesCheck the Basics Before Calling Agilent TechnologiesReference, 10 MHz to select On Service Options Read the WarrantyCalling Agilent Technologies Canada Japan Asia Pacific United States Latin America New ZealandEurope Australia Service Tag Returning an Analyzer for ServiceOriginal Packaging Other PackagingReturning an Analyzer for Service Returning an Analyzer for Service Numerics IndexIndex-80

E4443A, E4448A, E4445A, E4446A, E4440A specifications

The HP E4440A, E4446A, E4445A, E4448A, and E4443A are high-performance spectrum analyzers designed to meet the testing and measurement needs of engineers and technicians in various industries. These models offer a combination of advanced technologies and features that enhance their functionality and usability.

Starting with the HP E4440A, this spectrum analyzer is well-known for its wide frequency range and excellent resolution bandwidth, making it ideal for characterizing RF signals. It is capable of analyzing signals from 9 kHz up to 1.5 GHz, providing a comprehensive tool for capturing a wide spectrum of frequencies. The E4440A features a sophisticated built-in signal analysis capability, including demodulation and specialized measurement functions that assist in the evaluation of complex signals.

The E4446A elevates performance further with a frequency range extending up to 6 GHz. This model includes advanced phase noise measurement capabilities, which are crucial for testing communication systems and ensuring signal integrity. Its large color display coupled with a user-friendly interface allows for easy navigation through various measurement settings.

For deeper insights into signal behavior, the HP E4445A stands out with its ability to perform real-time spectrum analysis. This feature allows engineers to capture transient signals and analyze them effectively, which is essential in modern RF design and troubleshooting. The E4445A also supports a range of modulation analysis tools enabling comprehensive testing of communication systems.

Meanwhile, the E4448A is recognized for its high dynamic range and low noise floor. These characteristics are essential for analyzing weak signals in the presence of stronger ones. Its enhanced sensitivity allows engineers to detect signals buried in noise, which is vital for applications such as spectrum monitoring and interference analysis.

Finally, the HP E4443A is tailored for more specialized applications, featuring a frequency range up to 3 GHz. It incorporates advanced digital signal processing techniques that facilitate accurate measurements even in challenging environments. Its portability and robust design make it a preferred choice for field applications, allowing users to perform spectrum analysis where needed.

In summary, the HP E4440A, E4446A, E4445A, E4448A, and E4443A spectrum analyzers offer a rich set of features and technologies that cater to the evolving demands of RF engineers. With their superior performance characteristics, they serve as invaluable tools across a variety of testing and measurement applications in the telecommunications and electronics sectors.