Custom Real Time I/Q Baseband

Configuring Hardware

2.Press BBG Ref Ext Int to select either external or internal as the bit- clock reference for the data generator.

If external is selected, apply the reference frequency to the rear- panel BASEBAND GEN REF IN connector.

Setting the External Frequency

The BBG reference external frequency is used only when the BBG Ref Ext Int softkey has been set to Ext (external).

1.Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.

Configure Hardware displays a menu where you can set the external BBG reference frequency.

2.Press Ext BBG Ref Freq.

3.Use the numeric keypad to a desired frequency, then press MHz, kHz, or Hz.

To Set the External DATA CLOCK to Receive Input as Either Normal or Symbol

1.Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.

Configure Hardware allows you to access a menu from which you can set the external DATA CLOCK to receive input as either Normal or Symbol.

2.Press Ext Data Clock to select either Normal or Symbol; this setting has no effect in internal clock mode.

•When set to Normal, the DATA CLOCK input connector requires a bit clock.

•When set to Symbol, a one- shot or continuous symbol sync signal must be provided to the SYMBOL SYNC input connector.

To Set the BBG DATA CLOCK to External or Internal

1.Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.

Configure Hardware allows you to access a menu from which you can set the BBG DATA CLOCK to receive input from External or Internal.

2. Press BBG Data Clock Ext Int to select either external or internal.

•When set to Ext (external), the DATA CLOCK connector is used to supply the BBG Data Clock.

•When set to Int (internal), the internal data clock is used.

To Adjust the I/Q Scaling

Adjusting the I/Q Scaling (amplitude of the I/Q outputs) multiplies the I and Q data by the I/Q scaling factor that is selected and can be used to improve the Adjacent Channel Power (ACP). Lower scaling values equate to better ACP. This setting has no effect with MSK or FSK modulation.

1.Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.

Configure Hardware allows you to access a menu from which you can adjust the I/Q Scaling.

2.Press I/Q Scaling, enter a desired I/Q scaling level, and press %.

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Chapter 7

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Agilent Technologies E8267D PSG, E8257D PSG To Set the BBG Data Clock to External or Internal, To Adjust the I/Q Scaling
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E8267D PSG, E8257D PSG specifications

Agilent Technologies, a recognized leader in electronic measurement and communications solutions, offers a comprehensive range of signal generators, including the E8257D PSG (Pulsed Signal Generator) and E8267D PSG. These instruments are engineered to meet the demanding requirements of wireless communication, aerospace, defense, and various research applications.

The E8257D PSG is known for its versatility and reliability. It operates within a frequency range of 250 kHz to 40 GHz, making it suitable for a wide array of applications, from signal generation to vector modulation. With an output power capability of up to +30 dBm, it delivers high-quality signals with exceptional precision. Its low phase noise performance is especially critical for applications such as radar and communication system testing, where signal integrity is paramount.

One of the standout features of the E8257D is its advanced modulation capabilities, including analog and digital modulation schemes. This flexibility allows engineers to simulate real-world communications environments accurately. The PSG also features a built-in arbitrary waveform generator that enables users to create complex waveforms tailored to specific testing needs, providing a significant advantage in research and development.

On the other hand, the Agilent E8267D PSG is designed to cater to the needs of users requiring a combined signal generation and analysis solution. With the capability to generate signals from 250 kHz to 67 GHz, the E8267D is ideal for millimeter-wave applications, as well as testing next-generation wireless technologies.

This model includes features such as enhanced phase noise performance and faster switching speed, which are crucial for signal integrity in sophisticated networks. The instrument's intuitive user interface and powerful software integration facilitate effortless operation and automation, thereby improving workflow efficiency.

Both the E8257D and E8267D PSG instruments incorporate cutting-edge technologies such as low-noise microwave and RF components, as well as digital signal processing capabilities. They provide users with enhanced accuracy and reliability in their measurements.

In summary, Agilent Technologies' E8257D and E8267D PSG signal generators represent the pinnacle of precision in signal generation technology. With their extensive feature sets, advanced modulation capabilities, and robust performance specifications, these instruments are invaluable tools for engineers and researchers working across various high-tech industries.
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