Module I/O Specifications

A9 Global Test and Demod

From A15 Reference Section

 

20M_REF_A J1(11)

 

 

Wave Shape:

Sine

 

 

Frequency:

20 MHz ± 1 ppm Requires Ext Ref of 1 ppm

 

 

Level: >

0 dBm (500 mVrms)

 

 

Harmonics:

< -25 dBc

 

 

Spurs (> 5 kHz offsets):

< -110 dBc

 

 

Figure 4-3 on page 12-17 shows the expected oscilloscope reading. This signal can also be clearly seen on a spectrum analyzer.

Figure 4-3

Expected Display

 

 

 

 

 

 

Channel 1

=

200.0 mvolts/div

Offset

=

-24.00 volts

Trigger mode:

Edge on positive

 

 

 

 

 

 

 

 

edge on Chan1

Timebase

=

10.0 ns/div

Delay

=

0.0000 s

Trigger Levels

 

Ch. 1 Parameters

 

P-P Volts

= 887.5 volts

Chan1

=

-24.00 mvolts

Rise Time

= 14.810 ns

Fall Time

= 16.770 ns

Holdoff

=

70.000 ns

Frequency

= 20.2347 MHz

Period

= 49.420 ns

 

 

 

+ Width

= 25.510 ns

- Width

= 23.880 ns

 

 

 

Overshoot

= 0.0000 mvolts

Preshoot

= 50.00 mvolts

 

 

 

RMS Volts

= 290.6 mvolts

Duty Cycle

= 51.67%

 

 

 

12-17

Page 146 Page 148
Page 147
Image 147
Agilent Technologies 8922 manual 20MREFA J111, Expected Display
Page 146 Page 148

8922 specifications

Agilent Technologies 8922 is a versatile and robust mobile communication test set, designed to fulfill the demanding requirements of wireless device manufacturers and service providers. Primarily focused on mobile radio communications, the 8922 provides a comprehensive solution for testing a wide array of signaling standards and technologies, making it essential in the rapidly evolving telecommunications landscape.

One of the standout features of the Agilent 8922 is its support for multiple wireless standards, including GSM, GPRS, EDGE, WCDMA, and HSPA. This makes the device an ideal choice for testing mobile devices that operate on different generations of cellular networks. Additionally, the 8922 is equipped with advanced measurement capabilities, allowing users to perform key performance indicators assessments, such as power, modulation quality, and spectral emission analysis, ensuring devices meet stringent regulatory and performance standards.

The 8922 is designed with an intuitive user interface that simplifies the setup and execution of tests. It features a large color display, making it easier for users to view test results and navigate through various functions. The built-in automation capabilities enable seamless integration into production environments, where efficiency and repeatability are crucial for high-volume testing.

Technologically, the Agilent 8922 incorporates advanced signal processing algorithms, which enhance its measurement accuracy and speed. The device's architecture allows for real-time analysis of signals, enabling users to identify issues quickly and efficiently. This is particularly important in the realm of mobile communications, where time-to-market is critical for competitive advantage.

Another significant characteristic of the 8922 is its flexible configuration options. Users can customize the test set with different hardware and software modules to suit specific testing needs. This scalability ensures that the 8922 remains relevant as wireless technologies evolve and new standards emerge.

In conclusion, the Agilent Technologies 8922 is an indispensable tool for professionals engaged in the testing of mobile communications devices. Its broad support for multiple standards, advanced measurement capabilities, user-friendly design, and flexibility make it a top choice in the telecommunications testing community. As the mobile communication industry continues to advance, the 8922 stands out as a leading solution for ensuring that devices meet quality and performance expectations.
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