Amplifiers: 5B47-J-02-NI application field and working principle

The 5B47-J-02-NI amplifier is a sophisticated and versatile noise figure and gain meter, designed to provide accurate measurements of noise figure and gain in a compact two-piece design. This amplifier is ideal for a wide range of applications including laboratory testing, engineering design, satellite and terrestrial radio, broadcast and home theater, cell phone and GPS, etc. The meter is also suitable for characterizing and measuring other performance parameters such as noise floor, harmonic distortion, third order intermodulation, second harmonic distortion, spurious rejection, etc.

Design and Construction

The 5B47-J-02-NI is a physically compact and light weight unit that is equally suited for portable or benchtop use. It consists of two main parts, a low-noise base plate amplifier and a versatile control unit. The base plate amplifier features micro-strip circuitry with Class-AB metered gain and a flat response up to 12GHz. The control unit features wide-band signal mapping, spectrum analysis for spurious frequency content, digital control instrumentation, and a host of other features that make this unit an ideal choice for a variety of measurement and characterization applications.

Characterization and Measurement

The 5B47-J-02-NI provides a complete set of linear characterization and measurement features for evaluating the noise figure, gain, nonlinear distortion, and signal blocking characteristics of a system or device. It also has the capability to generate and analyze several useful parameters, such as the signal-to-noise ratio, attenuation, dynamic range, and more. This provides the engineer or technician the ability to accurately diagnose various problems related to the system or device.

Uses

The 5B47-J-02-NI is capable of precision measurements of noise figure, gain, and other parameters for a range of applications. It is an ideal tool for laboratory testing, engineering designs, satellite and terrestrial radio, broadcast and home theater systems, cell phone and GPS signals, among other signals. The amplifier also provides a complete set of powerful control instrumentation features that enable more accurate diagnosis of problems in a system or device.

Conclusion

The 5B47-J-02-NI amplifier is an extremely versatile noise figure and gain meter designed to provide accurate measurements and characterization across a wide range of applications. The micro-strip circuitry creates a flat response up to 12GHz and the digital control instrumentation offers powerful diagnostics for identifying signal-related issues in a device or system. The characteristics and features of the 5B47-J-02-NI make it a great choice for a variety of laboratory and engineering applications.