AA264-87LF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Attenuation Value:	2dB ~ 30dB
Frequency Range:	500MHz ~ 2GHz
Power (Watts):	--
Impedance:	50 Ohms
Package / Case:	16-TSSOP (0.173", 4.40mm Width)

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Attenuators

The AA264-87LF is an attenuator which finds application in a variety of settings where signal attenuation is important and necessary. This attenuator provides benefits and advantages such as a wide bandwidth, low noise and good linearity, as well as high return loss, fast settling time and low group delay. These features make the AA264-87LF an attractive choice for applications in many fields requiring signal attenuation.

Application Field

The AA264-87LF provides an efficient and reliable way to attenuate signals for applications in radio frequency, audio, and video use. This attenuator is commonly used in systems where signal attenuation is needed to balance the signal strength of antennas or other pieces of equipment. It can also be used in applications where signal levels need to be reduced, such as when a low signal level is required to maintain proper signal integrity.In radio frequency applications, the AA264-87LF is used in both military and commercial communications systems. In the military, the attenuator is used for adjusting received signal levels, while in the commercial sector the attenuator is used to reduce power levels to comply with regulations or to improve signal-to-noise ratios.The attenuator is also used in audio applications, for example in mastering studios to balance the levels of audio signals. In video applications, the attenuator is used to balance signal levels between cameras and display devices.

Working Principle

The working principle of the AA264-87LF attenuator is based on the combination of an absorptive and a reflective type attenuator. The absorptive type attenuator is composed of a resistor and an inductor, while the reflective type attenuator consists of a resistor and a capacitor. The two attenuators act together in a cascaded fashion, providing a wide range of levels of attenuation. The absorptive type of attenuator works by absorbing energy from the input signal when the signal is at the proper frequency. The energy is then dissipated as heat and does not reach the output. The reflective type of attenuator, on the other hand, works by reflecting energy from the input signal which interferes with the waves of the input signal, thus reducing the strength of the output signal. The AA264-87LF attenuator also includes an RF detector which enables it to adjust the attenuation level according to the input signal level. This provides a precise way of controlling the reduction of the output signal, depending on the level of the input signal.

Advantages

The main advantages of the AA264-87LF attenuator are its wide bandwidth, low noise and good linearity, as well as its high return loss, fast settling time and low group delay. The combination of the absorptive and reflective type of attenuator provides a wide range of signal frequency attenuation levels, making it suitable for a large variety of applications. The use of an RF detector also ensures that the attenuation level is adjusted according to the input signal level, providing precise control over the strength of the output signal.

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