PXV1220S-2DBN5-T

Attenuators

PXV1220S-2DBN5-T is an attenuator with excellent performance widely used in electronic equipment. It is one of the most popular attenuators in the current market. In this article, we will discuss the application field and working principle of PXV1220S-2DBN5-T attenuator.

Application Field of PXV1220S-2DBN5-T Attenuator

The PXV1220S-2DBN5-T is a 2-watt, 5-bit + attenuator in a plastic package (EIA-481). It is primarily intended for use in the telecommunication industry, particularly for applications such as analog power dividers. Typical applications for the PXV1220S-2DBN5-T attenuator include frequency dividers, amplifiers, mixers, signal pre-attenuators, base station amplifiers, mobile phone repeaters, and amplifiers for wireless data transmission systems. Additionally, the PXV1220S-2DBN5-T attenuator gives reliable performance in testing systems for the semiconductor industry.

Working Principle of PXV1220S-2DBN5-T Attenuator

The PXV1220S-2DBN5-T attenuator is designed to attenuate signals in the frequency range of 700 MHz to 2500 MHz. The attenuator is constructed from two cascaded PIN diodes with a low loss silicon substrate. The silicon substrate provides an attenuation of up to 20 dB while reducing the insertion loss of the attenuator. The two diodes are biased from a single power supply, which allows the system to operate at low voltage levels. As the input signal increases, the bias current of the PIN diodes will increase, thus increasing the efficiency of the attenuator. By adjusting the bias current, the signal attenuation and attenuation ratio of the attenuator can be adjusted.

Furthermore, the PXV1220S-2DBN5-T attenuator has low levels of reflection and low levels of second harmonic distortion. This is thanks to the high Q factor of the PIN diodes, which allows the attenuator to maintain signal integrity at high frequencies. Additionally, the PXV1220S-2DBN5-T attenuator is designed with EMI/RFI protection, designed to reject interference frequencies from other wireless devices.

Conclusion

The PXV1220S-2DBN5-T attenuator is a highly reliable attenuator that is widely used in telecommunication, semiconductor, and other industries. It is capable of attenuating signals in the frequency range of 700 MHz to 2500 MHz with up to 20dB of attenuation. Additionally, the PXV1220S-2DBN5-T attenuator has a low insertion loss, low levels of reflection, and low levels of second harmonic distortion. All of these features make the PXV1220S-2DBN5-T attenuator an ideal choice for numerous applications.