ATT-0225-18-TNC-02

Series:	--
Packaging:	Bulk
Part Status:	Active
Attenuation Value:	18dB
Frequency Range:	0Hz ~ 18GHz
Power (Watts):	2W
Impedance:	50 Ohms
Package / Case:	TNC In-Line Module

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Introduction

Attenuators are electronic devices that reduce the strength of an electrical signal. Among all the types of attenuators, the ATT-0225-18-TNC-02 is a simple, cost-effective, and modular RF attenuator, providing a wide range of attenuation values from 0 to 35 dB in 1 dB increments. These attenuators also have a low insertion loss of <0.5 dB, making them ideal for applications where precise adjustment of the RF signal is required.

Application Fields and Working Principles

The ATT-0225-18-TNC-02 attenuators are used in a variety of applications such as signal distribution systems, radio frequency (RF) amplifiers, and antenna systems. They are also used in amplifying, mixing, and matching circuits. The ATT-0225-18-TNC-02 utilizes a pair of PIN diodes to attenuate the amount of power delivered to the load. The PIN diodes convert the desired change in power into a change in voltage. This voltage then modulates the PIN diode’s impedance, which in turn attenuates the RF signal. The amount of power being attenuated depends on the applied voltage across the PIN diodes. When the voltage is low, the impedance of the PIN diodes is high, resulting in a low amount of power being delivered to the load. When the voltage is high, the impedance of the PIN diodes is low, resulting in a high amount of power being delivered to the load. The advantage of using the ATT-0225-18-TNC-02 attenuators over other types of attenuators is that they are highly linear, meaning that the amount of power being delivered to the load is directly proportional to the applied voltage. This eliminates any distortion of the signal. Additionally, these attenuators are designed to have a low noise figure, making them ideal for low noise applications.

Conclusion

The ATT-0225-18-TNC-02 is a simple and cost-effective RF attenuator that is used in many applications where precise adjustment of the RF signal is needed. It utilizes a pair of PIN diodes to convert the desired change in power into a change in voltage, which in turn modulates the PIN diodes’ impedance, providing the necessary attenuation. The attenuator has a low insertion loss, high linearity, and low noise figure, making it suitable for low-noise and distortion-free applications.

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