ATT-290M-20-HEX-02

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Attenuators

Attenuators are devices that reduce the magnitude of a signal passing through it. They are used for a variety of applications, including radio frequency shielding and noise reduction. The ATT-290M-20-HEX-02 is a popular attenuator for attenuation of radio waves in high-frequency communications systems.

Application Field

The ATT-290M-20-HEX-02 attenuator is primarily used in high frequency communications systems to reduce the power or amplitude of a received or transmitted signal. It is used for interconnections in wireless communication systems, such as microwave or satellite systems. It is typically installed in an RF shielded box to maintain its performance. It is also useful for signal reduction between antenna and transmitter, or antenna and receiver, applications in radio base station operations.

Working Principle

The ATT-290M-20-HEX-02 attenuator is a hexadecimal rotary attenuator with 20dB of attenuation per turn. It consists of a cylindrical casing and a solid-state rotary switch. Inside the device is a resistor network made up of a combination of metal oxide semiconductor (MOS) devices. The resistor network is incorporated into the circuit, so that when the rotary switch is turned, it adjusts the attenuation level in small increments. The amount of attenuation is determined by the position of the switch and the type of semiconductor device used.

The attenuator\'s output signal passes through the resistors, where it is attenuated before reaching the antenna or receiver. The resistors also help to filter out any undesired signals and reduce noise. The ATT-290M-20-HEX-02 has a low insertion loss, making it ideal for reducing power levels in high-frequency communications systems. The device also has a very low voltage standing wave ratio (VSWR), meaning that the signal will be reflected back to the source with minimal loss.

Conclusion

The ATT-290M-20-HEX-02 attenuator is a popular device for attenuation of radio waves in high-frequency communications systems. The device is designed to reduce the power or amplitude of a signal in small increments, and can be used for signal reduction between antenna and transmitter or antenna and receiver applications in radio base station operations. Its low insertion loss and low voltage standing wave ratio make it an ideal choice for reducing power levels in high-frequency systems.

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