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Form the basic material of RF/microwave power attenuators are resistive materials. Resistor Attenuator is usually a Basic form, which form is lumped parameter attenuators attenuators resistance networks. Through a certain process material into the different resistance-Band RF/microwave circuit structure formed in the corresponding frequency attenuator.
If it is a high power attenuator, the volume must be increased, the key is a thermal design. With the development of electronic technology, quick adjust Attenuator is used on many occasions. There are two ways to implement this Attenuator is usually, a semiconductor low power variable attenuator, such as PIN tube or FET Mmic attenuator; second, switching control of resistive attenuation network switch is an electronic switch, can also be a radio relay.