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This reference design is a 6-bit, 75Ω digital attenuator of IDT with an attenuation range of 31.5 dB. It is known for its excellent accuracy and very low distortion and insertion loss. This design is a typical application of IDT’s F1975 which is used in receivers and transmitters to provide gain control. It has a Glitch Free technology that protects PA or ADC from damage during transitions between attenuation states. Read More

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