HMC468LP3 General Description
The HMC468LP3 is a broadband 3-bit GaAs IC digital attenuator in a low cost leadless surface mount package. Covering DC to 6.0 GHz, the insertion loss is less than 1 dB typical up to 4 GHz. The attenuator bit values are 1 (LSB), 2 and 4 dB for a total attenuation of 7 dB. Attenuation accuracy is excellent at ± 0.4 dB typical step error with an IIP3 of +50 dBm. Three control voltage inputs, toggled between 0 and +5V, are used to select each attenuation state. A single Vdd bias of +5V is required.
HMC468LP3 Maximum Ratings
HMC468LP3 Features
·1 dB LSB Steps to 7 dB
·High IP3: +50 dBm
·+/- 0.25 dB Typical Bit Error
·Single Control Line Per Bit
·Single +5V Supply
·3 mm x 3 mm x 1 mm SMT Package
HMC468LP3 Typical Application
The HMC468LP3 is ideal for:
• Cellular; UMTS/3G Infrastructure
• Fixed Wireless & WLL
• Microwave Radio & VSAT
• Test Equipment

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