HMC346AMS8GE

HMC346AMS8GE is a GaAs MMIC SMT voltage-variable attenuator. This absorptive voltage variable attenuator (VVA) in 8 lead surface-mount packages operating from DC - 8GHz. It features an on-chip reference attenuator for use with an external op-amp to provide simple single voltage attenuation control, 0 to -5V. The device is ideal in designs where an analogue DC control signal must control RF signal levels over a 30dB amplitude range. Applications include AGC circuits and temperature compensation of multiple gain stages in microwave point-to-point and VSAT radios.

• Low phase shift vs. attenuation
• Typical insertion loss is 2.1dB (DC - 8GHz, TA=+25°C, 50 ohm)
• Typical attenuation range is 28dB (DC - 8GHz, TA=+25°C, 50 ohm)
• Typical return loss is 10dB (DC - 8GHz, TA=+25°C, 50 ohm)
• Typical switching characteristics is 8ns (tRISE, tFALL (10/90% RF), TA=+25°C, 50 ohm)
• 8-pin MSOP-EP package
• Operating temperature range from -40 to +85°C

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