The HMC478 device is a SiGe, heterojunction bipolar transistor (HBT), gain. module MMIC, SMT amplifier, and operates in the frequency range dc to 4 GHz. These amplifiers can be used as cascaded 50?. These amplifiers provide 22 dB or 23 dB gain, 31 dBm, 32 dBm, or 33 dBm output IP3 (850 MHz), while.
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