Hittite Microwave HMC466LP4 MMIC VCO w/BUFFER AMPLIFIER 6.1-6.72 GHz QFN24 4x4mm You are buying 1pc Hittite Microwave HMC466LP4 MMIC VCO w/BUFFER AMPLIFIER 6.1-6.72 GHz. The HMC466LP4 & HMC466LP4E are GaAs InGaP. Heterojunction Bipolar Transistor (HBT) MMIC VCOs. Covering 6.1 to 6.72 GHz, the VCO’s phase noise. byJuly 4, 2026