HMC641A

Data Sheet 0.1 GHz to 18 GHz, GaAs SP4T Switch HMC641A 2 TO 4 LINE DECODER 15148-001 FEATURES Broadband frequency range: 0.1 GHz to 18 GHz Nonreflective 50 Ω design Low insertion loss: 2.1 dB to 12 GHz High isolation: 42 dB to 12 GHz High input linearity P1dB: 25 dBm typical at VSS = −5 V IP3: 41 dBm typical High power handling at VSS = −5 V 24 dBm through path 23 dBm terminated path Integrated 2 to 4 line decoder 8-pad, 1.92 mm × 1.60 mm × 0.102 mm, CHIP APPLICATIONS Test instrumentation Microwave radios and very small aperture terminals (VSATs) Military radios, radars, and electronic counter measures (ECMs) Broadband telecommunications systems FUNCTIONAL BLOCK DIAGRAM RF1 RF2 HMC641A RFC 50Ω 50Ω GND CTRLA CTRLB 50Ω 50Ω VSS RF4 RF3 Figure 1. GENERAL DESCRIPTION The HMC641A is a nonreflective, single-pole, four-throw (SP4T) switch, manufactured using a gallium arsenide (GaAs) process. This switch typically provides low insertion loss of 2.1 dB and high isolation of 42 dB in broadband frequency range from 0.1 GHz to 18 GHz. The HMC641A includes an on-chip, binary 2 to 4 line decoder that provides control from two logic input lines. The switch operates with a negative supply voltage of −5 V to −3 V and requires two negative logic control voltages. All electrical performance data is acquired with the HMC641A that all RFx pads are connected to by the 50 Ω transmission lines via one 3.0 mil × 0.5 mil ribbon bond of minimal length. Rev. D Document Feedback Informati...