GaAs, SPDT Switch, Nonreflective, 0.1 GHz to 20 GHz

The HMC347A is a broadband, nonreflective, gallium arsenide (GaAs), pseudomorphic high electron mobility transistor (pHEMT), single-pole, double throw (SPDT), monolithic microwave integrated circuit (MMIC) chip. The switch operates from 0.1 GHz to 20 GHz with an insertion loss of <2.0 dB and an isolation of >40 dB due to the implementation of on-chip, via hole structures.

The switch operates with two negative control voltage inputs (VCTL = −5 V/0 V) and requires no supply. All electrical performance data is acquired with the RFx pads of the HMC347A connected to 50 Ω transmission lines via one 3.0 mil × 0.5 mil ribbon of minimal length.

Applications

* Test instrumentations

* Microwave radio(s) and very small aperture terminals (VSATs)

* Military radios, radars, electronic counter measure (ECMs)

* Broadband telecommunications systems

* Broadband frequency range: 0.1 GHz to 20 GHz

* Nonreflective, 50 Ω design

* Low insertion loss: 2.0 dB to 20 GHz

* High isolation: 40 dB to 20 GHz

* High input linearity

* Input P1dB: 29 dBm typical

* Input IP3: 45 dBm typical