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  Home > Pure-play Wafer Foundry > Technology > GaAs Technologies> GaAs pHEMT > 0.25um D-Mode T-Gate PHEMT Power Process
 
0.25um D-Mode T-Gate pHEMT Power Process
   
 

This 0.25um low cost D-Mode T-Gate process has been developed using low cost optical stepper lithography for transceiver components of up to 40 GHz and also for high operating voltage.

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GCS’ 0.25um T-Gate pHEMT features:
  • Low-cost optical stepper lithography process
  • Extremely high ƒmax (>200GHz)
  • Very high breakdown voltage (>20V)
Small Signal Performance
Small Signal Performance
  • fT > 50 GHz
  • fmax > 170 GHz
  • Gmax > 14.5 dB at 30 GHz
Device
Parameters 		Typical
Values

Idss (mA/mm)

270

Imax (mA/mm)

500

Vp (V)

-1

Gm (mS/mm)

350

BVgd (V)

>18