The Design and Thermal Reliability Analysis of a High-Efficiency K-Band MMIC Medium-Power Amplifier with Multiharmonic Matching

Table 1

Typical DC and RF characteristics of 0.15 μm pHEMT process.

Parameter	Typical value
Pinch-off voltage ()	−1.3 V
Breakdown voltage ()	16 V
Saturated drain current ()	465 mA/mm
Maximum drain current ()	620 mA/mm
Peak transconductance ()	460 mS/mm
Transition frequency ()	90 GHz