Two-stage Cascode Class-AB RF power amplifier: Placer

Placement of GaN on SiC 2 stage RF AMP

original , fixed (hardcoded), SA 1, QP, QP+SA (MNA, Small WireLen, non 0 viol.), 

• QP+SA with adaptive cooling schedule (2.55 WireLen, usual. 0 viol.) 
• add congestion penalty in energy (track overflow significantly reduced,  Bench, Overflow Comp, viz, detail viz)

QP+ILP+PrePass (No A* or SA, viol.) comparison with ACS  detail

Slides fit of SA for RF PA Layout

 Two-stage Cascode Class-AB RF power amplifier targeting 5G n78 (3.5 GHz) in TSMC 28nm RF

Placement

Placement with style

benchmark

pipeline of placement process (comparison with ePlace, RePlAce)