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- ALPHA, LALPHA, WALPHA, VCR, LVCR,
 WVCR, and IIRAT
 These are impact ionization parameters in HSPICE.  There are no
 WRspice equivalents.  BSIM3 has its own impact ionization model
 which is instead used in most cases.
Stephen R. Whiteley
2025-02-09