an138Title: SPICE-Compatible Op Amp Macro-Model Application Note (AN-138) Author: Analog Devices, Inc. Created Date: 2191999 12:21:13 PMThe Antonov An-38 is a stretched and upgraded version of Antonov's earlier An-28.It is a twin-engined turboprop transport aircraft, desned by the Antonov Desn Bureau in Kyiv,