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Text File  |  1986-12-01  |  384b  |  10 lines
  1. * National LF355 Operational Amplifier Model
  2. * Rin = 1.e12, Rcm = 2.e12 (est), GBWP = 2.5 Mhz
  3. * Ao = 200 K, Ro = 50, F2 = 4 Mhz (est)
  4. * en = 25 nV/rthz, in = .01 pA/rthz
  5. * 1/f(en) = 100 Hz, 1/f(in) = 0 Hz
  6. .MODEL lf355 1.e12, 2.e12, 2.5e6
  7. +            2.e5, 50., 4.e6
  8. +            25.e-9, .01e-12
  9. +            100., 0.
  10.