chiark / gitweb /
Merge and end branch-hostside-wip-2008-01-25; cvs up -j branch-hostside-wip-2008...
[trains.git] / spice / opmodmac.cir
diff --git a/spice/opmodmac.cir b/spice/opmodmac.cir
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-OPAMP MACRO MODEL, SINGLE-POLE 
-* connections:      non-inverting input    gnd
-*                   |   inverting input    |    vcc 
-*                   |   |   output         |    |
-*                   |   |   |              |    |
-.SUBCKT OPAMP1      1   2   6              20   40
-*3     4
-* INPUT IMPEDANCE
-RIN     1       2       10MEG
-* DC GAIN=100K AND POLE1=100HZ
-* gain, centralise and clamp
-rclah  40      30      10k
-rclal  30      20      10k
-ecent  31      30      1 2      30k
-.model diode d
-vclamph        40      39      1.5
-vclampl 21     20      1.5
-dclamph        31      39      diode
-dclampl 21     31      diode
-
-* first pole: UNITY GAIN = DCGAIN X POLE1 = 10MHZ
-epole   3 0    31 0     1
-RP1     3       4       10
-CP1     4       0       1.5915UF
-* OUTPUT BUFFER AND RESISTANCE
-EBUFFER 5 0     4 0    1
-ROUT    5       6       10
-.ENDS