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Diffstat (limited to 'src/lib/netlist/macro/nlm_opamp.cpp')
-rw-r--r--src/lib/netlist/macro/nlm_opamp.cpp34
1 files changed, 33 insertions, 1 deletions
diff --git a/src/lib/netlist/macro/nlm_opamp.cpp b/src/lib/netlist/macro/nlm_opamp.cpp
index 08dc5f60b27..146f95b72b4 100644
--- a/src/lib/netlist/macro/nlm_opamp.cpp
+++ b/src/lib/netlist/macro/nlm_opamp.cpp
@@ -52,7 +52,7 @@ static NETLIST_START(opamp_layout_2_13_9_4)
A.GND, /* |4 11| */ NC,
B.N1, /* |5 10| */ B.OUT,
B.PLUS, /* |6 9| */ B.VCC,
- B.MINUS /* |7 8| */ B.N2
+ B.MINUS, /* |7 8| */ B.N2
/* +--------------+ */
)
NET_C(A.GND, B.GND)
@@ -186,6 +186,37 @@ static NETLIST_START(LM747A_DIP)
NETLIST_END()
+static NETLIST_START(LM3900)
+
+ /*
+ * Fast norton opamp model without bandwidth
+ */
+
+ /* Terminal definitions for calling netlists */
+
+ ALIAS(PLUS, R1.1) // Positive input
+ ALIAS(MINUS, R2.1) // Negative input
+ ALIAS(OUT, G1.OP) // Opamp output ...
+ ALIAS(VM, G1.ON) // V- terminal
+ ALIAS(VP, DUMMY.I) // V+ terminal
+
+ DUMMY_INPUT(DUMMY)
+
+ /* The opamp model */
+
+ RES(R1, 1)
+ RES(R2, 1)
+ NET_C(R1.1, G1.IP)
+ NET_C(R2.1, G1.IN)
+ NET_C(R1.2, R2.2, G1.ON)
+ VCVS(G1)
+ PARAM(G1.G, 10000000)
+ //PARAM(G1.RI, 1)
+ PARAM(G1.RO, RES_K(8))
+
+NETLIST_END()
+
+
NETLIST_START(OPAMP_lib)
LOCAL_LIB_ENTRY(opamp_layout_4_4_11)
LOCAL_LIB_ENTRY(opamp_layout_2_8_4)
@@ -209,5 +240,6 @@ NETLIST_START(OPAMP_lib)
LOCAL_LIB_ENTRY(UA741_DIP14)
LOCAL_LIB_ENTRY(LM747_DIP)
LOCAL_LIB_ENTRY(LM747A_DIP)
+ LOCAL_LIB_ENTRY(LM3900)
NETLIST_END()