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-rw-r--r--nl_examples/opamp.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/nl_examples/opamp.c b/nl_examples/opamp.c
index 01db8fb4383..ce347c21c64 100644
--- a/nl_examples/opamp.c
+++ b/nl_examples/opamp.c
@@ -11,10 +11,12 @@ NETLIST_START(main)
/* Standard stuff */
CLOCK(clk, 1000) // 1000 Hz
- SOLVER(Solver, 48000)
- //PARAM(Solver.ACCURACY, 1e-3)
+ SOLVER(Solver, 480000)
+ PARAM(Solver.ACCURACY, 1e-10)
+ PARAM(Solver.NR_LOOPS, 30000 )
//PARAM(Solver.CONVERG, 1.0)
- //PARAM(Solver.GS_LOOPS, 30)
+ PARAM(Solver.GS_LOOPS, 30)
+ PARAM(Solver.GS_THRESHOLD, 99)
// Tie up +5 to opamps thought it's not currently needed
// Stay compatible
@@ -47,8 +49,8 @@ NETLIST_START(main)
NET_C(RL.2, GND)
NET_C(RL.1, op1.OUT)
- //LOG(logX, op1.OUT)
- //LOG(logY, clk)
+ LOG(logX, op1.OUT)
+ LOG(logY, clk)
NETLIST_END()
NETLIST_START(opamp)
@@ -73,10 +75,11 @@ NETLIST_START(opamp)
/* The opamp model */
- VCCS(G1)
- PARAM(G1.G, 100) // typical OP-AMP amplification 100 * 1000 = 100000
- RES(RP1, 1000)
- CAP(CP1, 1.59e-6) // <== change to 1.59e-3 for 10Khz bandwidth
+ LVCCS(G1)
+ PARAM(G1.G, 0.0021)
+ PARAM(G1.CURLIM, 0.002)
+ RES(RP1, 1e7)
+ CAP(CP1, 0.00333e-6)
VCVS(EBUF)
PARAM(EBUF.RO, 50)
PARAM(EBUF.G, 1)