mame/nl_examples/7400_astable.c
2014-02-23 14:57:24 +00:00

33 lines
581 B
C

/*
* 7400_astable.c
*
*/
#include "netlist/devices/net_lib.h"
NETLIST_START(7400_astable)
/*
* Astable multivibrator using two 7400 gates (or inverters)
*
*/
/* Standard stuff */
SOLVER(Solver, 48000)
PARAM(Solver.ACCURACY, 1e-5)
// astable NAND Multivibrator ==> f ~ 1.0 / (3 * R * C)
RES(R1, 4700)
CAP(C1, 0.22e-6)
TTL_7400_NAND(n1,R1.1,R1.1)
TTL_7400_NAND(n2,R1.2,R1.2)
NET_C(n1.Q, R1.2)
NET_C(n2.Q, C1.1)
NET_C(C1.2, R1.1)
LOG(logC12, C1.2)
LOG(logn1Q, n1.Q)
LOG(logn2Q, n2.Q)
NETLIST_END()