36 lines
633 B
C
36 lines
633 B
C
// license:GPL-2.0+
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// copyright-holders:Couriersud
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/*
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* 7400_astable.c
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*
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*/
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#include "netlist/devices/net_lib.h"
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NETLIST_START(7400_astable)
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/*
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* Astable multivibrator using two 7400 gates (or inverters)
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*
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*/
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/* Standard stuff */
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SOLVER(Solver, 48000)
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PARAM(Solver.ACCURACY, 1e-5)
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// astable NAND Multivibrator ==> f ~ 1.0 / (3 * R * C)
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RES(R1, 4700)
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CAP(C1, 0.22e-6)
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TTL_7400_NAND(n1,R1.1,R1.1)
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TTL_7400_NAND(n2,R1.2,R1.2)
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NET_C(n1.Q, R1.2)
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NET_C(n2.Q, C1.1)
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NET_C(C1.2, R1.1)
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LOG(logC12, C1.2)
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LOG(logn1Q, n1.Q)
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LOG(logn2Q, n2.Q)
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NETLIST_END()
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