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// license:BSD-3-Clause
// copyright-holders:Couriersud
#ifndef NLID_FOURTERM_H_
#define NLID_FOURTERM_H_
///
/// \file nlid_fourterm.h
///
#include "nl_base.h"
#include "plib/putil.h"
namespace netlist::analog
{
// ----------------------------------------------------------------------------------------
// nld_VCCS
// ----------------------------------------------------------------------------------------
//
// Voltage controlled current source
//
// IP ---+ +------> OP
// | |
// RI I
// RI => G => I IOut = (V(IP)-V(IN)) * G
// RI I
// | |
// IN ---+ +------< ON
//
// G=1 ==> 1V ==> 1A
//
// RI = 1 / NETLIST_GMIN
//
class nld_VCCS : public base_device_t
{
public:
nld_VCCS(constructor_param_t data, nl_fptype ri = nlconst::magic(1e9))
: base_device_t(data)
, m_G(*this, "G", nlconst::one())
, m_RI(*this, "RI", ri)
, m_OP(*this, "OP", &m_IP, {&m_ON, &m_IN},
NETLIB_DELEGATE(terminal_handler))
, m_ON(*this, "ON", &m_IP, {&m_OP, &m_IN},
NETLIB_DELEGATE(terminal_handler))
, m_IP(*this, "IP", &m_IN, {&m_OP, &m_ON},
NETLIB_DELEGATE(terminal_handler))
, m_IN(*this, "IN", &m_IP, {&m_OP, &m_ON},
NETLIB_DELEGATE(terminal_handler))
, m_OP1(*this, "_OP1", &m_IN, NETLIB_DELEGATE(terminal_handler))
, m_ON1(*this, "_ON1", &m_IN, NETLIB_DELEGATE(terminal_handler))
, m_gfac(nlconst::one())
{
connect(m_OP, m_OP1);
connect(m_ON, m_ON1);
}
NETLIB_RESETI();
param_fp_t m_G;
param_fp_t m_RI;
protected:
NETLIB_HANDLERI(terminal_handler);
NETLIB_UPDATE_PARAMI() { NETLIB_NAME(VCCS)::reset(); }
void set_gfac(nl_fptype g) noexcept { m_gfac = g; }
nl_fptype get_gfac() const noexcept { return m_gfac; }
terminal_t m_OP;
terminal_t m_ON;
terminal_t m_IP;
terminal_t m_IN;
terminal_t m_OP1;
terminal_t m_ON1;
private:
nl_fptype m_gfac;
};
// Limited Current source
class nld_LVCCS : public nld_VCCS
{
public:
nld_LVCCS(constructor_param_t data)
: nld_VCCS(data)
, m_cur_limit(*this, "CURLIM", nlconst::magic(1000.0))
, m_vi(nlconst::zero())
{
}
NETLIB_IS_DYNAMIC(true)
protected:
NETLIB_RESETI();
NETLIB_UPDATE_PARAMI();
NETLIB_UPDATE_TERMINALSI();
private:
param_fp_t m_cur_limit; // current limit
nl_fptype m_vi;
};
// ----------------------------------------------------------------------------------------
// nld_CCCS
// ----------------------------------------------------------------------------------------
//
// Current controlled current source
//
// IP ---+ +------> OP
// | |
// RI I
// RI => G => I IOut = -(V(IP)-V(IN)) / RI * G
// RI I
// | |
// IN ---+ +------< ON
//
// G=1 ==> 1A ==> 1A
//
// RI = 1
//
// If current flows from IP to IN than output current flows from OP to ON
//
// This needs high levels of accuracy to work with 1 Ohm RI.
//
class nld_CCCS : public nld_VCCS
{
public:
nld_CCCS(constructor_param_t data)
: nld_VCCS(data, nlconst::one())
{
set_gfac(-plib::reciprocal(m_RI()));
}
NETLIB_RESETI();
protected:
NETLIB_UPDATE_PARAMI();
};
// ----------------------------------------------------------------------------------------
// nld_VCVS
// ----------------------------------------------------------------------------------------
//
// Voltage controlled voltage source
//
// Parameters:
// G Default: 1
// RO Default: 1 (would be typically 50 for an op-amp
//
// IP ---+ +--+---- OP
// | | |
// RI I RO
// RI => G => I RO V(OP) - V(ON) = (V(IP)-V(IN)) * G
// RI I RO
// | | |
// IN ---+ +--+---- ON
//
// G=1 ==> 1V ==> 1V
//
// RI = 1 / NETLIST_GMIN
//
// Internal GI = G / RO
//
class nld_VCVS : public nld_VCCS
{
public:
nld_VCVS(constructor_param_t data)
: nld_VCCS(data)
, m_RO(*this, "RO", nlconst::one())
, m_OP2(*this, "_OP2", &m_ON2, NETLIB_DELEGATE(terminal_handler))
, m_ON2(*this, "_ON2", &m_OP2, NETLIB_DELEGATE(terminal_handler))
{
connect(m_OP2, m_OP1);
connect(m_ON2, m_ON1);
}
NETLIB_RESETI();
param_fp_t m_RO;
private:
// NETLIB_UPDATE_PARAMI();
NETLIB_HANDLERI(terminal_handler)
{
NETLIB_NAME(VCCS)::terminal_handler();
}
terminal_t m_OP2;
terminal_t m_ON2;
};
// ----------------------------------------------------------------------------------------
// nld_CCVS
// ----------------------------------------------------------------------------------------
//
// Voltage controlled voltage source
//
// Parameters:
// G Default: 1
// RO Default: 1 (would be typically 50 for an op-amp
//
// IP ---+ +--+---- OP
// | | |
// RI I RO
// RI => G => I RO V(OP) - V(ON) = (V(IP)-V(IN)) / RI * G
// RI I RO
// | | |
// IN ---+ +--+---- ON
//
// G=1 ==> 1A ==> 1V
//
// RI = 1
//
// Internal GI = G / RO
//
class nld_CCVS : public nld_VCCS
{
public:
nld_CCVS(constructor_param_t data)
: nld_VCCS(data, nlconst::one())
, m_RO(*this, "RO", nlconst::one())
, m_OP2(*this, "_OP2", &m_ON2, NETLIB_DELEGATE(terminal_handler))
, m_ON2(*this, "_ON2", &m_OP2, NETLIB_DELEGATE(terminal_handler))
{
connect(m_OP2, m_OP1);
connect(m_ON2, m_ON1);
}
NETLIB_RESETI();
param_fp_t m_RO;
private:
// NETLIB_UPDATE_PARAMI();
NETLIB_HANDLERI(terminal_handler)
{
NETLIB_NAME(VCCS)::terminal_handler();
}
terminal_t m_OP2;
terminal_t m_ON2;
};
} // namespace netlist::analog
#endif // NLD_FOURTERM_H_
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