[tnet,term,param,def,symb]=mod_npnlarge_u(net)

function [tnet,term,param,def,symb]=mod_npnlarge_u(net)
%
% p1 : beta
% p2 : Is
% p3 : n
% p4 : vT
%
% n1 : B
% n2 : C
% n3 : E
%
%        2
% 1  |_/
%  --|
%    |>
%      \ 3
%
%   1                               2
%     o--+-----+               +--o
%        |     |               |
%      +---+   |              / \
%  Is  | | |   V  Is         / | \  iB*beta
%  --  | v |   -  --         \ v /
% beta +---+   | beta         \ /
%        |     |               |
%        +-----+--->--+--------+
%              4  iB  |
%                     |
%                     o  3
%
%    iD = Is/beta*(exp(vBE/(n*vT)) - 1)
%    iB = Is/beta*exp(vBE/(n*vT))

% t n1 n2 n3 n4 n5 id p1 p2 p3 p4 p5 p6 p7 p8 p9

if ~nargin, net=nan*ones(1,24);end
def=[100 1e-16 1 25e-3];
if isnan(net(8)), net(8)=def(1);end
if isnan(net(9)), net(9)=def(2);end
beta=net(8);
Is=net(9);
n=net(10);
vT=net(11);

tnet=nan*ones(3,24);
tnet(1,1:6)=[11 1 4 Is/beta n vT];
tnet(2,1:6)=[ 6 4 3 2 3 beta];
tnet(3,1:4)=[ 2 1 4 Is/beta];

term={'B','C','E'};
param={'beta','Is','n','vT'};
c=1/2;
symb.patch{1}=c*(-[.3 .2 .2 .3]+j*[.75 .75 -.75 -.75]);  %base plate
symb.patch{2}=c*(([5/4 3/4 3/4]+j*[0 1/5 -1/5])*exp(j*atan2(-3/4,1))-(.25+.25j));    %the arrow
symb.patchcol={[0 0 0],[0 0 0]};
symb.line{1}=c*(-[1 .25]+j*[0 0]);      %base terminal
symb.line{2}=c*([-.25 .75 1]+j*[.25 1 1]);    %collector terminal
symb.line{3}=c*([-.25 .75 1]-j*[.25 1 1]);    %emitter terminal
symb.line{4}=c*1.25*(cos(2*pi*linspace(0,1))+j*sin(2*pi*linspace(0,1)));
symb.linecol={[0 0 0],[0 0 0],[0 0 0],[0 0 0]};
symb.label='Q';
symb.enum=17;
symb.term=c*([-1+0j 1+j 1-j]);        %B, C, E
symb.rotax=[1 1 2 3];
symb.dx=1;
symb.ang=-90;
symb.ortho=1;