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-- Symbol names
local names_n =
{
en = "N-channel IGFET transistor",
cs = "Tranzistor IGFET s kanálem N",
sk = "Tranzistor IGFET s kanálom N"
}
local names_p =
{
en = "P-channel IGFET transistor",
cs = "Tranzistor IGFET s kanálem P",
sk = "Tranzistor IGFET s kanálom P"
}
-- Render area in base units (X1, Y1, X2, Y2)
local area = {-2, -1.5, 2, 1.5}
-- Terminal points
local terminals_n = {{-2, 1}, {2, 1}, {2, 0}, {2, -1}}
local terminals_p = {{-2, -1}, {2, 1}, {2, 0}, {2, -1}}
-- Rendering
local render = function (cr)
-- The terminals
cr.move_to (-0.3, 1)
cr.line_to (-0.3, -1)
cr.move_to (0, 1)
cr.line_to (2, 1)
cr.move_to (0, 0)
cr.line_to (2, 0)
cr.move_to (0, -1)
cr.line_to (2, -1)
-- Source, gate, drain
cr.move_to (0, -1.5)
cr.line_to (0, -0.5)
cr.move_to (0, -0.3)
cr.line_to (0, 0.3)
cr.move_to (0, 0.5)
cr.line_to (0, 1.5)
cr.stroke ()
end
local render_n = function (cr)
render (cr)
-- The left-side terminal
cr.move_to (-2, 1)
cr.line_to (-0.3, 1)
-- The arrow
cr.move_to (0.9, -0.4)
cr.line_to (0.4, 0)
cr.line_to (0.9, 0.4)
cr.stroke ()
end
local render_p = function (cr)
render (cr)
-- The left-side terminal
cr.move_to (-2, -1)
cr.line_to (-0.3, -1)
-- The arrow
cr.move_to (0.4, -0.4)
cr.line_to (0.9, 0)
cr.line_to (0.4, 0.4)
cr.stroke ()
end
-- Register the symbols
logdiag.register ("IGFET-N", names_n, area, terminals_n, render_n)
logdiag.register ("IGFET-P", names_p, area, terminals_p, render_p)
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