def find_capacitor(capacitance, footprint, device="CAP CER SMD", voltage=None):
if isinstance(capacitance, str):
try:
capacitance = Capacitance(capacitance)
except ValueError:
raise NoGedaSymbolException(capacitance)
if isinstance(capacitance, Capacitance):
capacitance = capacitance._value
if footprint[0:3] == "MY-":
footprint = footprint[3:]
for symbol in gsymlib:
if symbol.device == device and symbol.footprint == footprint:
cap, volt = parse_capacitor(symbol.value)
sym_capacitance = parse_capacitance(cap)
if capacitance == sym_capacitance:
return symbol
raise NoGedaSymbolException
def Fc(self, value):
c1_dev = self.get_elem_by_idx('C1').data['device']
c1_fp = self.get_elem_by_idx('C1').data['footprint']
if c1_fp[0:3] == "MY-":
c1_fp = c1_fp[3:]
allowed_cap_vals = iec60063.gen_vals(self._configdict['Cseries'],
iec60063.cap_ostrs,
self._configdict['Cmin'],
self._configdict['Cmax'])
required_cap_val = 1 / (2 * pi * float(self.R1) * value)
cval = None
for val in allowed_cap_vals:
lastval = cval
cval = electronics.parse_capacitance(val)
if cval >= required_cap_val:
self.get_elem_by_idx('C1').data['value'] = gsymlib.find_capacitor(lastval, c1_fp, c1_dev).value # noqa
break
if cval is None:
raise ValueError
def CFF(self):
elem = self.get_elem_by_idx('CFF')
assert elem.data['device'] in ['CAP CER SMD', 'CAP CER THRU']
return Capacitance(electronics.parse_capacitance(electronics.parse_capacitor(elem.data['value'])[0])) # noqa
def C3(self):
# TODO switch to series.get_type_value if custom series to be supported
elem = self.get_elem_by_idx('C3')
assert elem.data['device'] in ['CAP CER SMD', 'CAP CER THRU']
return electronics.parse_capacitance(electronics.parse_capacitor(elem.data['value'])[0]) # noqa
