def gain(self, value):
r1_dev = self.get_elem_by_idx('R1').data['device']
r1_fp = self.get_elem_by_idx('R1').data['footprint']
if r1_fp[0:3] == "MY-":
r1_fp = r1_fp[3:]
self.rseries = series.get_series(self._configdict['Rseries'],
'resistor',
start=self._configdict['Rmin'],
end=self._configdict['Rmax'],
device=r1_dev,
footprint=r1_fp)
allowed_res_vals = self.rseries.gen_vals('resistor')
required_res_val = self.gain_to_res(value)
if required_res_val and not isinstance(required_res_val, Resistance):
required_res_val = Resistance(required_res_val)
if required_res_val is None:
self.get_elem_by_idx('R1').data['fillstatus'] = 'DNP'
return
lastval = None
for rval in allowed_res_vals:
if not lastval:
lastval = rval
if rval > required_res_val:
try:
value = self.rseries.get_symbol(lastval).value
except AttributeError:
value = self.rseries.get_symbol(lastval)
self.get_elem_by_idx('R1').data['value'] = value # noqa
break
lastval = rval
def _get_component_series(self, idx, stype):
if stype == 'capacitor':
sstr = 'Cseries'
smin = 'Cmin'
smax = 'Cmax'
elif stype == 'resistor':
sstr = 'Rseries'
smin = 'Rmin'
smax = 'Rmax'
else:
raise NotImplementedError
dev = self.get_elem_by_idx(idx).data['device']
fp = self.get_elem_by_idx(idx).data['footprint']
if fp[0:3] == "MY-":
fp = fp[3:]
return get_series(self._configdict[sstr],
stype,
start=self._configdict[smin],
end=self._configdict[smax],
device=dev,
footprint=fp)
def Fdiff(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:]
cseries = series.get_series(self._configdict['Cseries'],
'capacitor',
start=self._configdict['Cmin'],
end=self._configdict['Cmax'],
device=c1_dev,
footprint=c1_fp)
allowed_cap_vals = cseries.gen_vals('capacitor')
fcm_est = self.target_Fcm
required_cap_val = Capacitance(1 / (2 * pi * float(self.R1) * float(fcm_est)))
cval = None
lastval = None
for cval in allowed_cap_vals:
if not lastval:
lastval = cval
if cval >= required_cap_val:
self.get_elem_by_idx('C2').data['value'] = cseries.get_symbol(lastval).value # noqa
self.get_elem_by_idx('C3').data['value'] = cseries.get_symbol(lastval).value # noqa
break
lastval = cval
if cval is None:
raise ValueError
allowed_cap_vals = cseries.gen_vals('capacitor')
required_cap_val = lastval * 10
for cval in allowed_cap_vals:
if cval >= required_cap_val:
self.get_elem_by_idx('C1').data['value'] = cseries.get_symbol(cval).value # noqa
break
