def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "wz" not in zeros.keys(
) or gain >= 0 or poles["wp"] <= 0 or zeros["wz"] != 0:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
# Declaring and cleaning
self.results = []
# First, compute possible R2 values based on C1 targetting the Wp value
r1_c1_options = compute_commercial_by_iteration(
ComponentType.Resistor, ComponentType.Capacitor, lambda c1: 1 /
(poles["wp"] * c1), self.error)
# With the given values of R2, targetting K gain, calculates R1
r2_r1_options = compute_commercial_by_iteration(
ComponentType.Resistor,
ComponentType.Resistor,
lambda r1: -gain * r1,
self.error,
fixed_two_values=[r2_option for r2_option, _ in r1_c1_options])
# Collecting results!
self.results = nexpand_component_list(self.results, r2_r1_options,
"R2", "R1")
self.results = nexpand_component_list(self.results, r1_c1_options,
"R1", "C1")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "qp" not in poles.keys() or gain >= 0:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
self.results = []
# Using the gain, we calculate R6, R7 and R8, using that R7 = R8
r8_r6 = compute_commercial_by_iteration(ComponentType.Resistor,
ComponentType.Resistor,
lambda r6: gain * (-r6),
self.error)
r8_r7_r6 = [(r8, r8, r6) for r8, r6 in r8_r6]
# Using R = R2 = R3 and C = C1 = C2 to calculate values
r_c = compute_commercial_by_iteration(
ComponentType.Resistor, ComponentType.Capacitor, lambda c: 1 /
(poles["wp"] * c), self.error)
r2_r3_c1_c2 = [(r, r, c, c) for r, c in r_c]
# Calculate R1 and R4
r1_r2 = compute_commercial_by_iteration(
ComponentType.Resistor,
ComponentType.Resistor,
lambda r2: r2 * poles["qp"],
self.error,
fixed_two_values=[r2 for r2, r3, c1, c2 in r2_r3_c1_c2])
r4_r1 = compute_commercial_by_iteration(
ComponentType.Resistor,
ComponentType.Resistor,
lambda r1: -r1 / gain,
self.error,
fixed_two_values=[r1 for r1, r2 in r1_r2])
self.results = nexpand_component_list(self.results, r4_r1, "R4",
"R1")
self.results = nexpand_component_list(self.results, r1_r2, "R1",
"R2")
self.results = nexpand_component_list(self.results, r2_r3_c1_c2,
"R2", "R3", "C1", "C2")
self.results = nexpand_component_list(self.results, r8_r7_r6, "R8",
"R7", "R6")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "qp" not in poles.keys() or gain != 1:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
# Declaring and cleaning
self.results = []
# Secondly, but using the relationship R1=R2, calculates C1, and C2
c2_c1 = compute_commercial_by_iteration(
ComponentType.Capacitor, ComponentType.Capacitor,
lambda c1: c1 / (4 * poles["qp"]**2), self.error)
# Finally, calculates with the previous C1, C2 values, options for R = R1 = R2
r1_r2_c1_c2 = []
for c2, c1 in c2_c1:
r = 1 / (poles["wp"] * sqrt(c1 * c2))
matches, commercial = matches_commercial_values(
ComponentType.Resistor, r, self.error)
if matches:
r1_r2_c1_c2.append((commercial, commercial, c1, c2))
# Cross selection of possible values of components
self.results = nexpand_component_list(self.results, r1_r2_c1_c2,
"R1", "R2", "C1", "C2")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "qp" not in poles.keys() or gain <= 0:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
self.results = []
# Random values... why not?
r7 = r8 = random_commercial(ComponentType.Resistor)
# Calculate R1 and R4 to verify the gain of the filter
r1_r4 = compute_commercial_by_iteration(ComponentType.Resistor,
ComponentType.Resistor,
lambda r4: gain * r4,
self.error)
# Using the previous R1 values, get the R = R2 = R3 values
r_r1 = compute_commercial_by_iteration(
ComponentType.Resistor,
ComponentType.Resistor,
lambda r1: r1 / poles["qp"],
self.error,
fixed_two_values=[r1 for r1, r4 in r1_r4])
r1_r2_r3 = [(r1, r, r) for r, r1 in r_r1]
# Using that C=C1=C2 then calculate with the previous values of R
c_r = compute_commercial_by_iteration(
ComponentType.Capacitor,
ComponentType.Resistor,
lambda r: 1 / (poles["wp"] * r),
self.error,
fixed_two_values=[r for r, r1 in r_r1])
c1_c2_r2 = [(c, c, r) for c, r in c_r]
self.results = nexpand_component_list(self.results, c1_c2_r2, "C1",
"C2", "R2")
self.results = nexpand_component_list(self.results, r1_r2_r3, "R1",
"R2", "R3")
self.results = nexpand_component_list(self.results, r1_r4, "R1",
"R4")
self.results = nexpand_component_list(self.results, [(r7, r8)],
"R7", "R8")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "qp" not in poles.keys() or gain >= 0:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
self.results = []
# Using the gain calculates posible values for R2 and R5
r2_r5 = compute_commercial_by_iteration(ComponentType.Resistor,
ComponentType.Resistor,
lambda r5: gain * (-r5),
self.error)
# Random values for R7 and R8
r7 = r8 = random_commercial(ComponentType.Resistor)
# Using R2 values, get possible values for R3 and C=C1=C2
r3_c1_c2_r2_r1 = []
for r2, r5 in r2_r5:
r3_c = compute_commercial_by_iteration(
ComponentType.Resistor, ComponentType.Capacitor,
lambda c: 1 / ((poles["wp"]**2) * (c**2) * r2), self.error)
for r3, c in r3_c:
r1 = poles["qp"] * sqrt(r2 * r3)
matches, commercial = matches_commercial_values(
ComponentType.Resistor, r1, self.error)
if matches:
r3_c1_c2_r2_r1.append((r3, c, c, r2, commercial))
# Cross selection
self.results = nexpand_component_list(self.results, r3_c1_c2_r2_r1,
"R3", "C1", "C2", "R2", "R1")
self.results = nexpand_component_list(self.results, r2_r5, "R2",
"R5")
self.results = nexpand_component_list(self.results, [(r7, r8)],
"R7", "R8")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "qp" not in poles.keys() or gain <= 1:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
# Declaring and cleaning
self.results = []
# First, calculate the easy gain resistors
ra_rb = compute_commercial_by_iteration(ComponentType.Resistor,
ComponentType.Resistor,
lambda rb: rb / (gain - 1),
self.error)
# Secondly, but using the relationship C1=C2, calculates R1, and R2
r1_r2 = compute_commercial_by_iteration_list(
ComponentType.Resistor, ComponentType.Resistor, [
lambda r2:
(-r2 *
(4 * (1 - gain) - 1) + r2 * sqrt(1 - 8 * poles["qp"]**2 *
(1 - gain))) /
(8 * poles["qp"]**2), lambda r2:
(-r2 *
(4 * (1 - gain) - 1) - r2 * sqrt(1 - 8 * poles["qp"]**2 *
(1 - gain))) /
(8 * poles["qp"]**2)
], self.error)
# Finally, calculates with the previous R1, R2 values, options for C = C1 = C2
r1_r2_c1_c2 = []
for r1, r2 in r1_r2:
c1 = 1 / (poles["wp"] * sqrt(r1 * r2))
matches, commercial = matches_commercial_values(
ComponentType.Capacitor, c1, self.error)
if matches:
r1_r2_c1_c2.append((r1, r2, commercial, commercial))
# Cross selection of possible values of components
self.results = nexpand_component_list(self.results, ra_rb, "Ra",
"Rb")
self.results = nexpand_component_list(self.results, r1_r2_c1_c2,
"R1", "R2", "C1", "C2")
self.flush_results()
self.choose_random_result()
def design_components(self,
zeros: dict,
poles: dict,
gain: float,
stop_at_first=False) -> dict:
if "wp" not in poles.keys() or "wz" not in zeros.keys(
) or "qp" not in poles.keys() or gain >= 0:
raise CellError(CellErrorCodes.INVALID_PARAMETERS)
else:
self.results = []
# Starts calculating R2=R3 with R5 relationship of gain
r2_r5 = compute_commercial_by_iteration(ComponentType.Resistor,
ComponentType.Resistor,
lambda r5: gain * (-r5),
self.error)
r2_r3_r5 = [(r2, r2, r5) for r2, r5 in r2_r5]
# To get the desired Q value, calculate R1 for that
r1_r2 = compute_commercial_by_iteration(
ComponentType.Resistor,
ComponentType.Resistor,
lambda r2: poles["qp"] * r2,
self.error,
fixed_two_values=[r2 for r2, r3, r5 in r2_r3_r5])
# Calculating the capacitors for the pole frequency
c_r2 = compute_commercial_by_iteration(
ComponentType.Capacitor,
ComponentType.Resistor,
lambda r2: 1 / (r2 * poles["wp"]),
self.error,
fixed_two_values=[r2 for r2, r3, r5 in r2_r3_r5])
c1_c2_r3 = [(c, c, r2) for c, r2 in c_r2]
r1_r4_c1_r3 = []
r7_r8_r6_c1_r3 = []
for c1, c2, r3 in c1_c2_r3:
r4_r1 = compute_commercial_by_iteration(
ComponentType.Resistor, ComponentType.Resistor,
lambda r1: r1 * (((zeros["wz"]**2) * (c1**2) * (r3**2)) /
(-gain)), self.error)
r1_r4_c1_r3 += [(r1, r4, c1, r3) for r4, r1 in r4_r1]
r6_r7 = compute_commercial_by_iteration(
ComponentType.Resistor, ComponentType.Resistor,
lambda r7: r7 * ((zeros["wz"]**2) * (c1**2) * (r3**2) /
(-gain)), self.error)
r7_r8_r6_c1_r3 += [(r7, r7, r6, c1, r3) for r6, r7 in r6_r7]
self.results = nexpand_component_list(self.results, r2_r3_r5, "R2",
"R3", "R5")
self.results = nexpand_component_list(self.results, r1_r2, "R1",
"R2")
self.results = nexpand_component_list(self.results, c1_c2_r3, "C1",
"C2", "R3")
self.results = nexpand_component_list(self.results, r1_r4_c1_r3,
"R1", "R4", "C1", "R3")
self.results = nexpand_component_list(self.results, r7_r8_r6_c1_r3,
"R7", "R8", "R6", "C1", "R3")
self.flush_results()
self.choose_random_result()