diff --git a/piel/experimental/models/cables.py b/piel/experimental/models/cables.py
index ee9f9c53..4f3802d4 100644
--- a/piel/experimental/models/cables.py
+++ b/piel/experimental/models/cables.py
@@ -16,7 +16,7 @@ def generic_banana(
             name="OUT",
             domain="DC",
             connector="Male",
-        )
+        ),
     ]
 
     return DCCable(
@@ -26,9 +26,9 @@ def generic_banana(
     )
 
 
-
 def rg164(
     length_m: float,
+    name: str = "RG164",
     **kwargs,
 ) -> CoaxialCable:
     geometry = CoaxialCableGeometryType(
@@ -45,13 +45,14 @@ def rg164(
             name="OUT",
             domain="RF",
             connector="SMA",
-        )
+        ),
     ]
 
     return CoaxialCable(
-        name="RG164",
+        name=name,
         geometry=geometry,
         ports=ports,
+        model="RG164",
         **kwargs,
     )
 
@@ -75,7 +76,7 @@ def generic_sma(
             name="OUT",
             domain="RF",
             connector="SMA",
-        )
+        ),
     ]
 
     return CoaxialCable(
diff --git a/piel/experimental/models/multimeter.py b/piel/experimental/models/multimeter.py
index 415d8dee..e458aa67 100644
--- a/piel/experimental/models/multimeter.py
+++ b/piel/experimental/models/multimeter.py
@@ -31,4 +31,6 @@ def DMM6500(**kwargs) -> Multimeter:
         ),
     ]
 
-    return Multimeter(name="DMM6500", ports=ports, manufacturer="Keithley", **kwargs)
+    return Multimeter(
+        name="DMM6500", ports=ports, manufacturer="Keithley", model="DMM6500", **kwargs
+    )
diff --git a/piel/experimental/models/oscilloscope.py b/piel/experimental/models/oscilloscope.py
index 4b99e67d..63527957 100644
--- a/piel/experimental/models/oscilloscope.py
+++ b/piel/experimental/models/oscilloscope.py
@@ -2,7 +2,9 @@
 from ..types import Oscilloscope
 
 
-def create_two_port_oscilloscope() -> Oscilloscope:
+def create_two_port_oscilloscope(
+    name: str = "two_port_oscilloscope", **kwargs
+) -> Oscilloscope:
     ports = [
         PhysicalPort(
             name="CH1",
@@ -17,12 +19,12 @@ def create_two_port_oscilloscope() -> Oscilloscope:
     ]
 
     return Oscilloscope(
-        name="two_port_oscilloscope",
+        name=name,
         ports=ports,
     )
 
 
-def DPO73304(**kwargs) -> Oscilloscope:
+def DPO73304(name: str = "DPO73304", **kwargs) -> Oscilloscope:
     ports = [
         PhysicalPort(
             name="CH1",
@@ -37,5 +39,5 @@ def DPO73304(**kwargs) -> Oscilloscope:
     ]
 
     return Oscilloscope(
-        name="DPO73304", ports=ports, manufacturer="Tektronix", **kwargs
+        name=name, ports=ports, manufacturer="Tektronix", model="DPO73304", **kwargs
     )
diff --git a/piel/experimental/models/rf_calibration.py b/piel/experimental/models/rf_calibration.py
index ca5413a8..6891bd60 100644
--- a/piel/experimental/models/rf_calibration.py
+++ b/piel/experimental/models/rf_calibration.py
@@ -2,16 +2,16 @@
 
 
 def short_85052D():
-    return Short(name="short_85052D", manufacturer="Agilent")
+    return Short(name="short_85052D", model="85052D", manufacturer="Agilent")
 
 
 def open_85052D():
-    return Open(name="open_85052D", manufacturer="Agilent")
+    return Open(name="open_85052D", model="85052D", manufacturer="Agilent")
 
 
 def load_85052D():
-    return Load(name="load_82052D", manufacturer="Agilent")
+    return Load(name="load_82052D", model="85052D", manufacturer="Agilent")
 
 
 def through_85052D():
-    return Through(name="through_82052D", manufacturer="Agilent")
+    return Through(name="through_82052D", model="85052D", manufacturer="Agilent")
diff --git a/piel/experimental/models/rf_passives.py b/piel/experimental/models/rf_passives.py
index 0d2cfa3e..f8c405e3 100644
--- a/piel/experimental/models/rf_passives.py
+++ b/piel/experimental/models/rf_passives.py
@@ -1,7 +1,12 @@
-from ...types import PhysicalPort, PowerSplitter
+from typing import Optional
+from functools import partial
+from ...types import PhysicalPort, PowerSplitter, BiasTee
 
 
-def create_power_splitter_1to2():
+def create_power_splitter_1to2(name: Optional[str] = None):
+    if name is None:
+        name = "power_splitter_1to2"
+
     ports = [
         PhysicalPort(
             name="IN",
@@ -21,6 +26,62 @@ def create_power_splitter_1to2():
     ]
 
     return PowerSplitter(
-        name="power_splitter_1to2",
+        name=name,
         ports=ports,
     )
+
+
+def create_bias_tee(name: Optional[str] = None):
+    if name is None:
+        name = "bias_tee"
+
+    ports = [
+        PhysicalPort(
+            name="IN_RF",
+            domain="RF",
+            connector="SMA",
+        ),
+        PhysicalPort(
+            name="IN_DC",
+            domain="RF",
+            connector="SMA",
+        ),
+        PhysicalPort(
+            name="OUT",
+            domain="RF",
+            connector="SMA",
+        ),
+    ]
+
+    return BiasTee(
+        name=name,
+        ports=ports,
+    )
+
+
+def create_attenuator(name: Optional[str] = None):
+    if name is None:
+        name = "attenuator"
+
+    ports = [
+        PhysicalPort(
+            name="RF",
+            domain="RF",
+            connector="SMA",
+        ),
+        PhysicalPort(
+            name="OUT",
+            domain="RF",
+            connector="SMA",
+        ),
+    ]
+
+    return BiasTee(
+        name=name,
+        ports=ports,
+    )
+
+
+Picosecond5575A104 = partial(
+    create_bias_tee, manufacturer="Picosecond Pulse Labs", model="5575A104"
+)
diff --git a/piel/experimental/models/sourcemeter.py b/piel/experimental/models/sourcemeter.py
index e5005e9c..185eb2ab 100644
--- a/piel/experimental/models/sourcemeter.py
+++ b/piel/experimental/models/sourcemeter.py
@@ -1,11 +1,21 @@
 from typing import Optional
 from ...types import PhysicalPort
-from ..types import Sourcemeter
+from ..types import Sourcemeter, SourcemeterConfiguration
 
 
-def SMU2450(name: Optional[str] = None,
-            **kwargs) -> Sourcemeter:
-    
+def create_dc_operating_point_configuration(
+    voltage_V: float,
+) -> SourcemeterConfiguration:
+    return SourcemeterConfiguration(voltage_set_V=voltage_V)
+
+
+def create_dc_sweep_configuration(
+    voltage_range_V: tuple[float, float],
+) -> SourcemeterConfiguration:
+    return SourcemeterConfiguration(voltage_range_V=voltage_range_V)
+
+
+def SMU2450(name: Optional[str] = None, **kwargs) -> Sourcemeter:
     if name is None:
         name = "SMU2450"
 
@@ -37,4 +47,6 @@ def SMU2450(name: Optional[str] = None,
         ),
     ]
 
-    return Sourcemeter(name=name, manufacturer="Keithley", ports=ports, **kwargs)
+    return Sourcemeter(
+        name=name, manufacturer="Keithley", model="", ports=ports, **kwargs
+    )
diff --git a/piel/experimental/models/vna.py b/piel/experimental/models/vna.py
index 41f5adbb..eebccf1d 100644
--- a/piel/experimental/models/vna.py
+++ b/piel/experimental/models/vna.py
@@ -2,4 +2,4 @@
 
 
 def E8364A(**kwargs) -> pe.types.VNA:
-    return pe.types.VNA(name="E8364A", manufacturer="Agilent", **kwargs)
+    return pe.types.VNA(name="E8364A", manufacturer="Agilent", model="E8364A", **kwargs)
diff --git a/piel/experimental/models/waveform_generator.py b/piel/experimental/models/waveform_generator.py
index 76749108..0133e354 100644
--- a/piel/experimental/models/waveform_generator.py
+++ b/piel/experimental/models/waveform_generator.py
@@ -1,4 +1,4 @@
-from ...types import PhysicalPort, PulseSource
+from ...types import PhysicalPort, PulseSource, SignalTimeSources
 from ..types import WaveformGenerator, WaveformGeneratorConfiguration
 
 
@@ -38,9 +38,26 @@ def create_one_port_square_wave_waveform_generator(
         name="two_port_oscilloscope",
         ports=ports,
         configuration=configuration,
-        manufacturer="Tektronix",
     )
 
 
-def AWG70001A(**kwargs) -> WaveformGenerator:
-    pass
+def AWG70001A(signal: SignalTimeSources, **kwargs) -> WaveformGenerator:
+    # Configure the waveform generator
+    configuration = WaveformGeneratorConfiguration(signal=signal)
+
+    # Configure the ports
+    ports = [
+        PhysicalPort(
+            name="CH1",
+            domain="RF",
+            connector="SMA",
+        ),
+    ]
+
+    return WaveformGenerator(
+        name="AWG70001A",
+        ports=ports,
+        configuration=configuration,
+        manufacturer="Tektronix",
+        **kwargs
+    )
diff --git a/piel/experimental/types/cryostat.py b/piel/experimental/types/cryostat.py
index 4cbbd456..bbe64a9f 100644
--- a/piel/experimental/types/cryostat.py
+++ b/piel/experimental/types/cryostat.py
@@ -1,3 +1,4 @@
+from typing import Optional
 from ...types import Environment, Component
 
 
@@ -6,7 +7,7 @@ class TemperatureStage(Environment, Component):
     Standard definition for a generic temperature stage.
     """
 
-    surface_area_m2: float  # TODO move to a geometry type.
+    surface_area_m2: Optional[float] = None  # TODO move to a geometry type.
 
 
 class Cryostat(Component):
diff --git a/piel/experimental/types/dc.py b/piel/experimental/types/dc.py
index 78b697f9..f457ddfb 100644
--- a/piel/experimental/types/dc.py
+++ b/piel/experimental/types/dc.py
@@ -8,8 +8,10 @@ class SourcemeterConfiguration(DeviceConfiguration):
     not the experimental setup connectivity.
     """
 
-    current_limit_A: float
-    voltage_limit_V: float
+    voltage_set_V: Optional[float] = None
+    voltage_range_V: Optional[tuple] = None
+    current_limit_A: Optional[float] = None
+    voltage_limit_V: Optional[float] = None
 
 
 class Sourcemeter(Device):
diff --git a/piel/types/__init__.py b/piel/types/__init__.py
index 0b6560ad..f15c1776 100644
--- a/piel/types/__init__.py
+++ b/piel/types/__init__.py
@@ -50,6 +50,7 @@
 
 from .electrical.rf_passives import (
     PowerSplitter,
+    BiasTee,
 )
 
 from .electro_optic import (
@@ -60,7 +61,18 @@
     SwitchFunctionParameter,
     SParameterCollection,
 )
-from .electronic import HVAMetricsType, LNAMetricsType, ElectronicCircuitComponent
+
+from .electronic.core import (
+    ElectronicCircuit,
+    ElectronicChip,
+    ElectronicCircuitComponent,
+)
+from .electronic.amplifier import RFTwoPortAmplifier
+from .electronic.hva import HVAMetricsType, HighVoltageTwoPortAmplifier
+from .electronic.lna import LNAMetricsType, LowNoiseTwoPortAmplifier
+
+from .frequency import FrequencyNetworkModel
+
 from .file_system import ProjectType
 from .integration import CircuitComponent
 from .materials import (
@@ -81,7 +93,6 @@
 from .signal.dc_data import SignalDC, DCSweepData
 
 from .signal.frequency import (
-    SParameterNetwork,
     TwoPortCalibrationNetworkCollection,
 )
 
diff --git a/piel/types/connectivity/physical.py b/piel/types/connectivity/physical.py
index 137e1eab..92509c3b 100644
--- a/piel/types/connectivity/physical.py
+++ b/piel/types/connectivity/physical.py
@@ -39,3 +39,8 @@ class PhysicalComponent(Component):
     """
     The manufacturer of the device.
     """
+
+    model: Optional[str] = None
+    """
+    The model of the device.
+    """
diff --git a/piel/types/electrical/rf_passives.py b/piel/types/electrical/rf_passives.py
index 0495f80f..5593cff1 100644
--- a/piel/types/electrical/rf_passives.py
+++ b/piel/types/electrical/rf_passives.py
@@ -1,5 +1,18 @@
-from ...types import PhysicalComponent
+from ...types import PhysicalComponent, MinimumMaximumType
 
 
-class PowerSplitter(PhysicalComponent):
+class RFComponent(PhysicalComponent):
+    bandwidth: MinimumMaximumType = None
+
+
+class PowerSplitter(RFComponent):
+    pass
+
+
+class BiasTee(RFComponent):
+    pass
+
+
+class Attenuator(RFComponent):
+    nominal_attenuation_dB: float = None
     pass
diff --git a/piel/types/electronic.py b/piel/types/electronic.py
deleted file mode 100644
index 17c6e0dd..00000000
--- a/piel/types/electronic.py
+++ /dev/null
@@ -1,167 +0,0 @@
-"""
-This module defines files models for low-noise amplifier (LNA) and high-voltage amplifier (HVA) metrics.
-It provides structured types using pydantic for validation and includes type aliases for metric ranges.
-"""
-import gdsfactory as gf
-from typing import Optional
-from .core import PielBaseModel, NumericalTypes, MinimumMaximumType
-
-# Type alias for a photonic circuit component in gdsfactory.
-ElectronicCircuitComponent = gf.Component
-"""
-PhotonicCircuitComponent:
-    A type representing a component in a photonic circuit, as defined in the gdsfactory framework.
-    This type is used to handle and manipulate photonic components in circuit designs.
-"""
-
-
-class LNAMetricsType(PielBaseModel):
-    """
-    A model representing the metrics for a low-noise amplifier (LNA).
-
-    Attributes:
-        footprint_mm2 (Optional[NumericalTypes]):
-            The physical footprint of the amplifier in square millimeters.
-        bandwidth_Hz (MinimumMaximumType | None):
-            The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
-        noise_figure (MinimumMaximumType | None):
-            The noise figure of the amplifier, given as a range (min, max).
-        power_consumption_mW (MinimumMaximumType | None):
-            The power consumption of the amplifier in milliwatts, given as a range (min, max).
-        power_gain_dB (MinimumMaximumType | None):
-            The power gain of the amplifier in decibels, given as a range (min, max).
-        supply_voltage_V (Optional[NumericalTypes]):
-            The supply voltage of the amplifier in volts.
-        technology_nm (Optional[NumericalTypes]):
-            The technology node of the amplifier in nanometers.
-        technology_material (Optional[str]):
-            The material technology used in the amplifier.
-    """
-
-    footprint_mm2: Optional[NumericalTypes]
-    """
-    footprint_mm2 (Optional[NumericalTypes]):
-        The physical footprint of the amplifier in square millimeters.
-    """
-
-    bandwidth_Hz: MinimumMaximumType | None
-    """
-    bandwidth_Hz (MinimumMaximumType | None):
-        The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
-    """
-
-    noise_figure: MinimumMaximumType | None
-    """
-    noise_figure (MinimumMaximumType | None):
-        The noise figure of the amplifier, given as a range (min, max).
-    """
-
-    power_consumption_mW: MinimumMaximumType | None
-    """
-    power_consumption_mW (MinimumMaximumType | None):
-        The power consumption of the amplifier in milliwatts, given as a range (min, max).
-    """
-
-    power_gain_dB: MinimumMaximumType | None
-    """
-    power_gain_dB (MinimumMaximumType | None):
-        The power gain of the amplifier in decibels, given as a range (min, max).
-    """
-
-    supply_voltage_V: Optional[NumericalTypes]
-    """
-    supply_voltage_V (Optional[NumericalTypes]):
-        The supply voltage of the amplifier in volts.
-    """
-
-    technology_nm: Optional[NumericalTypes]
-    """
-    technology_nm (Optional[NumericalTypes]):
-        The technology node of the amplifier in nanometers.
-    """
-
-    technology_material: Optional[str]
-    """
-    technology_material (Optional[str]):
-        The material technology used in the amplifier.
-    """
-
-
-class HVAMetricsType(PielBaseModel):
-    """
-    A model representing the metrics for a high-voltage amplifier (HVA).
-
-    Attributes:
-        footprint_mm2 (Optional[NumericalTypes]):
-            The physical footprint of the amplifier in square millimeters.
-        bandwidth_Hz (MinimumMaximumType | None):
-            The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
-        power_added_efficiency (MinimumMaximumType | None):
-            The power added efficiency of the amplifier, given as a range (min, max).
-        power_consumption_mW (MinimumMaximumType | None):
-            The power consumption of the amplifier in milliwatts, given as a range (min, max).
-        power_gain_dB (MinimumMaximumType | None):
-            The power gain of the amplifier in decibels, given as a range (min, max).
-        saturated_power_output_dBm (Optional[NumericalTypes]):
-            The saturated power output of the amplifier in dBm.
-        supply_voltage_V (Optional[NumericalTypes]):
-            The supply voltage of the amplifier in volts.
-        technology_nm (Optional[NumericalTypes]):
-            The technology node of the amplifier in nanometers.
-        technology_material (Optional[str]):
-            The material technology used in the amplifier.
-    """
-
-    footprint_mm2: Optional[NumericalTypes]
-    """
-    footprint_mm2 (Optional[NumericalTypes]):
-        The physical footprint of the amplifier in square millimeters.
-    """
-
-    bandwidth_Hz: MinimumMaximumType | None
-    """
-    bandwidth_Hz (MinimumMaximumType | None):
-        The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
-    """
-
-    power_added_efficiency: MinimumMaximumType | None
-    """
-    power_added_efficiency (MinimumMaximumType | None):
-        The power added efficiency of the amplifier, given as a range (min, max).
-    """
-
-    power_consumption_mW: MinimumMaximumType | None
-    """
-    power_consumption_mW (MinimumMaximumType | None):
-        The power consumption of the amplifier in milliwatts, given as a range (min, max).
-    """
-
-    power_gain_dB: MinimumMaximumType | None
-    """
-    power_gain_dB (MinimumMaximumType | None):
-        The power gain of the amplifier in decibels, given as a range (min, max).
-    """
-
-    saturated_power_output_dBm: Optional[NumericalTypes]
-    """
-    saturated_power_output_dBm (Optional[NumericalTypes]):
-        The saturated power output of the amplifier in dBm.
-    """
-
-    supply_voltage_V: Optional[NumericalTypes]
-    """
-    supply_voltage_V (Optional[NumericalTypes]):
-        The supply voltage of the amplifier in volts.
-    """
-
-    technology_nm: Optional[NumericalTypes]
-    """
-    technology_nm (Optional[NumericalTypes]):
-        The technology node of the amplifier in nanometers.
-    """
-
-    technology_material: Optional[str]
-    """
-    technology_material (Optional[str]):
-        The material technology used in the amplifier.
-    """
diff --git a/piel/types/electronic/__init__.py b/piel/types/electronic/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/piel/types/electronic/amplifier.py b/piel/types/electronic/amplifier.py
new file mode 100644
index 00000000..c1742bd8
--- /dev/null
+++ b/piel/types/electronic/amplifier.py
@@ -0,0 +1,5 @@
+from .core import RFElectronicCircuit
+
+
+class RFTwoPortAmplifier(RFElectronicCircuit):
+    pass
diff --git a/piel/types/electronic/core.py b/piel/types/electronic/core.py
new file mode 100644
index 00000000..408df1da
--- /dev/null
+++ b/piel/types/electronic/core.py
@@ -0,0 +1,31 @@
+"""
+This module defines files models for low-noise amplifier (LNA) and high-voltage amplifier (HVA) metrics.
+It provides structured types using pydantic for validation and includes type aliases for metric ranges.
+"""
+import gdsfactory as gf
+from ..connectivity.physical import PhysicalComponent
+from ..frequency import RFPhysicalComponent
+
+# Type alias for a photonic circuit component in gdsfactory.
+ElectronicCircuitComponent = gf.Component
+"""
+PhotonicCircuitComponent:
+    A type representing a component in a photonic circuit, as defined in the gdsfactory framework.
+    This type is used to handle and manipulate photonic components in circuit designs.
+"""
+
+
+class ElectronicCircuit(PhysicalComponent):
+    pass
+
+
+class RFElectronicCircuit(RFPhysicalComponent):
+    pass
+
+
+class ElectronicChip(PhysicalComponent):
+    """
+    A model representing an electronic chip in a photonic circuit.
+    """
+
+    pass
diff --git a/piel/types/electronic/hva.py b/piel/types/electronic/hva.py
new file mode 100644
index 00000000..31e0ad6b
--- /dev/null
+++ b/piel/types/electronic/hva.py
@@ -0,0 +1,87 @@
+from typing import Optional
+from ..core import PielBaseModel, NumericalTypes, MinimumMaximumType
+from .amplifier import RFTwoPortAmplifier
+
+
+class HVAMetricsType(PielBaseModel):
+    """
+    A model representing the metrics for a high-voltage amplifier (HVA).
+
+    Attributes:
+        footprint_mm2 (Optional[NumericalTypes]):
+            The physical footprint of the amplifier in square millimeters.
+        bandwidth_Hz (MinimumMaximumType | None):
+            The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
+        power_added_efficiency (MinimumMaximumType | None):
+            The power added efficiency of the amplifier, given as a range (min, max).
+        power_consumption_mW (MinimumMaximumType | None):
+            The power consumption of the amplifier in milliwatts, given as a range (min, max).
+        power_gain_dB (MinimumMaximumType | None):
+            The power gain of the amplifier in decibels, given as a range (min, max).
+        saturated_power_output_dBm (Optional[NumericalTypes]):
+            The saturated power output of the amplifier in dBm.
+        supply_voltage_V (Optional[NumericalTypes]):
+            The supply voltage of the amplifier in volts.
+        technology_nm (Optional[NumericalTypes]):
+            The technology node of the amplifier in nanometers.
+        technology_material (Optional[str]):
+            The material technology used in the amplifier.
+    """
+
+    footprint_mm2: Optional[NumericalTypes] = None
+    """
+    footprint_mm2 (Optional[NumericalTypes]):
+        The physical footprint of the amplifier in square millimeters.
+    """
+
+    bandwidth_Hz: MinimumMaximumType | None = None
+    """
+    bandwidth_Hz (MinimumMaximumType | None):
+        The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
+    """
+
+    power_added_efficiency: MinimumMaximumType | None = None
+    """
+    power_added_efficiency (MinimumMaximumType | None):
+        The power added efficiency of the amplifier, given as a range (min, max).
+    """
+
+    power_consumption_mW: MinimumMaximumType | None = None
+    """
+    power_consumption_mW (MinimumMaximumType | None):
+        The power consumption of the amplifier in milliwatts, given as a range (min, max).
+    """
+
+    power_gain_dB: MinimumMaximumType | None = None
+    """
+    power_gain_dB (MinimumMaximumType | None):
+        The power gain of the amplifier in decibels, given as a range (min, max).
+    """
+
+    saturated_power_output_dBm: Optional[NumericalTypes] = None
+    """
+    saturated_power_output_dBm (Optional[NumericalTypes]):
+        The saturated power output of the amplifier in dBm.
+    """
+
+    supply_voltage_V: Optional[NumericalTypes] = None
+    """
+    supply_voltage_V (Optional[NumericalTypes]):
+        The supply voltage of the amplifier in volts.
+    """
+
+    technology_nm: Optional[NumericalTypes] = None
+    """
+    technology_nm (Optional[NumericalTypes]):
+        The technology node of the amplifier in nanometers.
+    """
+
+    technology_material: Optional[str] = None
+    """
+    technology_material (Optional[str]):
+        The material technology used in the amplifier.
+    """
+
+
+class HighVoltageTwoPortAmplifier(RFTwoPortAmplifier):
+    metrics: HVAMetricsType = None
diff --git a/piel/types/electronic/lna.py b/piel/types/electronic/lna.py
new file mode 100644
index 00000000..5686b1f1
--- /dev/null
+++ b/piel/types/electronic/lna.py
@@ -0,0 +1,79 @@
+from typing import Optional
+from ...types import PielBaseModel, NumericalTypes, MinimumMaximumType
+from .amplifier import RFTwoPortAmplifier
+
+
+class LNAMetricsType(PielBaseModel):
+    """
+    A model representing the metrics for a low-noise amplifier (LNA).
+
+    Attributes:
+        footprint_mm2 (Optional[NumericalTypes]):
+            The physical footprint of the amplifier in square millimeters.
+        bandwidth_Hz (MinimumMaximumType | None):
+            The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
+        noise_figure (MinimumMaximumType | None):
+            The noise figure of the amplifier, given as a range (min, max).
+        power_consumption_mW (MinimumMaximumType | None):
+            The power consumption of the amplifier in milliwatts, given as a range (min, max).
+        power_gain_dB (MinimumMaximumType | None):
+            The power gain of the amplifier in decibels, given as a range (min, max).
+        supply_voltage_V (Optional[NumericalTypes]):
+            The supply voltage of the amplifier in volts.
+        technology_nm (Optional[NumericalTypes]):
+            The technology node of the amplifier in nanometers.
+        technology_material (Optional[str]):
+            The material technology used in the amplifier.
+    """
+
+    footprint_mm2: Optional[NumericalTypes] = None
+    """
+    footprint_mm2 (Optional[NumericalTypes]):
+        The physical footprint of the amplifier in square millimeters.
+    """
+
+    bandwidth_Hz: MinimumMaximumType | None = None
+    """
+    bandwidth_Hz (MinimumMaximumType | None):
+        The operational bandwidth of the amplifier in Hertz, given as a range (min, max).
+    """
+
+    noise_figure: MinimumMaximumType | None = None
+    """
+    noise_figure (MinimumMaximumType | None):
+        The noise figure of the amplifier, given as a range (min, max).
+    """
+
+    power_consumption_mW: MinimumMaximumType | None = None
+    """
+    power_consumption_mW (MinimumMaximumType | None):
+        The power consumption of the amplifier in milliwatts, given as a range (min, max).
+    """
+
+    power_gain_dB: MinimumMaximumType | None = None
+    """
+    power_gain_dB (MinimumMaximumType | None):
+        The power gain of the amplifier in decibels, given as a range (min, max).
+    """
+
+    supply_voltage_V: Optional[NumericalTypes] = None
+    """
+    supply_voltage_V (Optional[NumericalTypes]):
+        The supply voltage of the amplifier in volts.
+    """
+
+    technology_nm: Optional[NumericalTypes] = None
+    """
+    technology_nm (Optional[NumericalTypes]):
+        The technology node of the amplifier in nanometers.
+    """
+
+    technology_material: Optional[str] = None
+    """
+    technology_material (Optional[str]):
+        The material technology used in the amplifier.
+    """
+
+
+class LowNoiseTwoPortAmplifier(RFTwoPortAmplifier):
+    metrics: LNAMetricsType = None
diff --git a/piel/types/frequency.py b/piel/types/frequency.py
new file mode 100644
index 00000000..b85c00d5
--- /dev/null
+++ b/piel/types/frequency.py
@@ -0,0 +1,11 @@
+import skrf
+from .connectivity.physical import PhysicalComponent
+
+FrequencyNetworkModel = skrf.Network
+"""
+Corresponds to a container that contains a s-parameter representation.
+"""
+
+
+class RFPhysicalComponent(PhysicalComponent):
+    network: FrequencyNetworkModel = None
diff --git a/piel/types/integration.py b/piel/types/integration.py
index 28708214..b26534d9 100644
--- a/piel/types/integration.py
+++ b/piel/types/integration.py
@@ -1,4 +1,4 @@
-from .electronic import ElectronicCircuitComponent
+from .electronic.core import ElectronicCircuitComponent
 from .photonic import PhotonicCircuitComponent
 
 CircuitComponent = ElectronicCircuitComponent | PhotonicCircuitComponent
diff --git a/piel/types/signal/frequency.py b/piel/types/signal/frequency.py
index 5640fa3e..56f2a592 100644
--- a/piel/types/signal/frequency.py
+++ b/piel/types/signal/frequency.py
@@ -1,11 +1,5 @@
-import skrf
 from ..core import PielBaseModel
-
-
-SParameterNetwork = skrf.Network
-"""
-Corresponds to a container that contains a s-parameter representation.
-"""
+from ..frequency import FrequencyNetworkModel
 
 
 class TwoPortCalibrationNetworkCollection(PielBaseModel):
@@ -13,22 +7,22 @@ class TwoPortCalibrationNetworkCollection(PielBaseModel):
     Two-port representation of the corresponding networks
     """
 
-    through: SParameterNetwork
+    through: FrequencyNetworkModel
     """
     This should correspond to a two-port through network.
     """
 
-    short: SParameterNetwork
+    short: FrequencyNetworkModel
     """
     This should correspond to a two-port short network either reciprocal or non-reciprocal.
     """
 
-    open: SParameterNetwork
+    open: FrequencyNetworkModel
     """
     This should correspond to a two-port open network either reciprocal or non-reciprocal.
     """
 
-    load: SParameterNetwork
+    load: FrequencyNetworkModel
     """
     This should correspond to a two-port load network either reciprocal or non-reciprocal.
     """