Enable Rohde&Schwarz ZNLE VNA

docs/changes/newsfragments/6796.improved_driver

@@ -0,0 +1 @@
+Enabled use of ZNLE R&S VNA by recognizing the model name in RohdeSchwarzZNBBase, and creating an ZNLE## class as an alias

src/qcodes/instrument_drivers/rohde_schwarz/ZNB.py

@@ -442,11 +442,29 @@
             "ZNB8": -80,
             "ZNB20": -60,
             "ZNB40": -60,
+            "ZNLE3": -10,
+            "ZNLE4": -10,
+            "ZNLE6": -10,
+            "ZNLE14": -10,
+            "ZNLE18": -10,
+        }
+        self._model_max_source_power = {
+            "ZNB4": 25,
+            "ZNB8": 25,
+            "ZNB20": 25,
+            "ZNB40": 25,
+            "ZNLE3": 0,
+            "ZNLE4": 0,
+            "ZNLE6": 0,
+            "ZNLE14": 0,
+            "ZNLE18": 0,
         }
         if model not in self._model_min_source_power.keys():
             raise RuntimeError(f"Unsupported ZNB model: {model}")
         self._min_source_power: float
         self._min_source_power = self._model_min_source_power[model]
+        self._max_source_power: float
+        self._max_source_power = self._model_max_source_power[model]
 
         self.vna_parameter: Parameter = self.add_parameter(
             name="vna_parameter",
@@ -462,7 +480,7 @@
             get_cmd=f"SOUR{n}:POW?",
             set_cmd=f"SOUR{n}:POW {{:.4f}}",
             get_parser=float,
-            vals=vals.Numbers(self._min_source_power, 25),
+            vals=vals.Numbers(self._min_source_power, self._max_source_power),
         )
         """Parameter power"""
         self.bandwidth: Parameter = self.add_parameter(
@@ -1007,10 +1025,10 @@
 
 class RohdeSchwarzZNBBase(VisaInstrument):
     """
-    Base class for QCoDeS driver for the Rohde & Schwarz ZNB8 and ZNB20
-    virtual network analyser. It can probably be extended to ZNB4 and 40
-    without too much work. This class should not be instantiated directly
-    the RohdeSchwarzZNB8 and RohdeSchwarzZNB20 should be used instead.
+    Base class for QCoDeS driver for the Rohde & Schwarz
+    ZNB4, ZNB8, ZNB20, ZNB40, ZNLE3, ZNLE4, ZNLE6, ZNLE14 and ZNLE18.
+    This class should not be instantiated directly
+    the ZNB and ZNLE should be used instead.
 
     Requires FrequencySweep parameter for taking a trace
 
@@ -1057,6 +1075,11 @@
             "ZNB8": (9e3, 8.5e9),
             "ZNB20": (100e3, 20e9),
             "ZNB40": (10e6, 40e9),
+            "ZNLE3": (1e6, 3e9),
+            "ZNLE4": (1e6, 4e9),
+            "ZNLE6": (1e6, 6e9),
+            "ZNLE14": (1e6, 14e9),
+            "ZNLE18": (1e6, 18e9),
         }
         if model not in m_frequency.keys():
             raise RuntimeError(f"Unsupported ZNB model {model}")

src/qcodes/instrument_drivers/rohde_schwarz/__init__.py

@@ -1,3 +1,10 @@
+from ._rohde_schwarz_znle import (
+    RohdeSchwarzZNLE3,
+    RohdeSchwarzZNLE4,
+    RohdeSchwarzZNLE6,
+    RohdeSchwarzZNLE14,
+    RohdeSchwarzZNLE18,
+)
 from .Rohde_Schwarz_ZNB8 import RohdeSchwarzZNB8
 from .Rohde_Schwarz_ZNB20 import RohdeSchwarzZNB20
 from .RTO1000 import (
@@ -17,4 +24,9 @@
     "RohdeSchwarzZNB20",
     "RohdeSchwarzZNBBase",
     "RohdeSchwarzZNBChannel",
+    "RohdeSchwarzZNLE3",
+    "RohdeSchwarzZNLE4",
+    "RohdeSchwarzZNLE6",
+    "RohdeSchwarzZNLE14",
+    "RohdeSchwarzZNLE18",
 ]

src/qcodes/instrument_drivers/rohde_schwarz/_rohde_schwarz_znle.py

@@ -0,0 +1,48 @@
+# Ensuring backwards compatibility
+
+from .ZNB import RohdeSchwarzZNBBase
+
+
+class RohdeSchwarzZNLE3(RohdeSchwarzZNBBase):
+    """
+    QCoDeS driver for Rohde & Schwarz ZNLE3
+
+    """
+
+    pass
+
+
+class RohdeSchwarzZNLE4(RohdeSchwarzZNBBase):
+    """
+    QCoDeS driver for Rohde & Schwarz ZNLE4
+
+    """
+
+    pass
+
+
+class RohdeSchwarzZNLE6(RohdeSchwarzZNBBase):
+    """
+    QCoDeS driver for Rohde & Schwarz ZNLE6
+
+    """
+
+    pass
+
+
+class RohdeSchwarzZNLE14(RohdeSchwarzZNBBase):
+    """
+    QCoDeS driver for Rohde & Schwarz ZNLE14
+
+    """
+
+    pass
+
+
+class RohdeSchwarzZNLE18(RohdeSchwarzZNBBase):
+    """
+    QCoDeS driver for Rohde & Schwarz ZNLE18
+
+    """
+
+    pass