diff --git a/_unittest/test_11_Setup.py b/_unittest/test_11_Setup.py
index 9d767b52602..a80faa8e912 100644
--- a/_unittest/test_11_Setup.py
+++ b/_unittest/test_11_Setup.py
@@ -131,6 +131,9 @@ def test_25a_create_parametrics(self):
         assert setup1.add_variation("w2", "0.1mm", 10, 11)
         assert setup1.add_variation("w2", start_point="0.2mm", variation_type="SingleValue")
         assert setup1.add_variation("w1", start_point="0.3mm", end_point=5, step=0.2, variation_type="LinearStep")
+        assert setup1.add_variation("w1", start_point="0.3mm", end_point=5, step=1, variation_type="DecadeCount")
+        assert setup1.add_variation("w1", start_point="0.3mm", end_point=5, step=1, variation_type="OctaveCount")
+        assert setup1.add_variation("w1", start_point="0.3mm", end_point=5, step=1, variation_type="ExponentialCount")
         assert setup1.add_calculation(
             calculation="dB(S(1,1))", ranges={"Freq": "3.5GHz"}, solution="My_HFSS_Setup : LastAdaptive"
         )
diff --git a/pyaedt/modules/DesignXPloration.py b/pyaedt/modules/DesignXPloration.py
index 3dc5ca7df02..3eb3d702a44 100644
--- a/pyaedt/modules/DesignXPloration.py
+++ b/pyaedt/modules/DesignXPloration.py
@@ -894,7 +894,8 @@ def add_variation(self, sweep_var, start_point, end_point=None, step=100, unit=N
         unit : str, optional
             Variation units. Default is `None`.
         variation_type : float or int
-            Variation Type. Admitted values are `"LinearCount"`, `"LinearStep"`, `"LogScale"`, `"SingleValue"`.
+            Variation Type. Admitted values are `"SingleValue", `"LinearCount"`, `"LinearStep"`,
+            `"DecadeCount"`, `"OctaveCount"`, `"ExponentialCount"`.
 
         Returns
         -------
@@ -918,8 +919,12 @@ def add_variation(self, sweep_var, start_point, end_point=None, step=100, unit=N
             sweep_range = "LINC {} {} {}".format(start_point, end_point, step)
         elif variation_type == "LinearStep":
             sweep_range = "LIN {} {} {}".format(start_point, end_point, self._app.value_with_units(step, unit))
-        elif variation_type == "LogScale":
-            sweep_range = "DEC {} {} {}".format(start_point, end_point, self._app.value_with_units(step, unit))
+        elif variation_type == "DecadeCount":
+            sweep_range = "DEC {} {} {}".format(start_point, end_point, step)
+        elif variation_type == "OctaveCount":
+            sweep_range = "OCT {} {} {}".format(start_point, end_point, step)
+        elif variation_type == "ExponentialCount":
+            sweep_range = "ESTP {} {} {}".format(start_point, end_point, step)
         elif variation_type == "SingleValue":
             sweep_range = "{}".format(start_point)
         if not sweep_range: