Merge pull request #74 from quartiq/rs/issue-59/power-measurements

Fixing slope for input/reflected power measurements
quartiq · Oct 2, 2020 · c8b045b · c8b045b
2 parents 9d5020a + 9634b5e
commit c8b045b
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/rf_channel.rs b/src/rf_channel.rs
@@ -468,9 +468,12 @@ impl RfChannel {
 
                     // The input power and reflected power detectors are then passed through an
                     // op-amp with gain 1.5x - this modifies the slope from 35mV/dB to 52.5mV/dB
-                    input_power_transform: LinearTransformation::new(1.5 / 0.035, -35.6 + 8.9),
+                    input_power_transform: LinearTransformation::new(
+                        1.0 / 1.5 / 0.035,
+                        -35.6 + 8.9,
+                    ),
                     reflected_power_transform: LinearTransformation::new(
-                        1.5 / 0.035,
+                        1.0 / 1.5 / 0.035,
                         -35.6 + 19.8 + 10.0,
                     ),