channel: fix transform gains

PR #74 (for #59) got lost
quartiq · Oct 11, 2020 · 8f0686f · 8f0686f
1 parent 619b308
commit 8f0686f
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/settings/channel_settings.rs b/src/settings/channel_settings.rs
@@ -39,11 +39,14 @@ impl BoosterChannelData {
             // All of the power meters are preceded by attenuators which are incorporated in
             // the offset.
             output_power_transform: LinearTransformation::new(1.0 / 0.035, -35.6 + 19.8 + 10.0),
-            reflected_power_transform: LinearTransformation::new(1.5 / 0.035, -35.6 + 19.8 + 10.0),
+            reflected_power_transform: LinearTransformation::new(
+                1.0 / 1.5 / 0.035,
+                -35.6 + 19.8 + 10.0,
+            ),
 
             // 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),
         }
     }