diff --git a/script/phase_scan_dv.py b/script/phase_scan_dv.py
new file mode 100644
index 0000000..ed9f5be
--- /dev/null
+++ b/script/phase_scan_dv.py
@@ -0,0 +1,36 @@
+"""
+Parameters:
+prefix
+"""
+
+prefix = "MINSB03-RSYS"
+start = -175.0
+stop = 180.0
+step = 5.0
+
+
+
+rf_phase_setpoint = Channel(prefix + ":SET-VSUM-PHASE")
+rf_phase_readback = Channel(prefix + ":GET-VSUM-PHASE")
+rf_ampl_readback = Channel(prefix + ":GET-VSUM-AMPLT")
+
+r = lscan(rf_phase_setpoint, [rf_phase_readback, rf_ampl_readback, sim], start, stop, step , latency=0.5)
+
+plot(r.getReadable(2), xdata = r.getReadable(0), title = "data")
+
+#fit(r.getReadable(1))
+
+
+set_return(r.print())
+
+
+"""
+r = lscan(rf_phase, [rf_phase_rb, rf_ampl_rb, sim], -179.0, 180, 10.0, latency=0.2)
+
+plot(r.getReadable(2), xdata = r.getReadable(0), title = "data")
+
+fit(r.getReadable(1))
+
+
+set_return(r.print())
+"""
\ No newline at end of file