From 448080e71d5dbb06f35093645e13e710fc2d37d4 Mon Sep 17 00:00:00 2001
From: Tim Ballance <t.g.ballance@gmail.com>
Date: Fri, 4 Oct 2019 10:23:03 +0100
Subject: [PATCH] Fix ad9910 ram mode asf scale error

RAM mode amplitude to ASF conversion should be << 18 rather than << 16
---
 artiq/coredevice/ad9910.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/ad9910.py b/artiq/coredevice/ad9910.py
index 2ef65ae8e..44cd621a4 100644
--- a/artiq/coredevice/ad9910.py
+++ b/artiq/coredevice/ad9910.py
@@ -588,7 +588,7 @@ class AD9910:
             Suitable for :meth:`write_ram`.
         """
         for i in range(len(ram)):
-            ram[i] = self.amplitude_to_asf(amplitude[i]) << 16
+            ram[i] = self.amplitude_to_asf(amplitude[i]) << 18
 
     @portable(flags={"fast-math"})
     def turns_amplitude_to_ram(self, turns, amplitude, ram):