diff --git a/artiq/coredevice/phaser.py b/artiq/coredevice/phaser.py index c6e614a01..b69677500 100644 --- a/artiq/coredevice/phaser.py +++ b/artiq/coredevice/phaser.py @@ -1145,8 +1145,8 @@ class PhaserChannel: Gains are given in units of output full per scale per input full scale. .. note:: Due to inherent constraints of the fixed point datatypes and IIR - filters, the setpoint resolution depends on the selected gains. This is - especially the case for low ``ki`` gains. + filters, the ``x_offset`` (setpoint) resolution depends on the selected gains. + Low ``ki`` gains will lead to a low ``x_offset`` resolution. The transfer function is (up to time discretization and coefficient quantization errors):