ZHCSME1C August 2018 – June 2021 DS250DF230
PRODUCTION DATA
The DS250DF230 receiver implements a VGA. The VGA assists in the recovery of extremely small signals, working in conjunction with the CTLE to equalize and scale amplitude. The VGA has 1-bit control through Reg_0x8E[0], and the VGA is in the low-gain state (Reg_0x8E[0]=0) by default. In addition to the VGA, the CTLE implements its own gain control through Reg_0x13[5] to adjust the DC amplitude similar to the VGA. For more information on how to configure the VGA and EQ gain, refer to the DS250DF230 Programmer's Guide (SNLU182).