dc1931b DC1931B DC1931B LTM9013-AA Demo Board, 300MHz Digital Pre-Distortion Receiver, Requires DC1371 Demonstration circuit DC1931 is a 300MHz wideband/digital pre-distortion (DPD) receiver subsystem featuring the LTM9013. The DC1931 card is designed to plug into the DC1371 data acquisition demo board. It is configured with an IF highpass filter, designed to provide a corner frequency of approximately 1MHz. Other corner frequencies may be realized by changing a small number of element values on the DC1931; see the LTM9013 data sheet for details. DC1931B