Appendix C
HW-XM650/655 Balun Daughter
Cards for Gen 3 RFSoC EVM
Overview
XM650 and XM655 are the RFMC 2.0 add-on cards for use with the Zynq
®
UltraScale+™ RFSoC
Gen 3 ZCU208 evaluaon board. These add-on cards enable ZCU208 connecvity from DAC
and ADC for loopback evaluaon and for instrumentaon use cases. The ZCU208 board
supports eight DACs and eight ADCs. The XM650 and XM655 cards provide connecvity of up
to 16 DACs and 16 ADCs.
• The XM650 add-on card is a DAC to ADC loopback evaluaon with N79 band baluns and
lters, no external connecvity.
• The XM655 add-on card is a full break-out of 16 DAC channels x 16 ADC channels to SMA
connecvity using Carlisle-CoreHC2 assembly connecons.
Base board ZCU208
ADC channels 8
DAC channels 8
Balun XM650: N79 or B46 band with BOM change
XM655: Low/mid/high frequency
Filter XM650: N79 or B46 band with BOM change
XM655: No
Interconnection 2x Samtec LPAM 8x50
Appendix C: HW-XM650/655 Balun Daughter Cards for Gen 3 RFSoC EVM
UG1410 (v1.0) July 8, 2020 www.xilinx.com
ZCU208 Board User Guide 67