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06/18/20 Subject to Change without Notice P a g e | 82
7. On the other board (ST100 antenna tuning board), install a 0 ohm, 0402 resistor as shown below, and install a 0
ohm, 0201 resistor onto L21.
8. For both PCBs, if a u.FL connector is not installed on J2 (bottom side of PCB), there will need to be an RF cable
(i.e. semi-rigid RF coax pigtail) soldered to the board so that the VNA RF signal can be connected to the semi-
rigid RF coax pigtail.