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Chapter 3
Device Interface Connections
Break-Out Boards
Dual 100-Pin Break-Out Board
This break-out board is intended for differential testing, however it can also be used for
single-ended signals. For single-ended signals, the data is transmitted on the positive lines.
Figure 3-5
shows this break-out board along with the pin-out diagram for the connectors. Notice
that the parallel I and Q signals are separated by connectors; J1 provides the Q signals and J2
provides the I signals. Serial signals are also provided on the J2 connector.
The VCCIO (selected high logic level voltage) is obtained at J4, while the + 5 volt unfiltered DC
supply is acquired at J3.
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