EV9800 Datasheet, PDF (19/25 Pages) CML Microcircuits – Evaluation Kit

Evaluation Kit User Manual for CMX980A
1.6.4.4 Receive
Invoked from the menu bar once main panel is open.
EV9800
•
Receive Path: Indication and adjustment of Gain and Offset values. The Rx anti-alias filters can be
selected. There is also an indication of the I and Q vernier settings.
•
Error Mask: Tick the box to un-mask the Rx path error status bits. The total number of errors for un-
masked conditions is displayed in the ‘Arithmetic errors’ box when a Rx sequence is completed. The
Rx function will be aborted if the error count reaches 255.
•
Data Format:
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An 8-bit segment value (dividing the unit circle into 256 equal segments) is output for each
sample period.
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The recovered symbol data is output. Only valid if high data rate has been selected from the
main panel.
•
IQ dump. One block of 2048 ∗ 16 bit values from the CMX980A rx data pin is output.
Data is transferred from the DSKplus in 2048-sample or -symbol blocks.
© 1999 Consumer Microcircuits Limited
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UM9800/3