TDMA Digital Radio Processor
CMX7161
4
PCB Layout Guidelines and Power Supply Decoupling
C20 10µF
C21 10nF
C22 10nF
C23 10µF
C24 10nF
C25 10nF
C26 22µF
C27 10nF
C28 10nF
C29 10µF
C30 10nF
C31 100nF
Figure 3 CMX7161 Power Supply and De-coupling
Notes:
To achieve good noise performance, AVDD and VBIAS decoupling and protection of the receive path from
extraneous in-band signals is very important. It is recommended that the printed circuit board is laid out
with a ground plane in the CMX7161 analogue area to provide a low impedance connection between the
AVSS pins and the AVDD and VBIAS decoupling capacitors.
2013 CML Microsystems Plc
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