C2510Fx / CC2511Fx
Figure 12: Application Circuit for CC2511Fx with 3rd Overtone Crystal (excluding supply decoupling
capacitors)
Component
C301
Description
Decoupling capacitor for on-chip voltage regulator to digital part
Crystal loading capacitors (X3)
Crystal loading capacitors (X4)
Crystal loading capacitors (X1)
RF balun DC blocking capacitors
RF balun/matching capacitors
C203/C214
C202/C212/C213
C201/C211
C231/C241
C232/C241
C233/C234
C181/C171
L231/L241
L232
RF LC filter/matching capacitors
Crystal loading capacitors if X2 is used.
RF balun/matching inductors (inexpensive multi-layer type)
RF LC filter inductor (inexpensive multi-layer type)
Crystal inductor
L281
R271
Resistor for internal bias current reference
D+ Pull-up resistor
R264
R262/R263
X1
D+ / D- series resistors for impedance matching
24 - 27 MHz crystal
X2
32.768 kHz crystal, optional
X3
48 MHz crystal (fundamental)
X4
48 MHz crystal (3rd overtone)
Table 28: Overview of External Components (excluding supply decoupling capacitors)
SWRS055D
Page 36 of 243
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
