CC2420 Chipcon AS, CC2420 Datasheet - Page 19

• Manufacturer Part Number: CC2420
• Description: 2.4 GHz RF Transceiver for IEEE 802.15.4 and ZigBee
• Manufacturer: Chipcon AS

Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
antenna
Folded
dipole
Figure 4. Typical application circuit with differential antenna (folded dipole)
L61
1
2
3
4
5
6
7
8
9
10
11
12
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
GND
RF_P
TXRX_SWITCH
RF_N
GND
AVDD_SW
NC
NC
R451
Transceiver
SmartRF
Power
supply
3.3 V
CC2420
QLP48
7x7
RF
C42
C391
XTAL
®
C381
DVDD_RAM
DVDD1.8
DVDD3.3
FIFOP
SCLK
FIFO
CSn
CCA
SFD
CC2420
NC
SO
SI
36
35
34
33
32
31
30
29
28
27
26
25
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