NRF2402G Nordic VLSI, NRF2402G Datasheet - Page 28

• Manufacturer Part Number: NRF2402G
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
nRF2402 Single Chip 2.4 GHz Radio Transmitter
Application example
nRF2402 with single ended matching network
1)
2)
Nordic Semiconductor ASA
Revision: 2.1
Component
nRF2402 can operate at several crystal frequencies, ref. the Crystal Spec. chapter.
Self-resonant frequency (SFR) must be > 2.7 GHz
U1
X1
C1
C2
C3
C4
C5
C6
R1
R2
C7
C8
C9
L1
L2
L3
Table 18 Recommended components (BOM) in nRF2402 with antenna matching network
PWR_UP
VDD
CLK
Figure 18 nRF2402 schematic for RF layouts with single ended 50 antenna
DIN
CE
CS
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, NPO
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Capacitor ceramic, 50V, X7R
Resistor
Resistor
nRF2402 transmitter
Crystal, CL = 12pF,
ESR < 100 ohm
Inductor
Inductor
Inductor
Ceramic capacitor, 50V, NP0
Ceramic capacitor, 50V, NP0
Ceramic capacitor, 50V, NP0
-
2)
2)
2)
Description
Vestre Rosten 81, N-7075 Tiller, Norway
1
2
3
4
CE
CS
CLK
DIN
16MHz
X1
C1
22pF
R1
1M
Page 28 of 32
R2
22k
VDD_PA
VSS_PA
U1
NRF2402
nRF2402
ANT2
ANT1
VDD
C2
22pF
12
11
10
9
QFN16 / 4x4
4.0x2.5x0.8
LxWxH =
Size
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
C5
1nF
VDD
C4
2.2nF
-
C6
10nF
Phone [phone]
C3
4.7pF
nRF2402
Value
16
4.7
2.2
1.0
1.0
3.3
5.6
1.0
1.0
4.7
22
22
10
22
10
C7
1.0pF
1)
C8
1.0pF
3.3nH
L1
Tolerance
+/- 30 ppm
± 0.25 pF
L2
10nH
L3
5.6nH
± 0.1 pF
± 0.1 pF
±10%
±10%
±10%
±10%
- Fax [phone]
± 5%
± 5%
± 5%
±5%
±5%
±5%
±1%
March 2006
C9
4.7pF
RF output
Units
MHz
M
k
nH
nH
nH
pF
pF
pF
nF
nF
nF
pF
pF
pF