NRF0433 Datasheet, PDF (10/14 Pages) List of Unclassifed Manufacturers – Single chip 433MHz RF Transceiver

PRODUCT SPECIFICATION
nRF0433 Single chip RF Transceiver
APPLICATION SCHEMATIC
+5V
C5
2.2uF
C2
5.6nF
C1
270pF
R1
27K
PLL FILTER
L1
22nH
C6
100pF
C7
100pF
R2
1M
C3
22pF
X1
4.000 MHz
REFERENCE
C4
22pF
U1
1
2
3
4
5
6
7
8
9
10
XC1
VDD
FILT2
FILT1
VCO1
VCO2
VSS
VDD
DIN
DOUT
XC2
TXEN
VDD
VSS
ANT1
ANT2
VSS
VDD
VSS
RF_PWR
20
19
18
17
16
15
14
13
12
11
nRF0433
Single chip 433MHz RF Transceiver
R3
1M
C8
100pF
C9
100pF
C10
1.2pF
R4
330K aaaaaaaa
C11
1.2pF
J1
Loop antenna
30x50mm
Q=50
DOUT
DIN
TXEN
Figure 7. nRF0433 application Schematic.
Component
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
L1
R1
R2
R3
R4
X1
Description
NP0 ceramic chip capacitor, (PLL loop filter)
X7R ceramic chip capacitor, (PLL loop filter)
NP0 ceramic chip capacitor, (Crystal oscillator)
NP0 ceramic chip capacitor, (Crystal oscillator)
X7R ceramic chip capacitor, (Supply decoupling)
NP0 ceramic chip capacitor, (Supply decoupling)
NP0 ceramic chip capacitor, (Supply decoupling)
NP0 ceramic chip capacitor, (Supply decoupling)
NP0 ceramic chip capacitor, (Supply decoupling)
NP0 ceramic chip capacitor, (Antenna tuning)*
NP0 ceramic chip capacitor, (Antenna tuning)*
VCO inductor, tolerance ±3%, Q>45 @ 433 MHz
Recommended inductor part.no.:
Predan: Part.no.: CS0805-220G
Pulse: Part.no.: PE-0805CD220GTT
Part.no.: PE-0805CM220GTT
Coilcraft: Part.no.: 0805CS-220XGBC
Part.no.: 0805HT-22NTGBC
muRata: Part.no.: LQW1608A22NG00
1/8W chip resistor, (PLL loop filter)
1/8W chip resistor, (Crystal oscillator)
1/8W chip resistor, (Transmitter power setting)
1/8W chip resistor, (Antenna Q reduction)
Crystal
Value
270
5.6
22
22
2.2
100
100
100
100
1.2±0.1
1.2±0.1
22
Units
pF
nF
pF
pF
µF
pF
pF
pF
pF
pF
pF
nH
27
1
1
330
4.000
kΩ
MΩ
MΩ
kΩ
MHz
Table 7. Recommended External Components.
* Capacitors with larger tolerance than specified will result in de-tuning of the antenna
and reduced communication distance.
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway -
Revision: 3.2
Page 10 of 14
Phone [phone] - Fax [phone]
February 2000