nRF903 Nordic VLSI, nRF903 Datasheet - Page 2

• Manufacturer Part Number: nRF903
• Description: Multichannel RF Transceiver 433/868/915MHz
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
As a primary application, the transceiver is intended for UHF radio equipment in
compliance with the European Telecommunication Standard Institute (ETSI)
specification EN 300 220-1 and the US Federal Communications Commission (FCC)
standard CFR47, part 15.
*) The external filter may be replaced with a 10nF capacitor at the expense of receiver performance (see page 18)
Nordic VLSI ASA
Revision: 3.1
ANT1
ANT2
nRF903-EVKIT-433
nRF903-EVKIT-868
nRF903-EVKIT-915
nRF903-DEMO
V
28
29
DD
nRF903-IC
R
3
REFERENCE
13
Figure 1. nRF903 block diagram with external components.
XOSC
LNA
-
8, 9, 14,
15, 31
16
PA
Vestre Rosten 81, N-7075 Tiller, Norway
Table 2. nRF903 ordering information.
PFD
and
CP
1, 6, 7, 17, 23,
24, 27, 30, 32
Demonstration kit (4 transceiver units)
C
Suffix designate frequency band
2
90
Evaluation kit (2 test PCBs)
o
2
LOOP FILTER
R
1
FREQ
1/M
C
32 pin TQFP
*2
QhtrÃ!ÂsÃ"!
1
C
22
3
3
f
R
s
=4*f
2
IF
21
10.7MHz Ceramic filter
-
L
4
1
modulator
GFSK-
Phone [phone]
VCO
V
IF-filter
DD
C
decoupl
5
L
2
Transceiver control and
configuration register
20
demod.
GFSK
interface
Serial
unit
25
Dout
-
Din
Q5) 
TQFP32
mux
26
Fax [phone]
1.0
1.0
1.0
1.0
December 2002
A
19
18
12
10
11
C_SENSE
DATA
CFG_CLK
CS
CFG_DATA