ALPHA-TRX433S Datasheet, PDF (10/14 Pages) rfsolutions.ltd – The Alpha Modules are extremely cost effective but high performance radio modules.

ALPHA RF TRANSCEIVER
ALPHA-TRX433S
ALPHA-TRX915S
TX Configuration Control Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3
1 0 0 1 1 0 0 mp m3 m2 m1 m0 0
2 1 0 POR
p2 p1 p0 9800h
m: select modulation polarity
m2..m0: select frequency deviation:
m3
m2
m1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
p2..p0: select output power
p2
p1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
0
m0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
p0
0
1
0
1
0
1
0
1
frequency deviation [kHz]
15
30
45
60
75
90
105
120
135
150
165
180
195
210
225
240
Output
power[dBm]
0
-3
-6
-9
-12
-15
-18
-21
PLL Setting Command
bit 15 14 13 12 11 10
1 1 0 0 11
987
000
6
5
43
2
1
ob1 ob0 lpx ddy ddit 1
0
POR
bw0 CC67h
ob1-ob0: Microcontroller output clock buffer rise and fall time control.
ob1
ob0
Selected uC CLK frequency
0
0
5 or 10 MHz (recommended)
0
1
3.3 MHz
1
X
2.5 MHz or less
lpx: select low power mode of the crystal oscillator.
lpx
Crystal start-up time (typ) Power consumption (typ)
0
1 ms
620 uA
1
2 ms
460 uA
ddy: phase detector delay enable.
ddi: disables the dithering in the PLL loop.
bw1-bw0: select PLL bandwidth
bw0
Max bit rate [kbps]
Phase noise at 1MHz offset [dBc/Hz]
0
86.2
-107
1
256
-102
DSALPHA-TRX-6 Feb ‘11
©2009 RF Solutions Ltd.
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