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