ALPHA-TRX433S Datasheet, PDF (8/14 Pages) rfsolutions.ltd – The Alpha Modules are extremely cost effective but high performance radio modules.

ALPHA RF TRANSCEIVER
ALPHA-TRX433S
ALPHA-TRX915S
d1..d0: select VDI response time
d1 d0 Response
0 0 Fast
0 1 Medium
1 0 Slow
1 1 Always on
g1..g0: select LNA gain
g1 g0 LNA gain (dBm)
000
0 1 -6
1 0 -14
1 1 -20
r2..r0: select DRSSI threshold
r2
r1
r0
RSSIsetth [dBm]
0
0
0
-103
0
0
1
-97
0
1
0
-91
0
1
1
-85
1
0
0
-79
1
0
1
-73
1
1
0
Reserved
1
0
1
Reserved
The actual DRSSI threshold is related to LNA setup: SSIth = RSSIsetth + GLNA.
Data Filter Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 1 0 0 0 0 1 0 al ml 1 s 1 f2 f1 f0 C22Ch
al: Enable clock recovery auto-lock
ml: Enable clock recovery fast mode
s: select data filter type
s
Filter type
0
Digital filter
1
Analog RC filter
f1..f0: Set DQD threshold
DSALPHA-TRX-6 Feb ‘11
©2009 RF Solutions Ltd.
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