ALPHA-TX Datasheet, PDF (12/16 Pages) List of Unclassifed Manufacturers – ALPHA RF MODULES

ALPHA RF MODULES
ALPHA-TX
ALPHA-RX
i2..i0:select baseband bandwidth
i2 i1 i0 Baseband Bandwidth [kHz]
0 0 0 reserved
0 0 1 400
0 1 0 340
0 1 1 270
1 0 0 200
1 0 1 134
1 1 0 67
1 1 1 reserved
dc：Disable signal output of CLK pin
．3 Frequency Setting Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 0 1 0 f11 f10 f9 f8 f7 f6 f5 f4 f3 f2 f1 f0 A680h
f11..f0: Set operation frequency
315band: Fc=310+F*0.0025 MHz
433band: Fc=430+F*0.0025 MHz
868band: Fc=860+F*0.0050 MHz
915band: Fc=900+F*0.0075 MHz
Fc is carrier frequency, F is frequency parameter and 36≤F≤3903
．4 Receiver Setting 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 0 0 d1 d0 g1 g0 r2 r1 r0 en C0C1h
d1..d0: select VDI source
d1 d0 VDI output
0 0 Digital RSSI output(DRSSI)
0 1 Data quality detection output (DQD)
1 0 Clock recovery lock output
1 1 Always on
g1..g0: select LNA gain
g1 g0 LNA gain (dBm)
000
0 1 -14
1 0 -6
1 1 -20
DSALPHA-3 Jul 09
©2009 RF Solutions Ltd.
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