ALPHA-TRX433S Datasheet, PDF (4/14 Pages) rfsolutions.ltd – The Alpha Modules are extremely cost effective but high performance radio modules.

ALPHA RF TRANSCEIVER
ALPHA-TRX433S
ALPHA-TRX915S
DC characteristic
symbol parameter
I_{dd_TX_0}
I_{dd_TX_PMAX}
I_{dd_RX}
Supply current
(TX mode, P_out = 0dBm)
Supply current
(TX mode, P_out = P_max)
Supply current
(RX mode)
I_x
Stand by current
I_pd
Sleep mode current
I_lb
Low battery detection
V_lb
Low battery step
V_lba
Low battery detection
accuracy
V_il
Low level input
V_ih
High level input
I_il
Leakage current
I_ih
Leakage current
V_ol
Low level output
V_oh
High level output
Remark
minimum typical maximum Unit
433MHz band
13
mA
915MHz band
17
433MHz band
21
mA
915MHz band
25
433MHz band
10
mA
915MHz band
Crystal and base band
13
3．0 3．5
mA
on
All blocks off
0.3
uA
0.5
uA
0.1V per step
2.2
5.3
V
75
mV
V_il=0V
V_ih=V_dd, V_dd=5.4V
I_ol=2mA
I_oh=-2mA
0.7*V_dd
-1
-1
V_dd-0.4
0.3*V_dd
V
V
1
uA
1
uA
0.4
V
V
AC characteristic
symbol parameter
f_ref
PLL frequency
frequency
f_LO
(10MHz crystal
used)
frequency
f_LO
(8MHZ crystal
used)
frequency
f_LO
(12MHZ crystal
used)
BW
Receiver
bandwidth
t_lock
PLL lock time
BR
Data rate
BR_A
Data rate
AFC_range AFC working range
RS_A
RS_R
C_ARSSI
RS_STEP
RS_RESP
RSSI accuracy
RSSI range
ARSSI filter
RSSI
programmable step
DRSSI response
time
remark
433 MHz band,2.5KHz step
915 MHz band,7.5KHz step
433 MHz band,2.5KHz step
915 MHz band,7.5KHz step
433 MHz band,2.5KHz step
915 MHz band,7.5KHz step
1
2
3
4
5
6
After 10MHz step hopping,
frequency error <10 kHz
With internal digital
demodulator
With external RC filter
BW=134KHz,BR=1.2kbps,433MHz band
BW=134KHz,BR=1.2kbps,915MHz band
df_FSK FSK deviation in the
received signal
RSSI output high after valid ,
CARRSI=5nF
min
8
430.24
900.72
typical
10
max
12
439.75
929.27
Unit
MHz
MHz
344.19
720.57
351.80
743.41 MHz
3516.28
1080.8
527.71
1115.1 MHz
60
67
75
120
134
150
180
200
225
KHz
240
270
300
300
350
375
360
400
450
20
us
0.6
115.2 kbps
-106
-102
0.8* df_FSK
256
-100
-95
kbps
±5
dB
46
dB
1
nF
6
dB
500
us
DSALPHA-TRX-6 Feb ‘11
©2009 RF Solutions Ltd.
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