ALPHA-TRX915S RF Solutions, ALPHA-TRX915S Datasheet - Page 4

• Manufacturer Part Number: ALPHA-TRX915S
• Description: TRANSCEIVER RF ALPHA 5.4V 915MHZ
• Manufacturer: RF Solutions

Specifications of ALPHA-TRX915S

• Frequency: 915MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FM
• Applications: Car Alarms, Remote Sensing, Wireless Security
• Power - Output: -21dbm
• Voltage - Supply: 2.2 V ~ 5.4 V
• Current - Receiving: 13mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -45°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Memory Size: -

DSALPHA-TRX-3
D
D
symbol
I
I
I
I
I
I
V
V
V
V
I
I
V
V
A
A
symbol
f
f
f
f
BW
t
BR
BR
AFC
RS
RS
C
RS
RS
dd_TX_0
dd_TX_PMAX
dd_RX
x
pd
lb
il
ih
ref
LO
LO
LO
lock
lb
lba
il
ih
ol
oh
ARSSI
C
C
C
C
A
A
R
STEP
RESP
range
c
c
c
c
h
h
h
h
a
a
a
a
r
r
r
r
a
a
a
a
parameter
PLL frequency
frequency
(10MHz crystal
used)
frequency
(8MHZ crystal
used)
frequency
(12MHZ crystal
used)
Receiver
bandwidth
PLL lock time
Data rate
Data rate
AFC working range
RSSI accuracy
RSSI range
ARSSI filter
RSSI
programmable step
DRSSI response
time
c
c
c
c
parameter
Supply current
(TX mode, P
Supply current
(TX mode, P
Supply current
(RX mode)
Stand by current
Sleep mode current
Low battery detection
Low battery step
Low battery detection
accuracy
Low level input
High level input
Leakage current
Leakage current
Low level output
High level output
May09
t
t
t
t
e
e
e
e
r
r
r
r
i
i
i
i
s
s
s
s
t
t
t
t
i
i
i
i
c
c
c
c
out
out
= 0dBm)
= P
max
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
received signal
RSSI output high after valid ,
CARRSI=5nF
)
ALPHA RF T
FSK
FSK deviation in the
Remark
433MHz band
915MHz band
433MHz band
915MHz band
433MHz band
915MHz band
Crystal and base band
on
All blocks off
0.1V per step
V
V
I
I
©2009 RF Solutions Ltd.
ol
oh
il
ih
=2mA
=0V
=-2mA
=V
dd
, V
dd
=5.4V
RANSCEIVER
minimum
2.2
0.7*V
-1
-1
V
dd
min
8
430.24
900.72
344.19
720.57
3516.28
1080.8
60
120
180
240
300
360
0.6
-0.4
dd
typical
13
17
21
25
10
13
3 0
0.3
0.5
75
typical
10
67
134
200
270
350
400
20
-106
-102
0.8* df
±5
46
1
6
500
Page 4
FSK
maximum
3 5
5.3
0.3*V
1
1
0.4
max
12
439.75
929.27
351.80
743.41
527.71
1115.1
75
150
225
300
375
450
115.2
256
-100
-95
ALPHA-TRX433S
ALPHA-TRX915S
dd
Unit
MHz
MHz
MHz
MHz
KHz
us
kbps
kbps
dB
dB
nF
dB
us
Unit
mA
mA
mA
mA
uA
uA
V
mV
V
V
uA
uA
V
V