FM TRANSMITTER & RECEIVER
MODULES. (2ND GENERATION)
FM-TX2-XXX
FM-RX2-XXX
Absolute Maximums:
Operating temperature:
-10°C to +55°C
Storage temperature
:
-40°C to +100°C
TX2, all variants
Vcc (pin 3)
Data input (pin 5)
-0.1V to +10.0V
-0.1V to +10.0V
RF out (pin 2)
±50V @ < 10MHz , +20dBm @ > 10MHz
RX2, all variants
Vcc (pin 5)
-0.1V to +10.0V
Data , CD & AF (pin 7,3,6)
-0.1V to + Vcc V
RF input (pin 1)
±50V @ < 10MHz , +13dBm @ > 10MHz
note: Operation of the TX2 above 6V may cause the module to exceed the licensed
power level.
Electrical Performance: TX2 transmitter
pin
min.
typ.
max.
units
notes
DC LEVELS
supply voltage
supply voltage
3
3
2.2
4.0
3.0
5.0
4.0
6.0
V
V
-3V version
-5V version
CURRENT & RF POWER
TX2-418-3V
supply current @ Vcc = 3V
3
2
4
-7
6
-3
10
+3
mA
dBm
RF power
@ Vcc = 3V
1
1
1
1
TX2-418-5V
supply current @ Vcc = 5V
RF power
3
2
4
-7
6
-3
10
+3
mA
dBm
@ Vcc = 5V
TX2-433-3V
supply current @ Vcc = 3V
RF power
3
2
4
0
6
+4
10
+6
mA
dBm
@ Vcc = 3V
TX2-433-5V
supply current @ Vcc = 5V
RF power
3
2
7
+6
10
+9
14
+12
mA
dBm
@ Vcc = 5V
RF
2nd harmonic
Harmonics @ > 1GHz
initial frequency accuracy
overall frequency accuracy
2
2
-
-
-
-65
-50
0
-54
-40
+30
+70
dBc
dBc
kHz
kHz
1
1
-30
-70
-
-
FM deviation (+/-)
-
-
-
-
20
DC
-
25
-
5
-
30
20
10
kHz
kHz
%
Modulation bandwidth @ -3dB
Modulation distortion (THD)
power up time to full RF
-
100
ms
note:
1. Measured into a 50W load.
DS000022
Rev D July ‘99
Ó1999 REG No 277 4001, ENGLAND.
Page 4
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