Absolute maximum ratings
Exceeding the values given below may cause permanent damage to the module.
Operating temperature
Storage temperature
NTX2
Vcc, TXD (pins 5,7)
En (pin 4)
RF out (pin 2)
NRX2
Vcc, RXD (pins 7,9)
En, RSSI, AF (pins 4,5,8)
RF in (pin 1)
-10°C to +60°C
-30°C to +70°C
-0.3V to +16.0V
-0.3V to +Vcc V
±50V
@ <10MHz, +20dBm @ >10MHz
-0.3V to +16.0V
-0.3V to +Vcc V
±50V
@ <10MHz, +13dBm @ >10MHz
Performance specifications: NTX2 transmitter
(Vcc = 3V / temperature = 20
°
C unless stated)
General
DC supply
Supply voltage
TX Supply current
Antenna pin impedance
RF
RF centre frequency
NTX2-434.650-10
NTX2-434.075-10
NTX2-458.700-10
Channel spacing
Number of channels
RF power output
Spurious emissions
Adjacent channel TX power
Frequency accuracy
FM deviation (peak)
Baseband
Modulation type
Modulation bandwidth @ -3dB
TXD input level (logic low)
TXD input level (logic high)
Distortion
Dynamic timing
TX Enable to full RF
pin
5
5
2
min.
2.9
-
-
434.650
434.075
458.700
25
1
10
-
-37
-
±3.0
FSK
-
0
3.0
TBA
-
typ.
3.0
18
50
max.
15
-
-
-
units
V
mA
Ω
MHz
1
notes
2
2
-
-
9
-
-
-
±2.5
-
0
-
-
-
-
11
-40
-
±2.5
±3.5
-
5
-
-
kHz
dBm
dBm
dBm
kHz
kHz
2
3
4
F3D
kHz
V
V
%
ms
5
5
6
7
7
-
5
Notes:
1.
2.
3.
4.
5.
6.
Available in 25kHz channel steps on other custom frequencies in 433MHz/458MHz band
Measured into 50Ω resistive load.
Total over full supply and temperature range.
With 0V – 3.0V modulation input.
To achieve specified FM deviation.
For 1V
pk-pk
signal biased at 1.4V
Radiometrix Ltd.,
NTX2/NRX2 data sheet
Page 4
RADIOMETRIX [ RADIOMETRIX LTD ]
