NRX1 Datasheet, PDF (3/8 Pages) Radiometrix Ltd – Low cost VHF Narrow Band FM receiver

User interface
47mm
8mm
17mm
NRX1
Radiometrix
12
30.48mm (1.2")
3 4 567
7 holes of 0.7mm dia pin spacing 2.54mm (0.1")
Figure 3: NRX1 pin-out and dimension
1 = RF in
2 = RF gnd
3 = RSSI
4 = 0V
5 = Vcc
6 = AF
7 = RXD
NRX1pin Name Function
1
RF in 50Ω RF output to the antenna
2
RF gnd RF ground
3
RSSI
DC level between 0.5V and 2V; 60dB dynamic range
4
0V
Ground
5
Vcc
5V regulated DC power supply
6
AF
500mVp-p audio. DC coupled, approx 0.8V bias
7
RXD
.5Vp-p logic output of data slicer. Suitable for Biphase codes
Note: Pinout and footprint as RX1 (but larger dimension and lacks Enable pin) and UHF NRX2.
Condensed specifications
Frequency
Frequency stability
Channel spacing
Number of channels
151.3000MHz
169.4125MHz
173.2250MHz
173.2500MHz (other VHF 120-180MHz by special order)
±2.5kHz
25kHz
1
Supply
voltage
Current
2.9 – 15V
10mA
Operating temperature
Size
Spurious radiations
Interface
User
RF
-10 to +60 ^°C (Storage -30 to +70 ^°C)
47 x 17 x 8 mm
Compliant with ETSI EN 300 220-3 and EN 301 489-3
5 pin 0.1" pitch SIL
2 pin 0.1" pitch SIL
Receiver
Sensitivity
image / spurious
blocking
adjacent channel
LO re-radition
Outputs
Power on to valid audio
Power on to stable data out
-120dBm for 12dB SINAD
-60dB (or better)
-86dB (or better)
-70dB
<-65dBm
RSSI, Audio, Data
2ms
10ms (for 50:50 mark / space)
Radiometrix Ltd.
NRX1 receiver data sheet
Page 3