SAR3 Datasheet, PDF (3/6 Pages) Radiometrix Ltd – Multi channel UHF FM Class 1 Social Alarm Receiver

Absolute maximum ratings
Exceeding the values below may cause permanent damage to the module.
Operating temperature
-20°C to +55°C
Storage temperature
-40°C to +100°C
Vcc (pin 8)
-0.3V to +16V
RSSI, AF, RXD (pins 6, 9, 10) -0.1V to +3V
RF IN (pin 1)
±50V DC, +10dBm RF
Performance specifications
Figures apply to standard version @ Vcc=5.0V, temperature +20°C, unless stated.
General
Supply voltage
Supply current
pin
min.
typ. max. units
8
4
5
16
V
8
-
46
55
mA
RF/IF
RF sensitivity for 12dB (S+N/N)
1, 2
-118
-120
-
dBm
RF sensitivity for 1ppm BER
1, 2
-
-115
-
dBm
RSSI range
IF bandwidth
Image rejection (f_RF-21.4MHz)
LO leakage, conducted
Adjacent channel rejection
Blocking
Blocking (relative)
1, 2
-
65
-
dB
-
-
15
-
kHz
1
-
65
-
dB
1
-54
-65
-
dBm
-44
-
-
dBm
-20
-10
-
dBm
100
dB
Baseband
Baseband bandwidth @ -3dB
AF level
DC offset on AF output
Distortion on recovered AF
Load capacitance, AF & RXD
9
0
-
4.5
kHz
9
600
700
800 mV p-p
9
0.65
0.95
1.5
V
9
-
4
6
%
9
-
-
100
pF
Dynamic Timing
Rx power up with signal present
Power up to valid RSSI, t_PU-RSSI
8
-
Power up to stable data, t_PU-data
10
-
Signal applied with Rx on
RSSI response time (rise/fall)
Signal to stable data, t_sig-data
1, 6
-
10
-
40
55
ms
40
55
ms
1
-
ms
1
-
ms
Note: 1. For received signal with ±3kHz FM deviation 1kHz tone
2. Typical figures are for signal at centre frequency
notes
1, 2
1, 2
1
1, 2
Radiometrix Ltd
SAR3 Data Sheet
page 3