STD-302N-R: 434 MHz0 pages
UHF Narrow Band Multi Channel Transceiver
STD-302N-R
434MHz
The UHF FM narrow band semi-duplex radio module STD-302 434MHz is suitable for industrial remote control application and telemetry
application operated in 434MHz ISM band. SAW filter and narrow band technique provides reliable data communication in industrial
applications interference rejection and practical distance range is required. Switching time and channel selecting time become remarkably
faster than a conventional transceiver. Suitable for feedback systems.
Features
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10mW RF power, 3.0V
Programmable RF channel
Receiver sensitivity -119dBm
Excellent vibration & shock resistance / Mechanical durability
R&TTE (EN 300 220) / RoHS compliance
FM narrow band
869, 458, 429, 419, 447, 335 MHz also available
Applications
・ Industrial remote control system
・ Telemetry system
・ Data transmission
General
Specification
Communication form
Half-duplex
Frequency
433.050 to 434.775 MHz
Channel step
25kHz Channel programmable (PLL IC: Fujitsu MB15E03)
Frequency stability
+/- 4 ppm (-20 to +60 degree C)
Data rate
9600 bps max. (Pulse width min.100 us, max. 15 ms)
PLL reference frequency
21.25 MHz (TCXO)
PLL response
30 ms typ. (from PLL setting to LD out)
Modulation
FSK
Supply voltage
3.0 to 5.5 V
Supply current
44 mA (TX)
Operating temp. range
-20 to +60 C
TX/RX switching time
15 ms typ. (DI vs valid DO at the same frequency)
Dimension
30 X 50 X 9 mm
Weight
Transmitter
part
Parameter
25 g
(All ratings at 25 degree C unless otherwise noted)
26 mA (RX)
(Storage -30 to + 75 C )
Parameter
Specification
Transmitter type
PLL synthesizer
RF output power
10 mW at 50 ohm
Deviation
2.75 kHz (PN9, 9600 bps)
DI input level
L = GND, H = 3 V to Vcc
Residual FM noise
0.17 kHz
Spurious emission
< -54 dBm (47M - 74M, 87.5M - 118M, 174M - 230M, 470M - 862MHz)
< -36 dBm (Other frequencies below 1000 MHz)
< -30 dBm (Frequencies above 1000 MHz)
Adjacent CH power
Receiver part
-37 dBm (CH 25 kHz, BW = 16kHz, PN9, 9600bps)
Parameter
Specification
Receiver type
Double superheterodyne
IF
21.7 MHz (1st), 450 kHz (2nd)
Maximum input level
10 dBm
Receiver sensitivity
-119 dBm (12dB SINAD )
-116 dBm (BER 1%)
-110 dBm (0 error / 2556 bits)
Spurious response rejection
80 dB (1st Mix), 60 dB (2nd Mix)
Adjacent CH selectivity
50 dB (+/ 25kHz)
Intermodulation
50 dB (f-200 kHz + f-100 kHz)
Spurious radiation
-57 dBm (below 1000MHz) , -47dBm (above 1000MHz)
DO output level
L = GND, H = 2.8V
www.circuitdesign.jp
STD-302N-R 434MHz ver1.0
Oct. 2012
Specifications are subject to change without prior notice
Sales Division
7557-1 Hotaka, Azumino, Nagano 399-8303, Japan
Tel:+81-(0)263-82-1024
Fax:+81-(0)263-82-1016