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Transceiver multicanale

 
TX-RX TRANSCEIVER MODEM AUDIO ACCESSORI SELEZIONE CONFORMITA'  

STD-302N-R

 
 
STD-302N-R 869MHz
 
Item Specification

Common

Communication form Half-duplex
Frequency 868 to 870 MHz
Channel step 25 kHz Channel programmable 
(PLL IC:Fujitsu MB15E03)
Frequency stability +/- 3.4 ppm (-10 to + 55 degree C)
+/- 4 ppm (-20 to + 60 degree C)
Data rate 9,600 bps max 
(Pulse width min. 100 us, max 15ms)
PLL reference frequency 21.25 MHz (TCXO)
PLL response 30 ms typ. (from PLL setting to LD out)
Supply voltage 3.0 to 5.5 V
Supply current 46mA (TX)  28mA (RX)
Operating temperature range -20 to + 60 degree C 
(Storage : -30 to + 75 degree C)
TX / RX switching time 15 ms typ. 
(DI vs valid DO at the same frequency)
Dimension 30 * 50 * 9 mm
Weight 25 g
 

Transmitter Part

Transmitter type PLL synthesizer
RF output power 5 mW at 50 ohm
Deviation 2.75 kHz  (PN9, 9600bps)
DI input level L = GND, H = 3 V to Vcc
Residual FM noise 0.35 kHz
Spurious emission               - 54 dBm   
(47M-74M, 87.5M-118M, 174M-230M, 470M-862 MHz)
  - 36 dBm 
( Other frequencies below 1000 MHz)
  - 30 dBm
(Frequencies above 1000 MHz)
Adjacent CH leakage power     -37 dBm 
(
CH 25kHz, BW = 16kHz, PN9, 9600bps)
 

Receiver Part

Receiver type Double superheterodyne
IF 21.7 MHz (1st), 450 kHz (2nd)
Maximum input level 10 dBm
Receiver sensitivity - 116 dBm (12 dB SINAD)
  - 113 dBm (BER 1%)
  - 107 dBm (0 error / 2556 bits)
Spurious response rejection 60 dB ( 1st Mix), 60 dB (2nd Mix)
Adjacent CH selectivity 45 dB ( +/- 25 kHz)
Intermodulation 50 dB (f - 200 kHz + f - 100 kHz)
Spurious radiation - 57 dBm (below 1000 MHz)
- 47 dBm (above 1000 MHz)
DO output level L = GND, H = 2.8 V

 

 

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