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FM-RRFQ2-433 データシート(PDF) 4 Page - rfsolutions.ltd |
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FM-RRFQ2-433 データシート(HTML) 4 Page - rfsolutions.ltd |
4 / 6 page DS069-8 Aug 07 ©2007 Reg. No. 227 4001, England Page 4 FM TRANSMITTER & RECEIVER HYBRID MODULES. FM-RTFQ SERIES FM-RRFQ SERIES Component Side 1 3 38.1mm 18.3mm 2.54mm 7 11 15 Pin Dimensions : 0.25mm x 0.50mm 4mm Component Side 1 2 45.72mm 16.5mm 2.54mm 14 18 Pin Dimensions : 0.25mm x 0.50mm 3mm 1mm RRFQ1 Mechanical Details RRFQ2 Mechanical Details Pin Description RSSI Output* RRFQ1 RRFQ2 Pin Description RF In (dBm) RSSI (V) 1 16 +Vcc -120 1.20 2, 7,11 2,15 GND -110 1.32 3 1 Data In (Antenna) -100 1.50 12 NC -90 1.78 13 14 Received Signal Strength Output -80 2.06 N/A 17 AF Output -70 2.35 14 18 Data Out -60 2.62 15 N/A Power Down -50 2.72 0V = Standby -40 2.75 5V = Operating RSSI Output The RSSI provides a DC Voltage proportional to the peak value of the receive data signal. This output can be used as an indicator for the received signal strength to use in wake-up circuits etc. An RC circuit is normally used to provide the timing for the RSSI signal. The modules have a 10nF capacitor internally connected to GND, therefore a pull down resistor (to GND) connected to the RSSI pin may be used to generate a simple RC network time constant for the RSSI signal output. Please note that the maximum output current is typically 950µA, the discharge current is lower than 2µA |
同様の部品番号 - FM-RRFQ2-433 |
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同様の説明 - FM-RRFQ2-433 |
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