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RFM12B-433S2 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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RFM12B-433S2 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
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5 / 11 page  RFM12B Datasheet REV2.0 Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com AC characteristic(Transmitter) symbol parameter remark min typical max Unit 433MHz band 3 5 868MHz band 2 4 Pmax Max. available output power 915MHz band 2 4 dBm Pout Typical output power Selectable in 3 dB steps Pmax-21 Pmax dbm Co Output capacitance (set by the automatic antenna tuning circuit) In low bands In high bands 2 2.1 2.6 2.7 3.2 3.3 pf Qo Quality factor of the output capacitance In low bands In high bands 13 8 15 10 17 12 Lout Output phase noise 100 kHz from carrier 1 MHz from carrier -80 -103 dbc/HZ BRTX FSK bit rate Via internal TX data register 172 kbps BRATX FSK bit rate TX data connected to the FSK input 256 kbps dffsk FSK frequency deviation Programmable in 15 kHz steps 15 240 kHZ AC characteristic(Turn-on/Turnaround timings) symbol parameter remark min typical max Unit Tst Crystal oscillator startup time Crystal ESR < 100 1 5 ms Ttx_XTAL_ON Transmitter turn-on time Synthesizer off, crystal oscillator on with 10 MHz step 250 us Trx_XTAL_ON Receiver turn-on time Synthesizer off, crystal oscillator on with 10 MHz step 250 us Ttx_rx_SYNT_ON Transmitter – Receiver turnover time Synthesizer and crystal oscillator on during TX/RX change with 10 MHz step 150 us Trx_tx_SYNT_ON Receiver – Transmitter turnover time Synthesizer and crystal oscillator on during RX/TX change with 10 MHz step 150 us Cxl Crystal load capacitance Programmable in 0.5 pF steps, tolerance+/- 10% 8.5 16 pf tPOR Internal POR timeout After Vdd has reached 90% of final value 100 ms tPBt Wake-up timer clock period Calibrated every 30 seconds 0.96 1.05 ms Cin, D Digital input apacitance 2 pf tr, f Digital output rise/fall time 15pF pure capacitive load 10 ns |
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Similar Description - RFM12B-433S2 |
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