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RFM67W-868S2 Datasheet(PDF) 8 Page - List of Unclassifed Manufacturers |
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RFM67W-868S2 Datasheet(HTML) 8 Page - List of Unclassifed Manufacturers |
8 / 37 page Page 8 Tel: + 86-755-82973805 Fax: + 86-755-82973550 E-mail: sales@hoperf.com http:/ / www.hoperf.com RFM 67W 2.4. Electrical Specifications The table below gives the electrical specifications of the transmitter under the following conditions: Supply voltage = 3.3 V, temperature = 25 °C, fRF = 915 MHz, 2-level FSK modulation without prefiltering, Df = 5 kHz, bit rate = 4.8 kbit/s and output power = 13 dBm terminated in a matched 50 ohm impedance, unless otherwise specified. Table 4 Transmitter Specifications Symbol Description Conditions Min Typ Max Unit Current Consumption IDDSL Supply current in sleep mode - 0.5 1 µA IDDST Supply current in standby mode Crystal oscillator enabled - 0.9 1.2 mA IDDFS Supply current in synthesiser mode - 8 - mA IDDT Supply current in transmit mode with appropriate external match- ing (see Section 7). RF Power o/p = 17 dBm RF Power o/p = 13 dBm RF Power o/p = 10 dBm RF Power o/p = 0 dBm - - - - 95 45 33 20 - - 40 25 mA mA mA mA RF and Baseband Specifications BRF Bit rate, FSK Programmable. 1.2 - 600 kbps BRO Bit rate, OOK Programmable. 1.2 - 32 kbps FDA Frequency deviation, FSK Programmable 0.6 - 300 kHz RFOP RF output power in 50 ohms Programmable with 1 dB steps. Max Min 10 -21 13 -18 - - dBm dBm PHN Transmitter phase noise 50 kHz Offset from carrier - -95 - dBc/ Hz RFOPH Max RF output power with an external impedance transforma- tion With external match to 50 ohms. 14 17 - dBm ACP Transmitter adjacent channel power (measured at 25 kHz off- set) Pre-filter enabled. Measurement conditions as defined by EN 300 220-1 V2.1.1. - - -37 dBm FR Synthesizer Frequency Range 315MHz Module 433MHz Module 868MHz Module 915MHz Module 290 431 862 890 340 510 890 1020 MHz MHz MHz MHz FSTEP Frequency synthesizer step FXOSC/219 - 61 - Hz FRC RC Oscillator frequency range 45 65 85 kHz Timing Specifications TS_FS Frequency synthesizer wake up time Crystal oscillator Enabled. - 100 150 µs |
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