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SL6679TP1N Datasheet(PDF) 8 Page - Mitel Networks Corporation |
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SL6679TP1N Datasheet(HTML) 8 Page - Mitel Networks Corporation |
8 / 23 page 8 SL6679 RECEIVER CHARACTERISTICS (280MHz) Receiver Characteristics (280MHz) are guaranteed over the following range of operating conditions unless otherwise stated. Characteristics are not tested but are guaranteed by characterisation test or design. All measurements made using the characterisation circuit Fig. 5. See Application Note AN137 for details of test method. T AMB = 210 °C to 155°C, V CC1 = 1·04V to 2·0V, VCC2 = 2·3V to 3·2V, VCC1,VCC220·8V, carrier frequency = 280MHz, BER = 1 in 30, AFC open loop. LNA gain set such that an RF signal of273dBm at the LNA input, offset from the LO by 4kHz, gives a typical IF signal level of 300mV p-p at TPI and TPQ. LNA noise figure,2dB Characteristic 512bps, Df = 4·5kHz 1200bps, Df = 4·0kHz 2400bps, Df = 4·5kHz. LO = 215dBm 512bps, Df = 4·5kHz 1200bps, Df = 4·0kHz 2400bps, Df = 4·5kHz. LO = 215dBm. Channel spacing 25kHz 512bps, Df = 4·5kHz 1200bps, Df = 4·0kHz 2400bps, Df = 4·5kHz. LO = 215dBm. Channel spacing 25kHz 512bps, Df = 4·5kHz, no AFC 512bps, Df = 4·5kHz, no AFC 1200bps, Df = 4·0kHz, no AFC 1200bps, Df = 4·0kHz, no AFC 2400bps, Df = 4·5kHz, no AFC 2400bps, Df = 4·5kHz, no AFC 512bps, Df = 4·5kHz, no AFC 1200bps, Df = 4·0kHz, no AFC 2400bps, Df = 4·5kHz, no AFC 512bps, Df = 4·5kHz. All at sensitivity 13dB or above 1200bps, Df = 4·0kHz. All at sensitivity 13dB or above 2400bps, Df = 4·5kHz. All at sensitivity 13dB or above 512bps, Df = 4·5kHz 1200bps, Df = 4·0kHz 2400bps, Df = 4·5kHz. LO = 215dBm 2400bps, R14 = 120k Ω (Fig. 5), room temperature only. See Note. Conditions Sensitivity Intermodulation, IP3 Adjacent Channel Deviation Acceptance Up Down Up Down Up Down Centre Frequency Acceptance AFC Capture Range (AFC Closed Loop) 1MHz Blocking Mark:space amplitude modulation acceptance Value Typ. Min. 2129 2127 2124 57 56 53·5 72 69 60 11·9 22·5 13·0 22·9 12·5 22·3 63·1 62·9 62·5 64 63·5 64 75 75 73 23 2128 2127 52 49 62·5 60 11·8 23·8 11·7 23·0 62·0 62·0 67 65 20 Max. dBm dBm dBm dB dB dB dB dB dB kHz kHz kHz kHz kHz kHz kHz kHz kHz kHz kHz kHz dB dB dB dB Units 2124 2121 60 57 80 77 14·6 21·7 14·6 21·7 63·1 63·2 78 76 NOTE The mark:space amplitude acceptance is the maximum amplitude ratio which can occur (for example due to Simulcast conditions) with 2400bps, using a POCSAG decoder with R14 = 120k Ω to achieve an 80% call rate and the lower amplitude set at a sensitivity of 120dB. the maxima and minima of the amplitude modulation correspond to the positive and negative (or vice versa) frequency shifts of the FSK modulation. |
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