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SA1920 数据表(PDF) 8 Page - NXP Semiconductors |
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SA1920 数据表(HTML) 8 Page - NXP Semiconductors |
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8 / 36 page ![]() Philips Semiconductors Product specification SA1920 Dual-band RF front-end 1999 Mar 02 8 AC ELECTRICAL CHARACTERISTICS Low-Band, Dual Mode of Operation VCC = +3.75 V, FreqRF = 881 MHz, FreqLO = 991.52 MHz, Pin = –3 dBm, TA = +25_C; unless otherwise stated PARAMETERS Min –3 s TYP +3 s Max UNITS NOTES System RF Input Frequency Range 869 881 960 MHz IF Frequency 110.52 MHz LO Frequency 991.52 MHz Cascaded Power Gain; includes 3dB filter loss 22.5 24 25.5 dB Power Gain Reduction (Strong Signal Mode—LNA Off) 29 35 41 dB Cascaded Noise Figure; includes 3dB filter loss 2.6 dB LNA LNA Gain 17 17.5 18 dB LNA IIP3 –6 –5 –4 dBm LNA Noise Figure 1.6 1.7 1.8 dB Mixer Mixer Gain 9 9.5 10 dB Mixer IIP3 4 5 6 dBm Mixer Noise Figure 9 10 11 dB Other Input Impedance, RF Port 50 W Return Loss at LNA Inputs and Output –10 dB 1 Return Loss at Mixer Input and Outputs –10 dB 1 LO leakage at RF Port –42 dBm LO Input Power –5 –3 –1 dBm Turn ON/OFF Time 100 msec Low-Band LO Buffer PARAMETERS Min –3 s TYP. +3 s Max UNITS NOTES LO Frequency 991.52 MHz Differential Output Power –7 dBm Differential Output Impedance 100 W Harmonic Content –20 dBc Input Power –5 –3 –1 dBm Input Impedance 50 W 1 Turn On/Off Time 30 msec |
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