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SA631 Datasheet(PDF) 4 Page - NXP Semiconductors |
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SA631 Datasheet(HTML) 4 Page - NXP Semiconductors |
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4 / 16 page  Philips Semiconductors Product specification SA631 1GHz low voltage LNA and mixer 1998 Jan 08 4 AC ELECTRICAL CHARACTERISTICS VCC = +3.0V, Tamb = 25°C; RFIN = 881MHz, fVCO = 964MHz; unless otherwise stated. SYMBOL PARAMETER TEST CONDITIONS LIMITS UNITS SYMBOL PARAMETER TEST CONDITIONS –3 s TYP +3 s UNITS Low Noise Amplifier fRF RF input frequency range 800 1000 MHz S21 Amplifier gain 15 dB S21 Amplifier gain in power-down mode –28 dB ∆S21/∆T Gain temperature sensitivity enabled 0.006 dB/ °C ∆S21/∆f Gain frequency variation 800MHz - 1.0GHz ±0.013 dB/MHz S12 Amplifier reverse isolation @ 881 MHz –28 dB S11 Amplifier input match With ext. impedance matching –10 dB S22 Amplifier output match –10 dB P-1dB Amplifier input 1dB gain compression –20 dBm IP3 Amplifier input third order intercept –7 dBm NF Amplifier noise figure 1.7 dB tON Amplifier turn-on time (Enable Lo → Hi) 120 µs tOFF Amplifier turn-off time (Enable Hi → Lo) 0.3 µs Mixer PGC Mixer power conversion gain: RP = RL = 1.2kΩ fRF = 881MHz, fLO = 964MHz, fIF = 83MHz 9.6 dB S11M Mixer input match Ext. impedance matching req. –10 dB NFM Mixer SSB noise figure 10 dB P-1dB Mixer input 1dB gain compression –14.5 dBm IP3M Mixer input third order intercept 3.3 dBm IP2INT Mixer input second order intercept 38 dBm PRFM-IF Mixer RF feedthrough RFIN = –32dBm –45 dBm PLO-IF LO feedthrough to IF LO = –0dBm –23 dBm PLO-RFM LO to mixer input feedthrough –32 dBm PLO-RF LO to LNA input feedthrough –42 dBm Overall System GSYS System gain LNA + Mixer 23.9 24.6 25.3 dB |
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