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SA1920 Datasheet(PDF) 9 Page - NXP Semiconductors |
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SA1920 Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 36 page  Philips Semiconductors Product specification SA1920 Dual-band RF front-end 1999 Mar 02 9 AC ELECTRICAL CHARACTERISTICS High-Band, Single Mode of Operation LNA and Image Reject Mixer VCC = +3.75 V, FreqRF = 1960 MHz, FreqLO = 2070.52 MHz, Pin = –3 dBm, TA = +25_C; unless otherwise stated PARAMETERS MIN –3 s TYP. +3 s MAX UNITS NOTES RF Input Frequency Range 1805 1990 MHz IF Frequency 100 110.52 125 MHz LO Frequency 1905 2115 MHz Power Gain 21 23.5 25 dB Power Gain Reduction (Strong Signal Mode—LNA Off) 40 47 54 dB Noise Figure 4.0 4.2 4.4 dB Input Impedance, RF Port 50 W Return Loss at Inputs –10 dB 1 LO leakage at RF Port –48 dBm 1 dB RF Input Compression Point –24 dBm IP3 (3RD Order Intermodulation Product) Referred to the RF Input Port –15 –12.5 –10 dBm (2 x LO) – (2 x RF) Spur Performance –50 dBm IN Referred to RF Input Port –65 dBc 50 dBm IN Referred to RF In ut Port Measure at LO = 2040 MHz and RF = 1985 MHz (3 x LO) – (3 x RF) Spur Performance. –50 dBm IN Referred to RF Input Port. Measure at LO = 2040 MHz and RF = 2003 MHz. –62.5 dBc Image rejection, fRX+2fIF or fRX –2fIF Referred to the RF Input Port 30 35 dB LO Input Power –5 –3 –1 dBm Turn ON/OFF Time 30 msec High-Band LO Buffer PARAMETERS MIN –3 s TYP. +3 s MAX UNITS NOTES LO Frequency Range 1905 2115 MHz Differential Output Power –9 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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