Maker : STMicroelectronics
Part No. : 7003

  Datasheet PDF : 7003.pdf
  Cross Reference : 7003 Cross Reference
  Buy Component : 7003 Find Stock and Price

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Product Information

STB7003 TRI-BAND GSM/DCS/PCS LNA • SUPPLY VOLTAGE 2.8V • LOW CURRENT CONSUMPTION • VERY LOW NOISE FIGURE: NF=1.5dB @ 950MHz NF=1.9dB @ 1850MHz NF=2dB @ 1950MHz • DIGITAL GAIN CONTROL ORDER CODE STB7003 MSOP10-EP (exposed pad) BRANDING 7003 APPLICATIONS TRI-BAND GSM/DCS/PCS FRONT-ENDS FUNCTIONAL BLOCK DIAGRAM PD GC DESCRIPTION The STB7003 is a tri-band LNA designed for GSM/DCS/ PCS applications. The GC pin sets the LNA gain levels. The innovative architecture implemented allows to reach very low current consumption. LNA1 works at 0.9-1.0 GHz and LNA2 over the 1.8-2GHz frequency range. AI1 LNA1 AO1 BIAS GND VccGSM AI2 LNA2 AO2 BSW VccDCS ABSOLUTE MAXIMUM RATING Symbol Vcc Tj Tstg Supply voltage Junction temperature Storage temperature Parameter Value 4.5 150 -40 to +85 Unit V o C °C THERMAL DATA Symbol Rth(j-a) Parameter Thermal resistance junction-ambient Value TBD Unit o C/W January, 22 2002 1/9 STB7003 ELECTRICAL CHARACTERISTICS (Vcc = 2.8V, Tamb= 25 oC) Symbol Vcc IPD Parameter Supply voltage Sleep supply current Test conditions Min. 2.7 Typ. Max. 3.3 5 Unit V uA LNA1 @ 950MHz Icc G NF P1dB IIP3 VSWRi VSWRo Supply current Power gain Noise figure Input 1 dB compr. power Input third order intercept Input VSWR Output VSWR Gp1(1) Gp2(1) Gp1 Gp2 Gp1 Gp2 Gp1(2) Gp2(2) 4.5 -1 16 5.5 1.5 -19 -21 -10.8 -12.6 2:1 2:1 mA dB dB dBm dBm LNA2 @ 1850MHz Icc G NF P1dB IIP3 VSWRi VSWRo Supply current Power gain Noise figure Input 1 dB compr. power Input third order intercept Input VSWR Output VSWR Gp1(1) Gp2(1) Gp1 Gp2 Gp1 Gp2 Gp1(3) Gp2(3) 7.3 -4 14.7 9.6 1.9 -11.5 -13.1 -1.4 -3.5 2:1 2:1 mA dB dB dBm dBm LNA2 @ 1950MHz Icc G NF P1dB IIP3 VSWRi VSWRo Note(1) : Note(2) : Note(3) : Note(4) : Supply current Power gain Noise figure Input 1 dB compr. power Input third order intercept Input VSWR Output VSWR Gp1(1) Gp2(1) Gp1 Gp2 Gp1 Gp2 Gp1(4) Gp2(4) 7.3 -4.5 14.7 9.8 2 -10.8 -12.6 -1.5 -3.7 2:1 2:1 mA dB dB dBm dBm Gp1 min gain, Gp2 max gain. Measured data with two tones f IN1 = 945 MHz, fIN2 = 945.8 MHz, PIN = - 33 dBm for each tone Measured data with two tones f IN1 = 1850 MHz, fIN2 = 1850.8 MHz, P IN = - 33 dBm for each tone Measured data with two tones f IN1 = 1960 MHz, fIN2 = 1960.8 MHz, P IN = - 33 dBm for each tone 2/9 STB7003 GAIN SELECTION BSW 0 0 1 1 GC 0 1 0 1 GSM LNA1 High gain Low gain Off Off DCS/PCS LNA2 Off Off High gain Low gain PINOUT Pin Number 1 2 3 4 5 6 7 8 9 10 Symbol PD AI1 GND AI2 BSW VccDCS AO2 VccGSM AO1 GC Description Power down GSM LNA1 input Ground DCS/PCSl LNA2 input Band switch between GSM and DCS/PCS RF output DCS Supply voltage DCS/PCS LNA2 output GSM/BiAS Supply voltage GSM LNA1 output LNA1/2 gain control 3/9 STB7003 TYPICAL PERFORMANCE (GSM BAND) Power Gain vs. Frequency Noise Figure vs. Frequency 20 15 High Gain 7 6 5 NF (dB) 4 3 Low Gain Low Gain S21(Log Mag) (dB) 10 5 0 -5 800 2 1 920 High Gain 820 840 860 880 900 920 940 960 980 1000 930 940 950 960 970 FREQUENCY (MHz) Frequency (MHz) Input Return Loss vs. Frequency Output Return Loss vs. Frequency 0 -2 RETURN LOSS (dB) 0 -5 -10 -15 -20 -25 800 High Gain -6 -8 -10 Low Gain HIgh Gain RETURN LOSS -4 -12 -14 800 820 840 860 880 900 920 FREQUENCY (MHz) 940 960 980 1000 0 Low Gain 820 840 860 880 900 920 940 960 980 1000 FREQUENCY (MHz) Reverse Isolation vs. Frequency -40 -41 S21(Log Mag) (dB) -42 -43 -44 -45 -46 -47 -48 800 820 840 860 880 900 920 940 FREQUENCY (MHz) 960 980 1000 Low Gain HIgh Gain 4/9 STB7003 TYPICAL PERFORMANCE (DCS / PCS BAND) Power Gain vs. Frequency Noise Figure vs. Frequency 20 High Gain 15 S21(Log Mag) (dB) 10 5 0 -5 Low Gain -10 1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000 FREQUENCY (MHz) 11 10 9 8 7 6 5 4 3 2 1 1800 Low Gain NF (dB) High Gain 1850 1900 FREQUENCY (MHz) 1950 2000 Input Return Loss vs. Frequency Output Return Loss vs. Frequency 0 -2 0 RETURN LOSS (dB) -2 -4 -6 -8 High Gain Low Gain RETURN LOSS -4 -6 -8 ...

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