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STB7002
1.8GHz THREE GAIN LEVEL LNA
* FULLY INTEGRATED 1.8GHz LNA * THREE GAIN LEVELS (0dB, 18dB, 26dB typ. @ 2.8V) * LOW NOISE FIGURE * TEMPERATURE COMPENSATED
APPLICATIONS * DCS HANDSETS
ORDER CODE STB7002
MSOP8-EP (exposed pad) BRANDING 7002
DESCRIPTION The STB7002 is a Silicon monolithic amplifier, that offers low noise figure and three gain levels for 1.8GHz applications. STB7002 is housed in a small industry-standard MSOP8-EP surface mount package, requiring very little board space (50% reduction vs SO8 Package). MSOP8-EP dimensions are 3mmx5mm with a 1.1mm thickness. STB7002 is ESD protected and requires minimum external components in the application circuit, for the on-chip bias and gain control. Furthermore, temperature and supply voltage compensation ensures high stability over a wide range of operating conditions.
ABSOLUTE MAXIMUM RATINGS
Symbol Vcc Tj Tstg Supply voltage Junction Temperature Storage temperature Parameter Value 4 150 -40 to +85 Unit V C C
THERMAL DATA
Symbol Rth(j-a) Parameter Junction -ambient Thermal Resistance Value TBD Unit C/W
January, 22 2002
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ELECTRICAL SPECIFICATION (Tamb = 25C, Vcc = 2.8V)
Symbol Vcc Ibias Istby f Gp1,2,3 Parameters Supply voltage for Bias current Standby current Frequency range Gp1 Power gain Gp2 Gp3 NF1,2,3 Noise figure for Gp1 Gp2 Gp3 for Gp1 Gp2 Gp3 for Gp1 Gp2 Gp3 for Gp1 Gp2 Gp3 for Gp1 Gp2 Gp3 1805 -3.0 16.0 24.0 0.0 18.0 26.0 9 2.9 2.6 -15.5 -19 -27 -4 -9 -17 2.5:1 2.2:1 1.5:1 1.3:1 1.5:1 1.8:1 15 % Gp1(1) Gp2(1) Gp3(1) Test Conditions Min. 2.7 8 14 10 Typ. 2.8 11.5 17.5 15.0 Max. 2.9 15.0 22.5 19 20 1880 3.0 20.0 28.0 Unit V mA A MHz dB
dB
P1dB1,2,3
Input 1 dB Compr.Power
dBm
IIP31,2,3
Input Third Order Intercept
dBm
VSWRi
Input VSWR
VSWRo AZout
Output VSWR Zout LNA on/off
Note(1) : Gp1 min gain, Gp2 mid gain and Gp3 max gain.
PINOUT
Pin Number 1 2 3 4 5 6 7 8 Symbol RFin Gnd Vcc ARLNA0 RFout Gnd GC1 GC2 Description RF input Ground Voltage supply Enable for power down RF output Ground Gain selection Gain selection C5 = 10nF C8 = 10nF C4 = 4pF, L1 = 110nH, C7 = 10nF C3 = 10nF C9 = 3pf, L3 = 5.6nH, C10 = 10nF, C11 = 100pF, L4 = 110nH Evaluation circuit components L2 = 3.3nH, C2 =0.5pF
GAIN SELECTI0N
Gp1 GC1 GC2 0 0 Gp2 0 1 Gp3 1 1
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TEST CIRCUIT SCHEMATIC
JP1 VCC C6 4u7 1 2 BIAS
S1 C8 10n L2 C2 0.5p 3.3n 1 2 VCC C7 10n VCC S2 C3 10n * VCC L4 110n C11 100p C10 10n L3 5.6n L1 110n C4 4p 3 4 S3 U1 RF_IN GND VCC GC2 GC1 GND 8 7 6 5 C9 3p J2 SMA_OUT C5 10n SW SPDT
VCC
J1 SMA_IN
SW SPDT VCC
ARLNA0 RF_OUT
STB7002
SW SPDT
TEST CIRCUIT PHOTOMASTER (board dimentions 23.5x20.3mm) TOP VIEW BOTTOM VIEW
20.3mm
20.3mm
23.5mm
23.5mm
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INPUT/OUTPUT VSWR, ISOLATION AND GAIN PARAMETERS (MEASURED DATA) MAX GAIN
Freq. 1802 1813 1824 1835 1846 1857 1868 1879 1890 1901 1912 1923 VSWRi 1.48 1.45 1.43 1.41 1.38 1.36 1.35 1.33 1.32 1.30 1.29 1.28 VSWRo 1.94 1.94 1.94 1.93 1.92 1.91 1.89 1.87 1.84 1.83 1.79 1.77 Isolation -36.91 -36.37 -35.51 -35.14 -34.95 -34.03 -34.17 -33.08 -33.53 -32.87 -33.03 -32.55 Gain 24.83 24.79 24.76 24.75 24.74 24.71 24.68 24.59 24.52 24.45 24.38 24.29
MID GAIN
Freq. 1802 1813 1824 1835 1846 1857 1868 1879 1890 1901 1912 1923 VSWRi 2.14 2.15 2.14 2.14 2.13 2.12 2.11 2.10 2.10 2.09 2.08 2.08 VSWRo 1.67 1.68 1.69 1.69 1.69 1.69 1.68 1.68 1.67 1.66 1.65 1.63 Isolation -36.70 -36.07 -35.58 -35.13 -34.51 -33.92 -33.38 -32.30 -33.39 -32.80 -32.72 -32.20 Gain 18.32 18.33 18.34 18.37 18.40 18.43 18.45 18.42 18.41 18.39 18.35 18.32
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MIN GAIN
Freq. 1802 1813 1824 1835 1846 1857 1868 1879 1890 1901 1912 1923 VSWRi 2.26 2.30 2.33 2.36 2.38 2.41 2.43 2.46 2.48 2.50 2.52 2.53 VSWRo 1.21 1.21 1.21 1.21 1.22 1.22 1.22 1.22 1.22 1.22 1.22 1.22 Isolation -34.63 -34.45 -33.83 -33.57 -32.99 -32.3 -31.94 -31.55 -31.91 -31.52 -31.34 -31.09 Gain 1.97 1.93 1.89 1.86 1.82 1.79 1.76 1.70 1.66 1.63 1.58 1.53
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MSOP8-EP MECHANICAL DATA
Inch. MIN. MAX 0.037 0.043 0.002 0.006 0.010 0.014 0.005 0.007 0.116 0.120 0.0256 BSC 0.116 0.120 0.188 0.198 0.016 0.026 0 6 0.087 0.099 0.062 0.074 mm MIN. MAX 0.94 1.10 0.05 0.15 0.25 0.36 0.13 0.18 2.95 3.05 0.65 BSC 2.95 3.05 4.78 5.03 0.41 0.66 0 6 2.210 2.515 1.575 1.880
A A1 B C D e E H L
*X *Y
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is registered trademark of STMicroelectronics (R) 2002 STMicroelectronics - All Rights Reserved All other names are the property of their respective owners. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com
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