STB7101 0.9/1.9GHz BROAD BAND PRE-POWER AMPLIFIER • OPERATING FREQUENCY 900-1900MHz • OUTPUT POWER 9.8dBm typ. @ 900MHz 7.5dBm typ. @ 1900MHz • POWER GAIN GP = 20.3dB typ. @ 900MHz GP = 20.5dB typ. @ 1900MHz SOT323-6L (SC70) ORDER CODE STB7101 BRANDING 101 APPLICATIONS PA driver for cellular applications (Top View) 1 101 2 DESCRIPTION The STB7101, designed for cellular applications (0.9/1.9GHz), uses a 20 GHz FT silicon bipolar process. This IC is a wide range amplifier operating from 900MHz to 1900MHz, in the overall frequencies range the gain flatness is less than 1 dB. The STB7101 is housed in a very small SMD package SOT323-6L. 3 (Bottom View) 6 6 1 5 5 2 4 4 3 PIN CONNECTION Pin No. Pin Name 1 GND 2 GND 3 INPUT 4 VCC 5 GND 6 OUTPUT ABSOLUTE MAXIMUM RATINGS Symbol Vcc Parameter Supply voltage Conditions Ta = +25 oC, pin 4 and 6 Value 4.5 Unit V Storage temperature -55 to +150 o Ta Operating ambient temperature -40 to +85 o Pin Input power Tstg January, 22 2002 Ta= +25 oC 10 C C dBm 1/5 STB7101 ELECTRICAL CHARACTERISTICS (Ta = +25oC, V cc = 2.75V, ZL = Zs = 50Ω, unless otherwise specified) Symbol Parameter Vcc Supply voltage Test Conditions Min. Typ. Max. Unit 2.6 2.75 3.3 V Icc Circuit current No signal 28 mA Gp Power Gain f = 0.9GHz f = 1.9GHz 20.3 20.5 dB NF Noise figure f = 0.9GHz f = 1.9GHz 5 4.5 dB P1dB Output 1dB Compr. Power f = 0.9GHz f = 1.9GHz 9.8 7.5 dBm RLIN Input return loss f = 0.9GHz f = 1.9GHz 8 6.2 dB RLOUT Output Return loss f = 0.9GHz f = 1.9GHz 9.7 9.7 dB S12 Isolation f = 0.9GHz f = 1.9GHz -34 -33 dB Po(Sat) Saturated output power level f = 0.9GHz f = 1.9GHz 11.3 9.7 dBm OIP3 Output Third Order Intercept f = 0.9GHz f = 1.9GHz 16.5 14.9 dBm TYPICAL EVALUATION CIRCUIT 1 J1 2 C1 27p RF IN 3 U1 GND OUTPUT GND INPUT GND Vcc C2 6 5 4 STB7101 C1 = C2 = C3 = 27pF C4 = 10nF L1 = 15nH L2 = 33nH 2/5 RF OUT L1 15n L2 33 n C3 27p Evaluation circuit components J2 27p VCC (+2.75V) C4 10n STB7101 TYPICAL PERFORMANCE (Ta = +25 oC, Vcc = 2.75V, unless otherwise specified) Circuit Current versus Supply Voltage Insertion Power Gain versus Frequency 24 35 22 Insertion Power Gain (dB) 40 30 Icc (mA) 25 20 15 10 5 20 18 16 14 12 10 0 8 -5 0 0.5 1 1.5 2 2.5 3 6 800 3.5 1000 1200 Vcc (V) Isolation versus Frequency 1600 1800 2000 Noise Figure versus Frequency 7 0 -10 6 NF (dB) Isolation (dB) 1400 Frequency (MHz) -20 5 -30 4 -40 -50 800 1000 1200 1400 1600 1800 3 800 2000 1000 24 24 22 22 20 20 18 16 14 12 12 8 6 0 2 4 2000 14 8 -2 1800 16 10 -4 1600 18 10 -6 1400 Power Gain versus Output Power @ 1900 MHz Power Gain (dB) Power Gain (dB) Power Gain versus Output Power @ 900 MHz -10 -8 1200 Frequency (MHz) Frequency (MHz) 6 Output Power (dBm) 8 10 12 6 -10 -8 -6 -4 -2 0 2 4 6 8 10 Output Power (dBm) 3/5 STB7101 SOT323-6L MECHANICAL DATA mm DIM. MIN. A MAX MIN. 0.8 1.1 0.031 0.043 A1 0 0.1 0 0.004 A2 0.8 1 0.0031 0.039 b 0.15 0.3 0.006 0.012 c 0.1 0.18 0.004 0.007 D 1.8 2.2 0.071 0.088 E 1.15 1.35 0.045 0.59 e 4/5 TYP. Inch 0.65 TYP. MAX 0.025 H 1.8 2.4 0.071 0.094 Q 0.1 0.4 0.004 0.016 STB7101 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 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 5/5