STB7102 0.5/2.5 GHz UHF LO BUFFER AMPLIFIER • OPERATING FREQUENCY 500-2500MHz • LOW CURRENT CONSUMPTION • EXCELLENT ISOLATION • ULTRA MINIATURE SOT323-6L PACKAGE SOT323-6L (SC70) APPLICATIONS • BUFFER AMPLIFIER FOR 0.5/2.5 GHz APPLICATIONS ORDER CODE STB7102TR • CDMA/PCS LO BUFFER AMPLIFIER (Top View) 3 2 102 DESCRIPTION The STB7102, designed for RF Mobile Phone applications (0.5/2.5GHz), is an high isolation Local Oscillator Buffer Amplifier. Manufactured in the third generation of ST proprietary bipolar process, it offers an excellent isolation and a good linearity using only 4mA current consumption. The STB7102 is housed in an ultra miniature package SOT323-6L surface mount package. BRANDING 102 1 (Bottom View) 4 4 3 5 5 2 6 6 1 PIN CONNECTION Pin No. Pin Name 1 INPUT 2 GND 3 GND 4 OUTPUT 5 GND 6 VCC ABSOLUTE MAXIMUM RATINGS Symbol Vcc Tstg Ta Parameter Supply voltage Conditions Value Unit 3.3 V Storage temperature -40 to +100 oC Operating ambient temperature -30 to +85 February, 25 2002 o C 1/9 STB7102 ELECTRICAL CHARACTERISTICS (CELL BAND) (Ta = +25oC, Vcc = 2.7V, Zs = ZL = 50Ω, tested in circuit shown in fig.1, unless otherwise specified) Symbol Freq. Parameters Test Conditions Min Typ Max Unit 1030 MHz Frequency Range 990 Vcc Supply Voltage 2.6 2.7 2.8 V Icc Current Consumption 3.3 4.3 5.3 mA P1dB Output Power at 1dB Compression Point F = 1010 MHz -2 dBm Gp Power Gain F = 1010 MHz 16.7 dB NF Noise Figure F = 1010 MHz 2.7 dB Isol. Reverse Isolation F = 1010 MHz 45 dB RLin Input Return Loss F = 1010 MHz 30 dB Output Return Loss F = 1010 MHz 17.8 dB RLout Figure 1 Cell Band Application Circuit Configuration C8 1.5pF L2 2n2 J2 RF OUT U1 ULOBA 3 C1 33pF 2 1 J1 RF IN OUT GND GND INPUT VCC 4 L3 10nH 5 6 JP1 VCC L4 5n6 2/9 GND C5 10nF C3 33pF L1 33nH C2 1uF 1 2 STB7102 TYPICAL PERFORMANCE (CELL BAND) Power Gain vs. Frequency and Voltage Power Gain vs. Frequency and Temperature 20 20 18 18 Vcc = 2.8 V 16 Vcc = 2.6 V Vcc = 2.7 V 12 10 8 12 10 8 6 6 4 4 2 Ta = 85 °C Ta = 25 °C 14 Power Gain (dB) 14 Power Gain (dB) Ta = -30 °C 16 2 Ta = 25 °C Vcc = 2.7 V 0 0 800 900 1000 1100 1200 800 900 Frequency (MHz) 1000 1100 Reverse Isolation vs. Frequency and Temperature Reverse Isolation vs. Frequency and Voltage 0 0 Vcc = 2.7 V -10 -10 -20 -20 Reverse Isolation (dB) Reverse Isolation (dB) Ta = 25 °C -30 -40 -30 -40 Ta = -30 °C Vcc = 2.7 V -50 -50 Vcc = 2.8 V Ta = 85 °C Vcc = 2.6 V -60 Ta = 25 °C -60 800 900 1000 1100 1200 800 900 Frequency (M Hz) 1000 1100 1200 Frequency (M Hz) Input Return Loss vs. Frequency and Temperature Input Return Loss vs. Frequency and Voltage 0 0 Vcc = 2.7 V Ta = 25 °C -5 -5 -10 -10 Input Return Loss (dB) Input Return Loss (dB) 1200 Frequency (MHz) -15 Vcc = 2.8 V -20 -25 -30 -15 Ta = 85 °C -20 -25 -30 Vcc = 2.7 V Vcc = 2.6 V Ta = -30 °C -35 800 900 1000 Frequency (MHz) 1100 1200 -35 800 900 Ta = 25 °C 1000 1100 1200 Frequency (MHz) 3/9 STB7102 TYPICAL PERFORMANCE (CELL BAND) Output Return Loss vs. Frequency and Voltage Output Return Loss vs. Frequency and Temperature 0 0 Ta = 25 °C Vcc = 2.7 V -5 -5 Ta = 85 °C -10 Vcc = 2.7 V Output Return Loss (dB) Output Return Loss (dB) -10 -15 Vcc = 2.8 V Vcc = 2.6 V -20 -25 -30 -15 -20 Ta = 25 °C -30 -35 -35 -40 -40 -45 Ta = -30 °C -25 -45 800 900 1000 1100 1200 800 900 1000 Frequency (MHz) 1100 1200 Frequency (MHz) Output Power @ 1dB compression point Noise Figure vs. Frequency 4 17 3.5 16 2.5 15 2 P1dB 14 1.5 1 13 0.5 F = 1010 MHz 12 0 800 900 1000 Frequency (MHz) 4/9 1100 1200 -13 -12 -11 -10 -9 -8 -7 -6 -5 Poutput (dBm) -4 -3 -2 -1 0 Gain (dB) Noise Figure (dB) 3 STB7102 ELECTRICAL CHARACTERISTICS (PCS BAND) (Ta = +25oC, Vcc = 2.7V, Zs = ZL = 50Ω, tested in circuit shown in fig.2, unless otherwise specified) Symbol Freq. Parameters Test Conditions Min Frequency Range Typ 2040 Max Unit 2135 MHz Vcc Supply Voltage 2.6 2.7 2.8 V Icc Current Consumption 3.3 4.3 5.3 mA P1dB Output Power at 1dB Compression Point F = 2085 MHz -1 dBm Gp Power Gain F = 2085 MHz 10 dB NF Noise Figure F = 2085 MHz 5 dB Isol. Reverse Isolation F = 2085 MHz 41 dB RLin Input Return Loss F = 2085 MHz 17 dB Output Return Loss F = 2085 MHz 24 dB RLout Figure 2 PCS Band Application Circuit Configuration C8 22pF L2 6n8 J2 RF OUT U1 ULOBA 3 C1 33pF 2 1 GND OUT GND GND INPUT VCC 4 L3 10nH 5 6 JP1 VCC J1 RF IN C5 10nF C3 33pF L1 33nH C2 1uF 1 2 5/9 STB7102 TYPICAL PERFORMANCE (PCS BAND) Power Gain vs. Frequency and Voltage Power Gain vs. Frequency and Temperature 12 12 Ta = -30 °C Vcc = 2.7 V Ta = 25 °C Vcc = 2.8 V 10 10 Ta = 85 °C 8 Power Gain (dB) Power Gain (dB) Vcc = 2.6 V 6 4 8 6 4 2 2 Ta = 25 °C 0 1800 Vcc = 2.7 V 1900 2000 2100 0 1800 2200 1900 Frequency (MHz) 2000 2100 2200 Frequency (MHz) Reverse Isolation vs. Frequency and Temperature Reverse Isolation vs. Frequency and Voltage 0 0 Vcc = 2.7 V Ta = 25 °C -10 Reverse Isolation (dB) Reverse Isolation (dB) -10 -20 -30 Vcc = 2.7 V -40 Vcc = 2.6 V -30 Ta = 25 °C -40 Ta = 85 °C Vcc = 2.8 V Ta = -30 °C -50 -50 -60 1800 -20 1900 2000 2100 -60 1800 2200 1900 2000 2100 2200 Frequency (MHz) Frequency (MHz) Input Return Loss vs. Frequency and Temperature Input Return Loss vs. Frequency and Voltage 0 0 Vcc = 2.7 V -2 -2 -4 -4 -6 -6 Input Return Loss (dB) Input Return Loss (dB) Ta = 25 °C -8 -10 -12 -14 -12 Ta = 25 °C -14 Ta = -30 °C Vcc = 2.8 V -16 -8 -10 -16 Vcc = 2.7 V -18 -20 1800 1900 2000 Frequency (MHz) 6/9 -18 Vcc = 2.6 V 2100 2200 -20 1800 Ta = 85 °C 1900 2000 Frequency (M Hz) 2100 2200 STB7102 TYPICAL PERFORMANCE (PCS BAND) Output Return Loss vs. Frequency and Voltage Output Return Loss vs. Frequency and Temperature 0 0 Vcc = 2.7 V -5 -5 -10 -10 Output Return Loss (dB) Output Return Loss (dB) Ta = 25 °C -15 Vcc = 2.8 V -20 Vcc = 2.7 V -25 Vcc = 2.6 V -30 -15 Ta = -30 °C -20 -30 -35 -35 -40 -40 -45 1800 1900 2000 2100 2200 Ta = 85 °C -25 Ta = 25 °C -45 1800 1900 2000 Frequency (MHz) 2100 2200 Frequency (MHz) Output Power @ 1dB compression point Noise Figure vs. Frequency 6 11 5.5 10 4.5 9 4 Gain (dB) Noise Figure (dB) 5 8 3.5 3 7 P1dB 2.5 F = 2087.5 MHz 2 1800 6 1900 2000 Frequency (MHz) 2100 2200 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 Poutput (dBm) 7/9 STB7102 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 8/9 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 STB7102 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. 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