ASG402

ASG402 DC-3000 MHz SiGe HBT Amplifier Features ·SiGe Technology ·16 dB Gain at 900 MHz ·+29 dBm P1dB ·+45 dBm Output IP3 ·3.3 dB Noise Figure ·ACPR= -50dBc@21dBm ·ACLR= -45dBc@21dBm ·Single +8 V Supply ·SOT-89 Surface Mount Package Description The ASG402 is designed for high linearity, high gain, and low noise over a wide range of frequency, being suitable for use in both receiver and transmitter of wireless and wireline telecommunication systems. The product is manufactured using a state-of-the-art SiGe HBT process of the company's own, making it cost-effective and highly reliable. The amplifiers are available in a low cost SOT-89 package completing stringent DC and RF tests. Package Style: SOT-89 Specifications 1) Parameters Frequency Range Gain Input VSWR Output VSWR Output IP3 2) Units MHz dB dBm dB dBm mA V 4) Min. Typ. 250 - 2500 16 1.44 1.44 Max. Applications ·CDMA, GSM, W-CDMA, PCS ·Power Amplifier ·Gain Block ·CATV Amplifier ·IF Amplifier 44 45 3.3 29 Noise Figure Output P1dB Supply Current Supply Voltage Thermal Resistance, Rth 260 275 8 24.1 290 °C/W 1) Measurement conditions are as follows: T = 25°C, Vs = 6 V, Freq. = 900 MHz, 50 ohm system. 2) S11 & S22 can be improved, at a specific frequency, by moving an input shunt capacitor (C2) along an input transmission line. 3) OIP3 is measured with two tones at an output power of +14 dBm/tone separated by 1 MHz. 4) The thermal resistance was determined at a DC power of 1.65 W (VCC=6 V, IC=275 mA) with RF signal and a lead temperature of 50.8 °C. Absolute Maximum Ratings Parameters Operating device voltage RF input power (continuous) Supply current Operating case temperature Storage temperature Rating 7V +2 dB above Input P1dB 300 mA -40 to + 85°C -40 to + 150°C Remarks More Information Website: www.asb.co.kr E-mail: sales@asb.co.kr Tel: (82) 42-528-7220 Fax: (82) 42-528-7222 ASB Inc., 4th Fl. Venture Town Bldg., 367-17 Goijeong-Dong, Seo-Gu, Daejon 302-716, Korea Application Note Application circuit for 900 MHz Application circuit for 2 GHz Ordering Information Part Number ASG402 EB-ASG402-900 EB-ASG402-2000 1/7 Description High linearity medium power amplifier (Available in tape and reel) Fully assembled evaluation kit (900 MHz) Fully assembled evaluation kit (2000 MHz) www.ASB.co.kr Mar.. 2004 ASG402 Outline Drawing (Unit: mm) 3 a 2 2 1 Pin Description Function Input Ground Output Pin No. 1 2 3 Land Pattern Mounting Configuration (Unit: mm) Note: 1. The number and size of ground via holes in a circuit board is critical for thermal and RF grounding considerations. 2. We recommend that the ground via holes be placed on the bottom of lead pin 2 for better RF and thermal performance, as shown in the drawing at the left side. 2/7 www.ASB.co.kr Mar.. 2004 ASG402 Application Circuit: 900 MHz Typical Performance Frequency Magnitude S21 Magnitude S11 Magnitude S22 Output P1dB Output IP3 2) 1) 1) Schematic 900 MHz 16 dB -15 dB -15 dB 29 dBm 45 dBm 3.3 dB 6V 275 mA 8V C1=10 pF RF IN R3=300 Ω R1=7.5 Ω Vs= 8V R2=1.2 kΩ L2=10 nH C6= C7= 100 pF 1000 pF C8= 1 µF C5=1 µF L1=470 nH C3=100 pF Noise Figure Device Operating Voltage Current Supply Voltage 50 Ω 4.5 mm C2= 8 pF ASG402 50 Ω 9 mm RF OUT L3=33 nH C4=4.7 pF 1) S11 & S22 can be improved, at a specific frequency, by moving an input shunt capacitor (C2) along an input transmission line. 2) OIP3 is measured with two tones at an output power of +14 dBm/tone separated by 1 MHz. Gain vs. Temperature 20 19 18 Board Layout (FR4, 40x40 mm2, 0.8T) Gain ( dB ) 17 16 15 14 13 12 -60 Frequency = 900MHz -40 -20 0 20 o 40 60 80 100 Temperature ( C ) S-parameters 0 -15 -5 S11 ( dB ) -15 S12 ( dB ) -10 + 85 C o + 25 C o - 40 C o -20 + 85 C o + 25 C o - 40 C o -25 -30 -20 -35 -25 600 700 800 900 1000 1100 1200 -40 600 700 800 900 1000 1100 1200 Frequency ( MHz ) 3/7 Frequency ( MHz ) www.ASB.co.kr Mar.. 2004 ASG402 25 10 20 + 85 C o + 25 C o - 40 C S22 ( dB ) o 0 S21 ( dB ) 15 -10 10 -20 + 85 C o + 25 C o - 40 C o 5 -30 0 600 700 800 900 1000 1100 1200 -40 600 700 800 900 1000 1100 1200 Frequency ( MHz ) Frequency ( MHz ) OP1 vs. Frequency 36 34 30 ACPR vs. Channel Power ( Offset = 750kHz) + 85 C o + 25 C o - 40 C ACPR ( dBc ) o Output P1dB ( dBm ) 40 32 30 28 26 24 + 85 C o + 25 C o - 40 C o 50 60 70 22 20 800 80 12 850 900 950 1000 14 16 18 20 22 Frequency ( MHz ) Channel Output Power ( dBm ) IS-95, 9 Channels Forward Output IP3 vs. Frequency ( Pout per tone = 14dBm ) 55 Output IP3 vs. Tone Power 55 50 Output IP3 ( dBm ) Output IP3 ( dBm ) + 85 C o + 25 C o - 40 C o Frequency = 900 MHz 50 + 85 C o + 25 C o - 40 C o 45 45 40 40 35 35 30 800 850 900 950 1000 30 12 14 16 18 20 22 Frequency ( MHz ) 4/7 Pout per tone ( dBm ) www.ASB.co.kr Mar.. 2004 ASG402 Application Circuit: 2000 MHz Typical Performance Frequency Magnitude S21 Magnitude S11 Magnitude S22 Output P1dB Output IP3 2) 1) 1) Schematic 2000 MHz 9 dB -15dB -14 dB 28 dBm 44 dBm 5.0 dB 6V 275 mA 8V RF IN L3=33 nH L1= 100 nH C1= 1.0 pF C3=100 pF R2=1.2 kΩ R3=300 Ω L2= 6.8 nH C5=1 µF Vs=8 V R1=7.5 Ω C6= C7= C8= 100 pF 1000 pF 1 µF Noise Figure Device Operating Voltage Current Supply Voltage 50 Ω 4.5 mm C2=1.8 pF ASG402 50 Ω 4.5 mm RF OUT C4=2.2 pF 1) S11 & S22 can be improved, at a specific frequency, by moving an input shunt capacitor (C2) along an input transmission line. 2) OIP3 is measured with two tones at an output power of +14 dBm/tone separated by 1 MHz. Gain vs. Temperature 13 12 Board Layout (FR4, 40x40 mm2, 0.8T) Frequency = 2GHz 11 Gain ( dB ) 10 9 8 7 6 5 -60 -40 -20 0 20 o 40 60 80 100 Temperature ( C ) S-parameters 0 -5 -10 -10 + 85 C o + 25 C o - 40 C o S11 ( dB ) -30 + 85 C o + 25 C o - 40 C o S12 ( dB ) 2300 -20 -15 -20 -40 -25 -50 1700 1800 1900 2000 2100 2200 -30 1700 1800 1900 2000 2100 2200 2300 Frequency ( MHz ) Frequency ( MHz ) 5/7 www.ASB.co.kr Mar.. 2004 ASG402 20 0 15 + 85 C o + 25 C o - 40 C S22 ( dB ) o -5 + 85 C o + 25 C o - 40 C o S21 ( dB ) 10 -10 5 -15 0 -20 -5 1700 1800 1900 2000 2100 2200 2300 -25 1700 1800 1900 2000 2100 2200 2300 Frequency ( MHz ) Frequency ( MHz ) ACPR vs. Channel Power OP1 vs. Frequency 36 34 30 ( Offset = 750 kHz ) + 85 C o + 25 C o - 40 C ACPR ( dBc ) o o Output P1dB ( dBm ) 40 32 30 28 26 24 + 85 C o + 25 C o - 40 C 50 60 70 22 20 1800 80 12 1850 1900 1950 2000 2050 2100 14 16 18 20 22 Frequency ( MHz ) Channel Output Power ( dBm ) IS-95, 9 Channels Forward Output IP3 vs. Frequency ( Pout per tone = 14 dBm ) 55 55 Output IP3 vs. Tone Power 50 Output IP3 ( dBm ) 45 Output IP3 ( dBm ) + 85 C o + 25 C o - 40 C o Frequency = 2 GHz 50 + 85 C o + 25 C o - 40 C o 45 40 40 35 35 30 1800 1850 1900 1950 2000 2050 2100 30 12 14 16 18 20 22 Frequency ( MHz ) 6/7 Pout per tone ( dBm ) www.ASB.co.kr Mar.. 2004 ASG402 W-CDMA ACLR vs. Channel Power (3GPP W-CDMA, Test Model 1+64 DPCH, E5MHz offset) -40 -45 Frequency = 2GHz ACLR ( dBc ) -50 -55 + 85 C o + 25 C o - 40 C o -60 -65 -70 10 12 14 16 18 20 22 24 Output Channel Power ( dBm ) 7/7 www.ASB.co.kr Mar.. 2004