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| Product Description Stanford Microdevices SGA-4586 is a high performance cascadeable 50-ohm amplifier designed for operation at voltages as low as 3.6V. This RFIC uses the latest Silicon Germanium Heterostructure Bipolar Transistor (SiGe HBT) process featuring 1 micron emitters with FT up to 50 GHz. This circuit uses a darlington pair topology with resistive feedback for broadband performance as well as stability over its entire temperature range. Internally matched to 50 ohm impedance, the SGA-4586 requires only DC blocking and bypass capacitors for external components. Small Signal Gain vs. Frequency Preliminary SGA-4586 DC-4000 MHz Silicon Germanium HBT Cascadeable Gain Block 30 25 dB 20 15 10 0 1 2 3 4 5 Product Features DC-4000 MHz Operation Single Voltage Supply High Output Intercept: +29 dBm typ. at 850 MHz Low Current Draw: 45mA at 3.6V typ. Low Noise Figure: 1.7dB typ. at 850 MHz Applications Oscillator Amplifiers PA for Low Power Applications IF/ RF Buffer Amplifier Drivers for CATV Amplifiers U nits Min. Ty p. 16.5 13.7 12.7 28.6 27.7 26.3 24.1 18.6 17.0 4000 1.40:1 1.30:1 27.1 22.0 20.3 1.9 3.6 97 Max. Frequency GHz Sy mbol Parameters: Test C onditions: Z0 = 50 Ohms, ID = 45 mA, T = 25oC Output Power at 1dB C ompressi on f = 850 MHz f = 1950 MHz f = 2400 MHz f = 850 MHz f = 1950 MHz f = 2400 MHz f = 850 MHz f = 1950 MHz f = 2400 MHz P 1dB dB m dB m dB m dB m dB m dB m dB dB dB MHz IP3 Thi rd Order Intercept Poi nt Power out per tone = 0 dBm S 21 Bandwi dth S11 S 22 S 12 NF VD Rth,j-l Small Si gnal Gai n (D etermi ned by S11, S22 Values) Input VSWR Output VSWR Reverse Isolati on Noi se Fi gure, ZS = 50 Ohms D evi ce Voltage Thermal Resi stance (juncti on - lead) f = D C -4000 MHz f = D C -4000 MHz f = 850 MHz f = 1950 MHz f = 2400 MHz f = 1950 MHz dB dB dB dB V o C /W The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not authorize or warrant any Stanford Copyright 2000 Stanford Microdevices, Inc. All worldwide rights reserved. Microdevices product for use in life-support devices and/or systems. 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 1 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier Absolute Maximum Ratings Operation of this device above any one of these parameters may cause permanent damage. Bias Conditions should also satisfy the following expression: IDVD (max) < (TJ - TOP)/Rth, j-l Parameter Supply Current Operating Temperature M aximum Input Pow er Storage Temperature Range Operating Junction Temperature Value 90 -40 to +85 +5 -40 to +150 +150 Unit mA C dBm C C Key parameters, at typical operating frequencies: Parameter 500 MH z Gai n Noi se Fi gure Output IP3 Output P1dB Input Return Loss Isolati on 850 MH z Gai n Noi se Fi gure Output IP3 Output P1dB Input Return Loss Isolati on 1950 MH z Gai n Noi se Fi gure Output IP3 Output P1dB Input Return Loss Isolati on 2400 MH z Gai n Noi se Fi gure Output IP3 Output P1dB Input Return Loss Isolati on Ty pical 25oC 26.3 1.7 27.7 16.3 16.1 28.4 24.1 1.7 28.6 16.5 15.6 27.1 18.6 1.9 27.7 13.7 18.7 22.0 17.0 2.3 26.3 12.7 20.0 20.3 U nit Test C ondition (ID = 45 mA, unless otherwise noted) dB dB ZS = 50 Ohms dBm Tone spaci ng = 1 MHz, Pout per tone = 0 dBm dB m dB dB dB dB ZS = 50 Ohms dBm Tone spaci ng = 1 MHz, Pout per tone = 0 dBm dB m dB dB dB dB ZS = 50 Ohms dBm Tone spaci ng = 1 MHz, Pout per tone = 0 dBm dB m dB dB dB dB ZS = 50 Ohms dBm Tone spaci ng = 1 MHz, Pout per tone = 0 dBm dB m dB dB 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 2 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier Pin # 1 Function RF IN D escription D ev ice Schematic RF i nput pi n. Thi s pi n requi res the use of an external D C blocki ng capaci tor chosen for the frequency of operati on. GND C onnecti on to ground. Use vi a holes for best performance to reduce lead i nductance. Place vi as as close to ground leads as possi ble. RF OUT/Vcc RF output and bi as pi n. Bi as should be suppli ed to thi s pi n through an external seri es resi stor and RF choke i nductor. Because D C bi asi ng i s present on thi s pi n, a D C blocki ng capaci tor should be used i n most appli cati ons (see appli cati on schemati c). The supply si de of the bi as network should be well bypassed. GND Same as Pi n 2. 2 3 4 Application Schematic for Operation at 850 MHz R ecommended B ias R esistor Values Supply Voltage(Vs) R bias (Ohms) 5V 30 7.5V 91 9V 120 12V 180 1uF 68pF Rbias VS For 7.5V operation or higher, a resistor with a power handling capability of 1/2W or greater is recommended. 50 ohm microstrip 33nH 2 1 100pF 3 4 100pF 50 ohm microstrip Application Schematic for Operation at 1950 MHz 1uF 22pF Rbias VS 22nH 50 ohm microstrip 2 1 68pF 3 4 68pF 50 ohm microstrip 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 3 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier S21, ID =45mA, T=+25C S12, ID =45mA, T=+25C 30 25 dB -10 -15 dB -20 20 15 10 0 1 2 3 Frequency GHz S11, ID =45mA, T=+25C -25 -30 -35 4 5 0 1 2 3 Frequency GHz 4 5 S22, ID =45mA, T=+25C 0 -10 dB 0 -10 dB -20 -20 -30 0 1 2 3 Frequency GHz 4 5 -30 -40 0 1 2 3 Frequency GHz 4 5 S11, ID=45mA, Ta=25C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz S22, ID=45mA, Ta=25C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz 5 GHz 5 GHz 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 4 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier S21, ID =45mA, T=-40C S12, ID =45mA, T=-40C 30 25 dB -10 -15 dB -20 -25 20 15 10 0 1 2 3 Frequency GHz S11, ID =45mA, T=-40C -30 -35 4 5 0 1 2 3 Frequency GHz S22, ID =45mA, T=-40C 4 5 0 -10 dB dB 0 -10 -20 -30 -40 -20 -30 0 1 2 3 4 5 Frequency GHz 0 1 2 3 4 5 Frequency GHz S11, ID=45mA, Ta= -40C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz S22, ID=45mA, Ta= -40C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz 5 GHz 5 GHz 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 5 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier S21, ID =45mA, T=85C 30 25 -10 -15 S12, ID =45mA, T=85C dB 20 15 10 5 0 1 2 3 4 5 dB -20 -25 -30 0 1 2 3 4 5 Frequency GHz S11, ID =45mA, T=85C Frequency GHz S22, ID =45mA, T=85C 0 -10 dB dB 0 -10 -20 -30 -40 -20 -30 0 1 2 3 4 5 Frequency GHz 0 1 2 3 4 5 Frequency GHz S11, ID=45mA, Ta=85C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz S22, ID=45mA, Ta=85C Freq. Min = 0.1 GHz Freq. Max = 5.0 GHz 5 GHz 5 GHz 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 6 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier Part Number Ordering Information Part Number SGA-4586 Reel Size 13" Devices/Reel 3000 Caution ESD Sensitive: Appropriate precautions in handling, packaging and testing devices must be observed. Part Symbolization The part will be symbolized with an A45 designator on the top surface of the package. Evaluation Board Layout PCB Pad Layout Package Dimensions 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 7 http://www.stanfordmicro.com EDS-101266 Rev B Preliminary Preliminary SGA-4586 DC-4000 MHz 3.6V SiGe Amplifier Component Tape and Reel Packaging Tape Dimensions For 86 Outline DESCRIPTION C av ity Length Wi dth S ocket D epth P i tch B ottom Hole di ameter D i ameter P i tch P osi ti on Wi dth Tape Thi ckness SYMBOL A B H K P D1 Do Po E C t W T F P2 SIZE (MM) 6.10 0.10 6.20 0.10 3.10 0.10 2.00 0.10 8.00 0.10 1.50 mi n. 1.50 0.10 4.00 0.10 1.75 0.10 9.10 0.25 0.05 0.01 12.00 0.30 0.30 0.05 5.50 0.05 2.00 0.05 P erforation C ov er Tape C arrier Tape Wi dth Tape Thi ckness D istance C avi ty to P erforati on (Wi dth D i recti on) C avi ty to P erforati on (Length D i recti on) 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 8 http://www.stanfordmicro.com EDS-101266 Rev B |
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