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| Product Description Sirenza Microdevices SGA-3286 is a high performance SiGe HBT MMIC Amplifier. A Darlington configuration featuring 1 micron emitters provides high F T and excellent thermal perfomance. The heterojunction increases breakdown voltage and minimizes leakage current between junctions. Cancellation of emitter junction non-linearities results in higher suppression of intermodulation products. At 850 Mhz and 35mA , the SGA3286 typically provides +25.5 dBm output IP3, 14.5 dB of gain, and +12.2 dBm of 1dB compressed power using a single positive voltage supply. Only 2 DC-blocking capacitors, a bias resistor and an optional RF choke are required for operation. Gain & Return Loss vs. Frequency VD= 2.6 V, ID= 35 mA (Typ.) SGA-3286 DC-5000 MHz, Cascadable SiGe HBT MMIC Amplifier Product Features Broadband Operation: DC-5000 MHz Cascadable 50 Ohm Patented SiGe Technology 20 15 Gain (dB) 10 ORL GAIN IRL 0 -10 -20 -30 -40 0 1 2 3 Frequency (GHz) 4 5 Return Loss (dB) Operates From Single Supply Low Thermal Resistance Package Applications PA Driver Amplifier Cellular, PCS, GSM, UMTS IF Amplifier Wireless Data, Satellite Units dB dBm dBm M Hz dB dB dB V mA C/W 1950 M Hz 1950 M Hz 1950 M Hz 2.3 31 Frequency 850 M Hz 1950 M Hz 2400 M Hz 850 M Hz 1950 M Hz 850 M Hz 1950 M Hz Min. 13.0 Ty p. 14.5 13.0 12.2 12.2 11.3 25.5 24.8 5000 19.2 22.7 3.8 2.6 35 97 2.9 39 Max. 16.0 5 0 Sy mbol G P1dB OIP3 Parameter Small Signal Gain Output Pow er at 1dB Compression Output Third Order Intercept Point Bandw idth Determined by Return Loss (>10dB) IRL ORL NF VD ID RTH, j-l Input Return Loss Output Return Loss Noise Figure Device Operating Voltage Device Operating Current Thermal Resistance (junction to lead) VS = 5 V RBIAS = 68 Ohms ID = 35 mA Typ. TL = 25C Test Conditions: OIP3 Tone Spacing = 1 MHz, Pout per tone = -5 dBm ZS = ZL = 50 Ohms The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza 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. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2001 Sirenza Microdevices, Inc.. All worldwide rights reserved. 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 1 http://www.sirenza.com EDS-100631 Rev. D Preliminary SGA-3286 DC-5000 MHz Cascadable MMIC Amplifier Typical RF Performance at Key Operating Frequencies Sy mbol Parameter Unit 100 Frequency Frequency (MHz) Frequency (MHz)(MHz) 500 850 1950 2400 3500 G OIP3 P1dB IRL ORL S12 NF Small Signal Gain Output Third Order Intercept Point Output Pow er at 1dB Compression Input Return Loss Output Return Loss Reverse Isolation Noise Figure VS = 5 V VS = 8 V RBIAS = 68 Ohms RBIAS = 39 Ohms dB dBm dBm dB dB dB dB 14.9 14.6 25.1 11.8 14.5 25.5 12.2 18.2 24.8 18.6 3.7 13.0 24.8 11.3 19.2 22.7 18.9 3.8 12.2 24.5 10.9 17.8 22.1 19.0 4.0 10.8 28.6 21.4 18.2 22.0 23.1 18.4 3.7 12.3 21.9 19.1 Test Conditions: = 35 mA Typ. IID = 80 mA Typ. D T = 25C TLL = 25C OIP Tone Spacing = 1 MHz, Pout per tone = -5 dBm OIP33 Tone Spacing = 1 MHz, Pout per tone = 0 dBm ZS = Z = 50 Ohms ZS = ZLL= 50 Ohms Noise Figure vs. Frequency 5 Noise Figure (dB) 4 3 2 1 0 0 0.5 1 1.5 2 Frequency (GHz) 2.5 3 Absolute Maximum Ratings Parameter Max. Device Current (ID) Max. Device Voltage (VD) Max. RF Input Pow er Max. Junction Temp. (TJ) Operating Temp. Range (TL) VD= 2.6 V, ID= 35 mA (Typ.) Absolute Limit 70 mA 4V +18 dBm +150C -40C to +85C +150C Max. Storage Temp. TL=+25C Operation of this device beyond any one of these limits may cause permanent damage. For reliable continous operation, the device voltage and current must not exceed the maximum operating values specified in the table on page one. Bias conditions should also satisfy the follow ing expression: IDVD < (TJ - TL) / RTH, j-l 35 30 OIP3 (dBm) VD= 2.6 V, ID= 35 mA (Typ.) OIP3 vs. Frequency 15 13 P1dB (dBm) 11 9 7 VD= 2.6 V, ID= 35 mA (Typ.) P1dB vs. Frequency 25 20 TL=+25C 15 0 0.5 1 1.5 2 Frequency (GHz) 2.5 3 TL=+25C 5 0 0.5 1 1.5 2 Frequency (GHz) 2.5 3 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 2 http://www.sirenza.com EDS-100631 Rev. D Preliminary SGA-3286 DC-5000 MHz Cascadable MMIC Amplifier |S | vs. Frequency 21 |S | vs. Frequency 11 20 15 S21(dB) VD= 2.6 V, ID= 35 mA (Typ.) 0 -10 S11(dB) -20 -30 VD= 2.6 V, ID= 35 mA (Typ.) 10 5 TL 0 0 1 2 3 Frequency (GHz) 4 +25C -40C +85C TL -40 5 +25C -40C +85C 0 1 2 3 Frequency (GHz) 4 5 |S | vs. Frequency 12 |S | vs. Frequency 22 -10 -15 S12(dB) VD= 2.6 V, ID= 35 mA (Typ.) 0 -10 S22(dB) -20 -30 VD= 2.6 V, ID= 35 mA (Typ.) -20 -25 TL -30 0 1 2 3 Frequency (GHz) 4 +25C -40C +85C TL -40 +25C -40C +85C 5 0 1 2 3 Frequency (GHz) 4 5 NOTE: Full S-parameter data available at www.sirenza.com 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 3 http://www.sirenza.com EDS-100631 Rev. D Preliminary SGA-3286 DC-5000 MHz Cascadable MMIC Amplifier Basic Application Circuit R BIAS 1 uF 1000 pF Application Circuit Element Values Reference Designator Frequency (Mhz) 500 850 1950 2400 3500 VS CD LC CB CD LC 220 pF 100 pF 68 nH 100 pF 68 pF 33 nH 68 pF 22 pF 22 nH 56 pF 22 pF 18 nH 39 pF 15 pF 15 nH RF in CB 4 1 SGA-3286 3 2 CB RF out R ecommended B ias R esistor Values for ID=35mA R BIAS=( VS-VD ) / ID Supply Voltage(VS) RBIAS 5V 68 8V 150 10 V 200 12 V 270 VS RBIAS 1 uF 1000 pF Note: RBIAS provi des D C bi as stabi li ty over temperature. Mounting Instructions 1. Use a large ground pad area under device pins 2 and 4 with many plated through-holes as shown. LC CD CB A32 CB 2. We recommend 1 or 2 ounce copper. Measurements for this data sheet were made on a 31 mil thick FR-4 board with 1 ounce copper on both sides. Part Identification Marking The part will be marked with an A32 designator on the top surface of the package. 3 Pin # 1 Function RF IN D escription 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. C onnecti on to ground. Use vi a holes for best performance to reduce lead i nductance as close to ground leads as possi ble. 2, 4 GND 4 A32 2 3 1 For package dimensions, refer to outline drawing at www.sirenza.com RF OUT/ RF output and bi as pi n. D C voltage i s BIAS present on thi s pi n, therefore a D C blocki ng capaci tor i s necessary for proper operati on. Appropriate precautions in handling, packaging and testing devices must be observed. Caution: ESD sensitive Part Number Ordering Information Part Number SGA-3286 Reel Size 13" Devices/Reel 3000 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 4 http://www.sirenza.com EDS-100631 Rev. D Preliminary SGA-3286 DC-5000 MHz Cascadable MMIC Amplifier Dimensions in inches [millimeters] PCB Pad Layout Dimensions in inches [millimeters] Refer to drawing posted at www.sirenza.com for tolerances. Nominal Package Dimensions 522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC 5 http://www.sirenza.com EDS-100631 Rev. D |
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