Product Description SNA-576 Stanford Microdevices’ SNA-576 is a GaAs monolithic broadband amplifier housed in a low-cost stripline ceramic package. This amplifier provides 19dB of gain when biased at 70mA and 5.0V. DC-3 GHz, Cascadable GaAs MMIC Amplifier External DC decoupling capacitors determine low frequency response. The use of an external resistor allows for bias flexibility and stability. These unconditionally stable amplifiers are designed for use as general purpose 50 ohm gain blocks. Also available in chip form (SNA-500), its small size (0.4mm x 0.4mm) and gold metallization make it an ideal choice for use in hybrid circuits. The SNA-576 is available in tape and reel at 1000, 3000 and 5000 devices per reel. Output Power vs. Frequency 22 20 Product Features • Cascadable 50 Ohm Gain Block • 19dB Gain, +18dBm P1dB • 1.5:1 Input and Output VSWR • Operates From Single Supply • Low Cost Stripline Mount Ceramic Package • Hermetically Sealed 16 Applications • Narrow and Broadband Linear Amplifiers • Commercial and Industrial Applications 14 12 0.1 1 2 3 4 5 GHz Electrical Specifications at Ta = 25C Sym bol G P G F BW 3dB P 1dB N F VSW R IP T 3 D IS O L VD P a r a m e t e r s : T e s t C o n d itio n s : Id = 7 0 m A , Z 0 = 5 0 O h m s U n its M in . Ty p . 1 8 .0 1 6 .0 1 5 .0 2 0 .0 1 8 .0 1 7 .0 S m a ll S ig n a l P o w e r G a in f = 0 .1 -1 .0 G H z f = 1 .0 -2 .0 G H z f = 2 .0 -3 .0 G H z dB dB dB G a in F la tn e s s f = 0 .1 -2 .0 G H z dB + /- 1 .0 G H z 3 .0 1 8 .0 3 d B B a n d w id th O u tp u t P o w e r a t 1 d B C o m p r e s s io n f = 2 .0 G H z dBm N o is e F ig u r e f = 2 .0 G H z dB In p u t / O u tp u t f = 0 .1 -8 .0 G H z T h ir d O r d e r In te r c e p t P o in t f = 2 .0 G H z dBm 3 4 .0 G r o u p D e la y f = 2 .0 G H z psec 120 R e v e r s e Is o la tio n f = 0 .1 -8 .0 G H z D e v ic e V o lta g e 4 .2 M ax. 5 .0 1 .5 :1 dB V 2 2 .0 4 .3 5 .0 d G /d T D e v ic e G a i n T e m p e ra t u r e C o e ff ic ie n t d B /d e g C -0 .0 0 2 7 d V /d T D e v ic e V o lt a g e T e m p e r a t u re C o e ff ic ie n t m V /d e g C -5 .0 5 .7 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 user’s 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 Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved. 522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC 5-73 http://www.stanfordmicro.com 50 Ohm Gain Blocks 18 dB SNA-576 DC-3 GHz Cascadable MMIC Amplifier Typical Performance at 25° C (Vds = 5.0V, Ids = 70mA) |S21| vs. Frequency |S11| vs. Frequency 22 0 20 -5 18 dB dB -10 16 -15 14 12 -20 0.1 1 2 3 4 0.1 5 1 2 GHz 3 4 5 GHz |S12| vs. Frequency |S22| vs. Frequency 0 0 -5 -5 -10 dB dB -10 -15 -15 -20 -25 -20 0.1 1 2 3 4 5 0.1 1 2 3 4 5 50 Ohm Gain Blocks GHz GHz TOIP vs. Frequency Noise Figure vs. Frequency 38 6 36 5 34 dBm dB 32 4 30 28 3 0.1 1.0 2 3 4 0.1 5 1 2 3 4 5 GHz GHz Typical S-Parameters Vds = 5.0V, Ids = 70mA Freq GHz |S11| S11 Ang |S21| S21 Ang |S12| S12 Ang |S22| S22 Ang .100 0.219 156 10.104 -76 0.065 106 0.178 -124 .250 0.146 173 10.087 -44 0.078 147 0.110 -152 .500 0.179 110 8.744 134 0.079 -26 0.152 131 1.00 0.190 51 8.302 92 0.080 -49 0.180 85 1.50 0.183 -7 7.747 46 0.081 -76 0.212 33 2.00 0.153 -56 7.348 5 0.083 -100 0.230 -13 2.50 0.106 -106 6.651 -40 0.085 -128 0.233 -63 3.00 0.050 -153 5.943 -78 0.087 -154 0.219 -107 (S-Parameters include the effects of two 1.0 mil diameter bond wires, each 20 mils long, connected to the gate and drain pads on the die) 522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC 5-74 http://www.stanfordmicro.com SNA-576 DC-3 GHz Cascadable MMIC Amplifier Absolute Maximum Ratings Part Number Ordering Information A b s o lu te M a xim u m P a r am e te r D e vic e Cu rren t Part Number Devices Per Reel SNA-576-TR1 1000 Reel Size 7" 3000 13" 5000 13" 1 00 m A Po w e r D is sip a tio n 5 60 m W SNA-576-TR2 R F In pu t P ow e r 2 00 m W SNA-576-TR3 Ju n ctio n Tem p era tu re +2 0 0 C O p e ratin g Te m p e ra tu re -4 5 C to +8 5C Sto ra g e Te m p e ra ture -6 5 C to +1 50 C Recommended Bias Resistor Values Notes: 1. Operation of this device above any one of these parameters may cause permanent damage. Supply Voltage(Vs) 5V 7.5V 9V 12V 15V 20V Rbias (Ohms) * 36 57 100 143 214 * Needs active biasing for constant current source MTTF vs. Temperature @ Id = 70mA Lead Temperature Junction Temperature MTTF (hrs) +45C +155C 1000000 +80C +190C 100000 +110C +220C 10000 6.0 50 Ohm Gain Blocks 5.0 Thermal Resistance (Lead-Junction): 315° C/W Typical Biasing Configuration Pin Designation 1 RF in 2 GND 3 RF out and Bias 4 GND Typical Performance at 25° C Device Voltage vs. Current - Id Power Gain vs. Device Current dB 6 21 20 19 18 17 16 15 14 13 12 5.5 Vdc 80mA 0 1 2 3 4 4.5 70mA 60mA 50mA 40mA 4 65 5 GHz 522 Almanor Ave., Sunnyvale, CA 94086 5 70 75 80 85 90 95 mA Phone: (800) SMI-MMIC 5-75 http://www.stanfordmicro.com