amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 1 1 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 1 features ? high gain: 21 db ? output p1db: 20 dbm ? variable gain with adjustable bias ? lead - free 3 mm qfn package ? halogen - free green mold compound ? rohs* compliant description the maam - 010651 is a 3 - stage, buffer amplifier with a 20 dbm output p1db. the surface mount 3 mm qfn package allows easy assembly. this amplifier is fully matched to 50 ohms on both the input and output. it is designed for use as an lo buffer amplifier stage or as a driver amplifier in transmit chains and is ideally suited for 38 ghz band point - to - point radios. each device is 100% rf tested to ensure performance compliance. the part is fabricated using an efficient phemt process. the mttf is >1,000,000 hours at a 150 o c junction temperature. ordering information 1 part number package maam - 010651 - 000000 bulk packaging maam - 010651 - tr0500 500 piece reel maam - 010651 - tr1000 1000 piece reel maam - 010651 - 000smb sample evaluation board * restrictions on hazardous substances, european union directive 2011/65/eu functional schematic pin configuration 2,3 pin no. function pin no. function 1 no connection 9 ground 2 ground 10 rf out 3 rf in 11 ground 4 ground 12 no connection 5 v g 1 13 v d 3 6 v g 2 14 v d 2 7 v g 3 15 v d 1 8 no connection 16 no connection paddle 3 ground 1. reference application note m513 for reel size information. 2. macom recommends connecting unused package pins to ground. 3. the exposed pad centered on the package bottom must be connected to rf, dc and thermal ground.
amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 2 2 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 2 parameter units min. typ. max. input return loss db 7 output return loss db 10 small signal gain db 17 21 24.5 reverse isolation (s12) db 40 output p1db dbm 20 output ip3 (@ +4 dbm scl) dbm 27 30.5 p sat dbm 19.5 22 electrical specifications: freq. 37 - 40 ghz, t b = 30c 4 , v dd = 4 v, i dq = 250 ma 5 , p in = - 14 dbm, z 0 = 50 ? maximum operating ratings 6,7 parameter absolute maximum input power +20 dbm drain supply voltage +4.3 v gate supply voltage - 1.5 to 0 v operating temperature - 40c to +85c junction temperature +150 c storage temperature - 55c to +150c esd machine model class a esd human body model class 1a msl msl3 6. exceeding any one or combination of these limits may cause permanent damage to this device. 7. macom does not recommend sustained operation near these survivability limits. 4. t b = mmic base temperature 5. adjust v gg between - 1.0 and - 0.1 v to achieve specified i dq . handling procedures please observe the following precautions to avoid damage: static sensitivity gallium arsenide integrated circuits are sensitive to electrostatic discharge (esd) and can be damaged by static electricity. proper esd control techniques should be used when handling these devices.
amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 3 3 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 3 maam - 010651 - 000000 : small signal gain (s21) vd = 4v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : input return loss (s11) vd = 4v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : output return loss (s22) vd = 4v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : reverse isolation (s12) vd = 4v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : oip3 vs freq pscl=+5dbm; vd1,2,3=4.0v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : c/i3 vs freq pscl=+5dbm; vd1,2,3=4.0v, id1 = id2 = 62.5ma, id3 = 125ma typical performance curves s21 (db) s11 (db) s22 (db) s12 (db) oip3 (dbm) c/i3 (dbc) frequency (ghz) frequency (ghz) frequency (ghz) frequency (ghz) frequency (ghz) frequency (ghz) 0 5 1 0 1 5 2 0 2 5 3 0 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 - 3 0 - 2 5 - 2 0 - 1 5 - 1 0 - 5 0 5 1 0 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 - 3 0 - 2 5 - 2 0 - 1 5 - 1 0 - 5 0 5 1 0 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 - 6 0 - 5 5 - 5 0 - 4 5 - 4 0 - 3 5 - 3 0 - 2 5 - 2 0 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 4 0 4 2 4 4 4 6 4 8 5 0 5 2 5 4 5 6 5 8 6 0 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0
amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 4 4 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 4 mttf typical performance curves (cont.) maam - 010651 - 000000 : p1db vs freq vd1,2,3= 4.0v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : psat vs freq vd1,2,3= 4.0v, id1 = id2 = 62.5ma, id3 = 125ma maam - 010651 - 000000 : mttf hours vs. package base temperature vd1,2,3= 4v; id1=id2=62.5ma, id3=125ma maam - 010651 - 000000 : tch(max) vs. package base temperature vd1,2,3= 4v; id1=id2=62.5ma, id3=125ma maam - 010651 - 000000 : operating power de - rating curve (continuous) frequency (ghz) frequency (ghz) p1db (dbm) psat (dbm) tch_max( o c) pdiss (w) package base temp ( o c) package base temp ( o c) package base temp ( o c) 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 3 7 3 7 . 5 3 8 3 8 . 5 3 9 3 9 . 5 4 0 1 . 0 e + 0 3 1 . 0 e + 0 4 1 . 0 e + 0 5 1 . 0 e + 0 6 1 . 0 e + 0 7 1 . 0 e + 0 8 1 . 0 e + 0 9 1 . 0 e + 1 0 1 . 0 e + 1 1 1 . 0 e + 1 2 1 . 0 e + 1 3 1 . 0 e + 1 4 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 2 0 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 0 . 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 1 . 4 1 . 6 1 . 8 2 . 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0
amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 5 5 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 5 app note [1] biasing - it is recommended to bias the amplifier with v d = 4 v and i d _ total = 250 ma. it is also recommended to use active biasing to keep the currents constant as the rf power and temperature vary; this gives the most reproducible results. depending on the supply voltage available and the power dissipation constraints, the bias circuit may be a single transistor or a low power operational amplifier, with a low value resistor in series with the drain supply used to sense the current. the gate of the phemt is controlled to maintain correct drain current and thus drain voltage. the typical gate voltage needed to do this is - 0.3 v. typically the gate is protected with silicon diodes to limit the applied voltage. also, make sure to sequence the applied voltage to ensure negative gate bias is available before applying the positive drain supply. app note [2] bias arrangement - each dc pin (v d and v g ) needs to have dc bypass capacitance (100 pf/10 nf/1 f) as close to the package as possible. lead - free 3 mm qfn package
amplifier, buffer 37 - 40 ghz rev. v4 maam - 010651 6 6 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 6 m/a - com technology solutions inc. all rights reserved. information in this document is provided in connection with m/a - com technology solutions inc ("macom") products. these materials are provided by macom as a service to its customers and may be used for informational purposes only. except as provided in macom's terms and conditions of sale for such products or in any separate agreement related to this document, macom assumes no liability whatsoever. macom assumes no responsibility for errors or omissions in these materials. macom may make changes to specifications and product descriptions at any time, without notice. macom makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. no license, express or implied, by estoppels or otherwise, to any intellectual property rights is granted by this document. these materials are provided "as is" without warranty of any kind, either express or implied, relating to sale and/or use of macom products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right. macom further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. macom shall not be liable for any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of these materials. macom products are not intended for use in medical, lifesaving or life sustaining applications. macom customers using or selling macom products for use in such applications do so at their own risk and agree to fully indemnify macom for any damages resulting from such improper use or sale.
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