for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 126 hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206 general description features functional diagram the hmc491lp3 & hmc491LP3E are versatile, inte- grated, low noise ampli ers (lna) featuring a bypass mode intended for 3.4 to 3.8 ghz fixed wireless & wll applications. the ampli er provides 16 db of gain, 2 db noise gure and +3 dbm input ip3 while requiring only 9 ma from a +3v supply. using a single control line, the lna can be switched into a low loss 2.2 db bypass mode reducing the current consump- tion to 20 a. a low cost, leadless 3x3 mm qfn sur- face mount package (lp3) houses the ampli er. no external rf matching components are required. gain: 16 db noise figure: 2 db single supply: +3v @ 9 ma integrated bypass mode 50 ohm matched input/output 3 x 3 x 1 mm qfn smt package electrical speci cations, t a = +25 c, vdd = +3v typical applications the hmc491lp3 / hmc491LP3E is ideal for: ? wireless local loop (wll) ? fixed wireless access ? microwave & vsat radios parameter lna mode lna mode bypass mode units min. typ. max. min. typ. max. min. typ. max. frequency range 3.4 - 3.6 3.6 - 3.8 3.4 - 3.8 ghz gain 14.5 17 13 15.5 -2.8 -2.3 db gain variation over temperature 0.012 0.02 0.012 0.02 0.004 0.008 db / c noise figure 2.2 2.7 2.0 2.5 -- -- db input return loss 12 17 18 db output return loss 9 7 11 db reverse isolation 34 33 -- db input or output power for 1db compression (p1db)* 3 6 4 7 25 28 dbm input third order intercept (ip3) (-20 dbm input power per tone, 1 mhz tone spacing) 1311dbm supply current (idd) 9 9 0.03 ma * p1db for lna mode is referenced to rfout while p1db for bypass mode is referenced to rfin.
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 127 lna mode broadband gain & return loss lna mode gain vs. temperature lna mode input return loss vs. temperature lna mode output return loss vs. temperature lna mode noise figure vs. temperature lna mode reverse isolation vs. temperature -25 -20 -15 -10 -5 0 5 10 15 20 2.8 3 3.2 3.4 3.6 3.8 4 s21 s11 s22 response (db) frequency (ghz) 10 12 14 16 18 20 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c gain (db) frequency (ghz) -20 -15 -10 -5 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c return loss (db) frequency (ghz) -15 -12 -9 -6 -3 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c return loss (db) frequency (ghz) 0 1 2 3 4 5 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c noise figure (db) frequency (ghz) -40 -30 -20 -10 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c isolation (db) frequency (ghz) hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 128 bypass mode insertion loss vs. temperature bypass mode broadband insertion loss & return loss -5 -4 -3 -2 -1 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -25 -20 -15 -10 -5 0 2.8 3 3.2 3.4 3.6 3.8 4 s21 s11 s22 response (db) frequency (ghz) lna mode output p1db vs. temperature lna mode psat vs. temperature lna mode input ip3 vs. temperature lna mode gain, noise figure & supply current vs. supply voltage @ 3.6 ghz 0 2 4 6 8 10 12 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c output p1db (dbm) frequency (ghz) 0 2 4 6 8 10 12 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c psat (dbm) frequency (ghz) -4 -2 0 2 4 6 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) 10 14 18 22 0 2 4 6 8 10 12 2.7 2.8 2.9 3 3.1 3.2 3.3 gain noise figure idd gain (db) noise figure (db), idd (ma) vdd (vdc) hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 129 bypass mode input return loss vs. temperature bypass mode output return loss vs. temperature bypass mode input ip3 vs. temperature bypass mode input p1db vs. temperature 0 4 8 12 16 20 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) 20 22 24 26 28 30 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c input p1db (dbm) frequency (ghz) -25 -20 -15 -10 -5 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c return loss (db) frequency (ghz) -15 -12 -9 -6 -3 0 3.4 3.5 3.6 3.7 3.8 +25 c +85 c -40 c return loss (db) frequency (ghz) hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206 typical supply current vs. vdd vdd (vdc) idd (ma) +2.7 7.6 +3.0 9.0 +3.3 10.2 drain bias voltage (vdd) +7.0 vdc rf input power (rfin) (vdd = +3.0 vdc) lna mode bypass mode 0 dbm +30 dbm channel temperature 150 c continuous pdiss (t = 85 c) (derate 1.8 mw/c above 85 c) 0.117 w thermal resistance (channel to ground paddle) 556 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c absolute maximum ratings lna mode vctl= vdd @ 1.6 ma bypass mode vctl= 0vdc @ -13 a vdd= +3v 10% truth table electrostatic sensitive device observe handling precautions
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 130 pin number function description interface schematic 1, 5 - 8, 12, 13 n/c no connection necessary. these pins may be connected to rf/dc ground. 2, 4, 9, 11, 15 gnd these pins must be connected to rf/dc ground. 3 rf in this pin is ac coupled and matched to 50 ohms. 10 rf out this pin is ac coupled and matched to 50 ohms. 14 vdd power supply voltage. 16 vctl control voltage. vctl= vdd for lna mode. vctl= 0v for bypass mode. pin descriptions outline drawing notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pattern. hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206 part number package body material lead finish msl rating package marking [3] hmc491lp3 low stress injection molded plastic sn/pb solder msl1 [1] 491 xxxx hmc491LP3E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] 491 xxxx [1] max peak re ow temperature of 235 c [2] max peak re ow temperature of 260 c [3] 4-digit lot number xxxx package information
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com low noise amplifiers - smt 8 8 - 131 hmc491lp3 / 491LP3E gaas mmic low noise amplifier w/ bypass mode, 3.4 - 3.8 ghz v03.1206 item description j1 - j2 pcb mount sma rf connector j3 - j6 dc pin u1 hmc491lp3 / hmc491LP3E ampli er pcb [2] 107431 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 evaluation pcb the circuit board used in the nal application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be con- nected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 107174 [1]
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