amplifiers - linear & power - smt 1 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz general description features functional diagram the HMC5805ALS6 is a gaas phemt mmic dis - tributed power amplifer which operates between dc and 40 ghz. the amplifer provides 11.5 db of gain, 29 dbm output ip3 and +24 dbm of output power at 1 db gain compression while requiring 175 ma from a +10 v supply. the HMC5805ALS6 is ideal for ew, ecm, radar and test equipment applications. the HMC5805ALS6 amplifer i/os are internally matched to 50 ohms and the 6x6 mm smt package is well suited for automated assembly techniques. high p1db output power: 24.5 dbm high psat output power: 27 dbm gain: 11.5 db output ip3: 29 dbm supply voltage: +10 v @ 175 ma 16 lead ceramic 6x6 mm smt package: 36 mm 2 typical applications the HMC5805ALS6 is ideal for: ? test instrumentation ? microwave radio & vsat ? military & space ? telecom infrastructure ? fiber optics electrical specifcations, t a = +25 c, vdd = +10 v, vgg2 = +3.5 v, idd = 175 ma* parameter min. typ. max. min. typ. max. min. typ. max. units frequency range dc - 5 5 - 30 30 - 40 ghz gain 9 12.5 9 11. 5 11. 5 db gain flatness 1.0 0.75 0.75 db gain variation over temperature 0.01 0.02 0.025 db/ c input return loss 17 11 11 db output return loss 18 13 9 db output power for 1 db compression (p1db) 19 25 18 24.5 23 dbm saturated output power (psat) 27 27 26 dbm output third order intercept (ip3) 34 29 26 dbm noise figure 4.5 4 7 db supply current (idd) (vdd= 10v, vgg1= -0.8v typ.) 175 175 175 ma * adjust vgg1 between -2 to 0 v to achieve idd = 175 ma typical. for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifcations subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners.
amplifiers - linear & power - smt 2 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz output return loss vs. temperature gain & return loss gain vs. temperature noise figure vs. temperature input return loss vs. temperature p1db vs. temperature -20 -15 -10 -5 0 5 10 15 20 0 5 10 15 20 25 30 35 40 45 50 s21 s11 s22 response (db) frequency (ghz) 0 2 4 6 8 10 12 14 16 18 20 0 5 10 15 20 25 30 35 40 +25c +85c -40c gain (db) frequency (ghz) 16 18 20 22 24 26 28 30 0 5 10 15 20 25 30 35 40 +25c +85c -40c p1db (dbm) frequency (ghz) 0 2 4 6 8 10 0 4 8 12 16 20 24 28 32 36 40 +25c +85c -40c noise figure(db) frequency (ghz) -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 0 5 10 15 20 25 30 35 40 +25c +85c -40c return loss (db) frequency (ghz) -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 0 4 8 12 16 20 24 28 32 36 40 +25c +85c -40c return loss (db) frequency (ghz) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 3 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz output ip3 vs. temperature @ pout=12 dbm / tone psat vs. supply voltage p1db vs. supply current psat vs. supply current p1db vs. supply voltage psat vs. temperature 16 18 20 22 24 26 28 30 0 5 10 15 20 25 30 35 40 +8v +10v +11v p1db (dbm) frequency (ghz) 16 18 20 22 24 26 28 30 0 5 10 15 20 25 30 35 40 +25c +85c -40c psat (dbm) frequency (ghz) 16 18 20 22 24 26 28 30 0 5 10 15 20 25 30 35 40 +8v +10v +11v psat (dbm) frequency (ghz) 16 18 20 22 24 26 28 30 0 4 8 12 16 20 24 28 32 36 40 125 ma 175 ma p1db (dbm) frequency (ghz) 16 18 20 22 24 26 28 30 0 4 8 12 16 20 24 28 32 36 40 125 ma 175 ma psat (dbm) frequency (ghz) 20 24 28 32 36 40 0 5 10 15 20 25 30 35 40 +25c +85c -40c frequency (ghz) ip3 (dbm) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 4 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz power compression @ 20ghz output im3 @ vdd=+8v output im3 @ vdd=+11v reverse isolation vs. temperature output ip3 vs. supply voltage @ pout=12 dbm / tone output im3 @ vdd=+10v 20 24 28 32 36 40 0 5 10 15 20 25 30 35 40 +8v +10v +11v frequency (ghz) ip3 (dbm) 0 10 20 30 40 50 60 70 80 0 2 4 6 8 10 12 14 16 2ghz 8ghz 14ghz 20ghz 24ghz 28ghz 30ghz im3 (dbc) pout/tone (dbm) 0 10 20 30 40 50 60 70 80 0 2 4 6 8 10 12 14 16 2 ghz 8 ghz 14 ghz 20 ghz 24 ghz 28 ghz 30 ghz im3 (dbc) pout/tone (dbm) 0 10 20 30 40 50 60 70 80 0 2 4 6 8 10 12 14 16 2 ghz 8 ghz 14 ghz 20 ghz 24 ghz 28 ghz 30 ghz im3 (dbc) pout/tone (dbm) -80 -70 -60 -50 -40 -30 -20 -10 0 0 4 8 12 16 20 24 28 32 36 40 44 +25c +85c -40c isolation (db) frequency (ghz) 0 4 8 12 16 20 24 28 160 170 180 190 200 210 220 230 0 2 4 6 8 10 12 14 16 18 idd pout gain pae pout(dbm), gain(db), pae(%) idd (ma) input power (dbm) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 5 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz power dissipation @ 85c gain and power vs. supply current gain and power vs. supply voltage second harmonics vs. temperature @ pout=14 dbm second harmonics vs. vdd @ pout=14 dbm second harmonics vs. pout 5 10 15 20 25 30 8 9 10 11 gain(db) p1db(dbm) psat(dbm) vdd (v) gain (db), p1db (dbm), psat (dbm) 5 10 15 20 25 30 125 135 145 155 165 175 gain(db) p1db(dbm) psat(dbm) idd (ma) gain (db), p1db (dbm), psat (dbm) 0 1 2 3 0 3 6 9 12 15 18 4ghz 10ghz 20ghz 30ghz power dissipation (w) input power (dbm) 0 10 20 30 40 50 60 0 4 8 12 16 20 24 +25c +85c -40c second harmonic (dbc) frequency(ghz) 0 10 20 30 40 50 60 0 4 8 12 16 20 24 +8v +10v +11v second harmonic (dbc) frequency(ghz) 0 10 20 30 40 50 60 0 4 8 12 16 20 24 +4dbm +6dbm +8dbm +10dbm +12dbm +14dbm second harmonic (dbc) frequency(ghz) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 6 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz absolute maximum ratings drain bias voltage (vdd) 12v gate bias voltage (vgg1) -3 to 0 vdc gate bias voltage (vgg2) for vdd = 12v, vgg2 = 5.5v id d >14 5ma for vdd between 8.5v to 11v, vgg2 = (vdd - 6.5v) up to 4.5v for vdd < 8.5v, vgg2 must remain > 2v rf input power (rfin) 22 dbm channel temperature 175 c continuous pdiss (t= 85 c) (derate 32.2 mw/c above 85 c) 2.89 w thermal resistance (channel to ground paddle) 31.1 c/ w storage temperature -65 to 150 c operating temperature -40 to 85 c esd sensitivity (hbm) class1b passed 500v electrostatic sensitive device observe handling precautions typical supply current vs. vdd outline drawing table 1. package information part number package body material lead finish msl rating package option package marking [1] HMC5805ALS6 alumina, white gold over nickel msl3 ep-16-2 h5805a xxxx HMC5805ALS6tr alumina, white gold over nickel msl3 ep-16-2 h5805a xxxx [1] 4-digit lot number xxxx vdd (v) idd (ma) +8 175 +10 175 + 11 175 note: amplifer will operate over full voltage ranges shown above. vgg adjusted to achieve idd = 175 ma. 16-terminal ceramic leadless chip carrier with heat sink [lcc_hs] dimensions shown in millimeters. for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 7 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz pin number function description interface schematic 1, 2, 14 acg2 low frequency termination. attach bypass capacitor per application circuit herein. acg1 low frequency termination. attach bypass capacitor per application circuit herein. rfout & vdd rf output for amplifer. connect dc bias (vdd) network to provide drain current (idd). see application circuit herein. 3 vgg2 gate control 2 for amplifer. attach bypass capacitors per application circuit herein. for normal operation +3.5v should be applied to vgg2. 6 rfin this pin is dc coupled and matched to 50 ohms. blocking capacitor is required. 9 vgg1 gate control 1 for amplifer. attach bypass capacitors per application circuit herein. please follow mmic amplifer biasing procedure application note. 10 acg4 low frequency termination. attach bypass capacitor per application circuit herein. 11 acg3 low frequency termination. attach bypass capacitor per application circuit herein. 5, 7, 13, 15 gnd these pins and exposed ground paddle must be connected to rf/dc ground. 4, 8, 12, 16 n/c these pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. pin descriptions for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 8 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz note 1: drain bias (vdd) must be applied through a broadband bias tee with low series resistance and capable of providing 250 ma application information ? application circuit biasing procedures: dc bias must be applied to the drain via an rf choke/inductor connection to the rfout/vdd pin. gate bias must be applied to vgg1 and vgg2. capacitive bypassing is recommended for all of the dc bias pins and ac terminations to ground are recom - mended for acg1-acg4, as shown in the application circuit. the recommended bias sequence during power-up is as follows: 1. set vgg1 to ?2.0 v to pinch off the channels of the lower fets. 2. set vdd to 10.0 v. because the lower fets are pinched off, idq remains very low upon application of vdd. 3. set vgg2 to 3.5 v. 3. adjust vgg1 to be more positive until a quiescent drain current of 175 ma has been obtained. 4. apply the rf input signal. the recommended bias sequence during power-down is as follows: 1. turn off the rf input signal. 2. set vgg1 to ?2.0 v to pinch off the channels of the lower fets. 3. set vgg2 to 0 v. 4. set vdd to 0 v. 5. set vgg1 to 0 v. power-up and power-down sequences may differ from the ones described, though care must always be taken to ensure adherence to the values shown in the absolute maximum ratings. unless otherwise noted, all measurements and data shown were taken using the typical application circuit as confg - ured on our evaluation board. the bias conditions shown in the specifcations section are the operating points recom - mended to optimize the overall performance. operation using other bias conditions may provide performance that differs from what is shown in this data sheet. for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 9 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected 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 analog devices upon request. evaluation pcb list of materials for evaluation ev1HMC5805ALS6 [1] item description j1, j2 pcb mount k connectors, sri j5, j6 dc pins c3 - c5 100 pf capacitors, 0402 pkg. c8 - c11 0.01 f capacitors, 0603 pkg. c13, c15, c16 , c18 4.7 f capacitors, case a pkg. r2 zero ohm resistor, 0402 pkg. u1 HMC5805ALS6 amplifer pcb [2] 128996 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
amplifiers - linear & power - smt 10 HMC5805ALS6 v02.0517 gaas phemt mmic 0.25 watt power amplifier dc - 40 ghz theory of operation the HMC5805ALS6 is a gaas, phemt, mmic power amplifer. its basic architecture is that of a cascode distributed amplifer which allows for control of dc bias for a drain and two gates. the cascode distributed architecture uses a fundamental cell consisting of a stack of two feld effect transistors (fets) with the source of the upper fet connected to the drain of the lower fet. the fundamental cell is then duplicated several times, with a transmission line feed - ing the rfin signal to the gates of the lower fets and a separate transmission line interconnecting the drains of the upper fets and routing the amplifed signal to the rfout/vdd pin. additional circuit design techniques are used around each cell to optimize the overall performance for broadband operation. the major beneft of this architecture is that high performance is maintained across a bandwidth far greater than what a single instance of the fundamen - tal cell would provide. additionally, acg1-acg4 provide access to internal nodes which, when provided with the recommended ac terminations to ground, ensure that the overall response remains fat across the widest possible frequency range. a simplifed schematic of architecture is shown in below. schematic of architecture rfin vgg 2 acg 2 rfout / vdd t - line t - line vgg 1 acg 4 acg 3 acg 1 for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
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