amplifiers - low noise - chip 1 1 - 1 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com hmc460 gaas phemt mmic low noise amplifier, dc - 20 ghz v04.1010 general description features functional diagram the hmc460 is a gaas mmic phemt low noise distributed amplifer die which operates between dc and 20 ghz. the amplifer provides 14 db of gain, 2.5 db noise fgure and +16 dbm of output power at 1 db gain compression while requiring only 60 ma from a +8v supply. the hmc460 amplifer can easily be integrated into multi-chip-modules (mcms) due to its small size. all data is with the chip in a 50 ohm test fxture connected via 0.025mm (1 mil) diameter wire bonds of minimal length 0.31mm (12 mils). noise figure: 2.5 db @ 10 ghz gain: 14 db @ 10 ghz p1db output power: +16 dbm @ 10 ghz supply voltage: +8v @ 60 ma 50 ohm matched input/output die size: 3.12 x 1.63 x 0.1 mm typical applications the hmc460 is ideal for: ? telecom infrastructure ? microwave radio & vsat ? military & space ? test instrumentation electrical specifcations, t a = +25 c, vdd= 8v, idd= 60 ma* parameter min. typ. max. min. typ. max. min. typ. max. units frequency range dc - 6.0 6.0 - 18.0 18.0 - 20.0 ghz gain 12 14 12 14 11 13 db gain flatness 0.5 0.15 0.25 db gain variation over temperature 0.008 0.016 0.01 0.02 0.01 0.02 db/ c noise figure 4.0 5.0 2.5 3.5 3.0 4.0 db input return loss 17 22 15 db output return loss 17 15 15 db output power for 1 db compression (p1db) 14 17 13 16 12 15 dbm saturated output power (psat) 18 18 17 dbm output third order intercept (ip3) 27.5 28 27 dbm supply current (idd) (vdd= 8v, vgg1= -0.9v typ.) 60 60 60 ma * adjust vgg between -2 to 0v to achieve idd= 60 ma typical.
amplifiers - low noise - chip 1 1 - 2 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com output return loss vs. temperature broadband gain & return loss gain vs. temperature low frequency gain & return loss input return loss vs. temperature noise figure vs. temperature 0 4 8 12 16 20 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c gain (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c return loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c return loss (db) frequency (ghz) 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c noise figure (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 0 2 4 6 8 10 12 14 16 18 20 22 24 26 s21 s11 s22 response (db) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 0.00001 0.0001 0.001 0.01 0.1 1 10 s21 s11 s22 response (db) frequency (ghz) hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 3 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com output p1db vs. temperature psat vs. temperature output ip3 vs. temperature gain, power & noise figure vs. supply voltage @ 10 ghz, fixed vgg1 10 13 16 19 22 25 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c p1db (dbm) frequency (ghz) 10 13 16 19 22 25 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c psat (dbm) frequency (ghz) 18 20 22 24 26 28 30 32 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c ip3 (dbm) frequency (ghz) 8 10 12 14 16 18 0 1 2 3 4 5 7.5 7.75 8 8.25 8.5 noise figure gain p1db gain (db), p1db (dbm) noise figure (db) vdd (v) reverse isolation vs. temperature -70 -60 -50 -40 -30 -20 -10 0 0 2 4 6 8 10 12 14 16 18 20 22 +25 c +85 c -55 c reverse isolation (db) frequency (ghz) hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 4 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com outline drawing absolute maximum ratings notes: 1. all dimensions in inches [millimeters] 2. no connection required for unlabeled bond pads 3. die thickness is 0.004 (0.100) 4. typical bond pad is 0.004 (0.100) square 5. backside metallization: gold 6. backside metal is ground 7. bond pad metalization: gold drain bias voltage (vdd) +9 vdc gate bias voltage (vgg) -2 to 0 vdc gate bias voltage (igg) 2.5 ma rf input power (rfin)(vdd = +8 vdc) +18 dbm channel temperature 175 c continuous pdiss (t = 85 c) (derate 24 mw/c above 85 c) 2.17 w thermal resistance (channel to die bottom) 41.5 c/w storage temperature -65 to +150 c operating temperature -55 to +85 c vdd (v) idd (ma) +7.5 59 +8.0 60 +8.5 62 typical supply current vs. vdd electrostatic sensitive device observe handling precautions die packaging information [1] standard alternate gp-1 (gel pack) [2] [1] refer to the packaging information section for die packaging dimensions. [2] for alternate packaging information contact hittite microwave corporation. hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 5 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com pad number function description interface schematic 1 rfin this pad is dc coupled and matched to 50 ohms. 2 vdd power supply voltage for the amplifer. external bypass capacitors are required 3 acg1 low frequency termination. attach bypass capacitor per application circuit herein. 4 rfout this pad is dc coupled and matched to 50 ohms. 5 acg2 low frequency termination. attach bypass capacitor per application circuit herein. 6 vgg gate control for amplifer. adjust to achieve idd= 60 ma. die bottom gnd die bottom must be connected to rf/dc ground. pad descriptions hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 6 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com assembly diagram hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 7 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com mounting & bonding techniques for millimeterwave gaas mmics the die should be attached directly to the ground plane eutectically or with conductive epoxy (see hmc general handling, mounting, bonding note). 50 ohm microstrip transmission lines on 0.127mm (5 mil) thick alumina thin flm substrates are recommended for bringing rf to and from the chip (figure 1). if 0.254mm (10 mil) thick alumina thin flm substrates must be used, the die should be raised 0.150mm (6 mils) so that the surface of the die is coplanar with the surface of the substrate. one way to accomplish this is to attach the 0.102mm (4 mil) thick die to a 0.150mm (6 mil) thick molybdenum heat spreader (moly-tab) which is then attached to the ground plane (figure 2). microstrip substrates should brought as close to the die as possible in order to minimize bond wire length. typical die-to-substrate spacing is 0.076mm to 0.152 mm (3 to 6 mils). handling precautions follow these precautions to avoid permanent damage. storage: all bare die are placed in either waffle or gel based esd protective containers, and then sealed in an esd protective bag for shipment. once the sealed esd protective bag has been opened, all die should be stored in a dry nitrogen environment. cleanliness: handle the chips in a clean environment. do not attempt to clean the chip using liquid cleaning systems. static sensitivity: follow esd precautions to protect against esd strikes. transients: suppress instrument and bias supply transients while bias is applied. use shielded signal and bias cables to minimize inductive pick-up. general handling: handle the chip along the edges with a vacuum collet or with a sharp pair of bent tweezers. the surface of the chip has fragile air bridges and should not be touched with vacuum collet, tweezers, or fngers. mounting the chip is back-metallized and can be die mounted with ausn eutectic preforms or with electrically conductive epoxy. the mounting surface should be clean and fat. eutectic die attach: a 80/20 gold tin preform is recommended with a work surface temperature of 255 c and a tool temperature of 265 c. when hot 90/10 nitrogen/hydrogen gas is applied, tool tip temperature should be 290 c. do not expose the chip to a temperature greater than 320 c for more than 20 seconds. no more than 3 seconds of scrubbing should be required for attachment. epoxy die attach: apply a minimum amount of epoxy to the mounting surface so that a thin epoxy fllet is observed around the perimeter of the chip once it is placed into position. cure epoxy per the manufacturers schedule. wire bonding ball or wedge bond with 0.025mm (1 mil) diameter pure gold wire. thermosonic wirebonding with a nominal stage temperature of 150 c and a ball bonding force of 40 to 50 grams or wedge bonding force of 18 to 22 grams is recommended. use the minimum level of ultrasonic energy to achieve reliable wirebonds. wirebonds should be started on the chip and terminated on the package or substrate. all bonds should be as short as possible <0.31mm (12 mils). 0.102mm (0.004) thick gaas mmic wire bond rf ground plane 0.127mm (0.005) thick alumina thin film substrate 0.076mm (0.003) figure 1. 0.102mm (0.004) thick gaas mmic wire bond rf ground plane 0.254mm (0.010) thick alumina thin film substrate 0.076mm (0.003) figure 2. 0.150mm (0.005) thick moly tab hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
amplifiers - low noise - chip 1 1 - 8 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com notes: hmc460 v04.1010 gaas phemt mmic low noise amplifier, dc - 20 ghz
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