vco s & plos - smt 11 11 - 50 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 HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805 general description features functional diagram the HMC398QS16G & HMC398QS16Ge are single chip gaas ingap heterojunction bipolar transis- tor (hbt) mmic vcos. the HMC398QS16G & HMC398QS16Ge integrate resonators, negative resistance devices, varactor diodes and divide-by-8 prescalers. the vco?s phase noise performance is excellent over temperature, shock, and process due to the oscillator?s monolithic structure. power output is +7 dbm typical from a 5v supply voltage. the voltage controlled oscillator is packaged in a low cost, surface mount 16 leaded qsop package with an exposed base for improved rf and thermal per- formance. the HMC398QS16G & HMC398QS16Ge require no external components pout: +7 dbm phase noise: -105 dbc/hz @100 khz typ. no external resonator needed single supply: 5v @ 325 ma qsop16g smt package typical applications low noise mmic vco w/divide-by-8 for ku-band applications such as: ? point-to-point radios ? point-to-multi-point radios / lmds ? vsat electrical specifi cations, t a = +25 c, vcc1, vcc2 = +5.0v parameter min. typ. max. units frequency range 14.0 - 15.0 ghz power output rf output divided output +3 -9 +7 -6 dbm dbm ssb phase noise @ 100 khz offset, vtune= +5v @ rf output -105 dbc/hz tune voltage vtune 1.0 10.0 v supply current icc 1 (digital) icc 2 (rf) 65 260 ma ma tune port leakage current (vtune= 10v) 10 a output return loss 2db harmonics/subharmonics 1/2 3/2 2nd 5/2 -20 -30 -12 -40 dbc dbc dbc dbc pulling (into a 2.0:1 vswr) 4mhz pp pushing @ vtune= 5v 30 mhz/v frequency drift rate 1.5 mhz/c
vco s & plos - smt 11 11 - 51 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 frequency vs. tuning voltage, t= 25c sensitivity vs. tuning voltage, vcc= +5v frequency vs. tuning voltage, vcc= +5v output power vs. tuning voltage, vcc= +5v ssb phase noise @ vtune= 5v ssb phase noise vs. tuning voltage HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805 13.8 14 14.2 14.4 14.6 14.8 15 15.2 15.4 12345678910 vcc= 4.75v vcc= 5.0v vcc= 5.25v output frequency (ghz) tuning voltage (volts) -150 -135 -120 -105 -90 -75 -60 -45 -30 -15 0 10 3 10 4 10 5 10 6 10 7 +25 c +85 c -40 c ssb phase noise (dbc/hz) offset frequency (hz) -120 -110 -100 -90 -80 -70 -60 12345678910 10 khz offset 100 khz offset ssb phase noise (dbc/hz) tuning voltage (volts) 0 3 6 9 12 15 12345678910 +25 c +85 c -40 c output power (dbm) tuning voltage (volts) 0 50 100 150 200 250 300 350 400 12345678910 +25 c +85 c -40 c sensitivity (mhz/volt) tuning voltage (volts) 13.8 14 14.2 14.4 14.6 14.8 15 15.2 15.4 12345678910 +25 c +85 c -40 c output frequency (ghz) tuning voltage (volts)
vco s & plos - smt 11 11 - 52 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 divided output frequency vs. tuning voltage, vcc= +5v divided output power vs. tuning voltage, vcc= +5v* *note: tuning voltage must not drop below 1.0v for proper divider output. divided output ssb phase noise @ vtune = 5v HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 3 10 4 10 5 10 6 10 7 ssb phase noise (dbc/hz) offset frequency (hz) -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 12345678910 +25 c +85 c -40 c divided output power (dbm) tuning voltage (volts) 1.7 1.72 1.74 1.76 1.78 1.8 1.82 1.84 1.86 1.88 1.9 1.92 1.94 12345678910 +25 c +85 c -40 c divided output frequency (ghz) tuning voltage (volts)
vco s & plos - smt 11 11 - 53 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 absolute maximum ratings outline drawing vcc1, vcc2 +5.5 storage temperature -65 to +150 c operating temperature -40 to +85 c vtune 0 to 11v notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. dimension does not include moldflash of 0.15mm per side. 4. dimension does not include moldflash of 0.25mm per side. 5. all ground leads and ground paddle must be soldered to pcb rf ground. typical supply current vs. vcc note: vco will operate over full voltage range shown above. vcc (v) icc (ma) 4.75 300 5.0 325 5.25 350 electrostatic sensitive device observe handling precautions HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805 part number package body material lead finish msl rating package marking [3] HMC398QS16G low stress injection molded plastic sn/pb solder msl1 [1] h398 xxxx HMC398QS16Ge rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h398 xxxx [1] max peak refl ow temperature of 235 c [2] max peak refl ow temperature of 260 c [3] 4-digit lot number xxxx package information
vco s & plos - smt 11 11 - 54 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 pin descriptions pin number function description interface schematic 1 rfout rf output (ac coupled). 2, 3, 4, 6, 8, 9, 10, 13, 14, 16 n/c no connection 5vtune control voltage input. modulation port bandwidth dependent on drive source impedance. 7, 15 vcc1, vcc2 supply voltage, 5v 11 out d ivi d e d o ut put 12 nout divided output 180 output phase with pin 11. gnd package bottom has an exposed metal paddle that must be rf & dc grounded. HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805
vco s & plos - smt 11 11 - 55 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 the circuit board used in the fi nal application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and backside ground slug 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 hittite upon request. evaluation pcb item description j1 - j4 pcb mount sma rf connector j5 - j6 2 mm dc header c1 - c2 10 f tantalum capacitor c3 - c6 1,000 pf capacitor 0402 pkg. u1 HMC398QS16G / HMC398QS16Ge vco pcb [2] 104436 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805 list of materials for evaluation pcb 104711 [1]
vco s & plos - smt 11 11 - 56 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 typical application circuit HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805
vco s & plos - smt 11 11 - 57 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 notes: HMC398QS16G / 398qs16ge ku-band mmic vco with divide-by-8, 14 - 15 ghz v02.0805
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