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 vcos with f o /2 output - smt 8 8 - 1 hmc737lp4 / 737lp4e mmic vco w/ half frequency output 14.9 - 15.5 ghz v01.0209 general description features functional diagram the hmc737lp4(e) is a gaas ingap heterojunction bipolar transistor (hbt) mmic vco. the hmc737lp4(e) integrate a resonator, negative resistance device, varactor diode and feature half frequency output. the vcos phase noise performance is excellent over temperature, shock, and process due to the oscillators monolithic structure. power output is +9 dbm typical from a +4.2v supply voltage. the voltage controlled oscillator is packaged in a leadless qfn 4x4 mm surface mount package, and requires no external matching components. dual output: fo = 14.9 - 15.5 ghz fo/2 = 7.45 - 7.75 ghz pout: +9 dbm phase noise: -105 dbc/hz @ 100 khz no external resonator needed 24 lead 4x4mm smt package: 16mm 2 typical applications the hmc737lp4(e) is ideal for: ? point to point/multipoint radio ? test equipment & industrial controls ? satcom ? military end-use electrical specifcations, t a = +25 c, vcc = +4.2v parameter min. typ. max. units frequency range fo fo/2 14.9 - 15.5 7.45 - 7.75 ghz ghz power output rfout rfout/2 6 -8 9 -3 13 2 dbm dbm ssb phase noise @ 100 khz offset, vtune= +5v @ rfout -105 dbc/hz tune voltage vtune 1 13 v supply current 120 150 180 ma tune port leakage current (vtune= 13v) 10 a output return loss 2.5 db harmonics/subharmonics 1/2 3/2 -45 -42 dbc dbc pulling (into a 2.0:1 vswr) 12 mhz pp pushing @ vtune= 5v 24 mhz/v frequency drift rate 1.2 mhz/c
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 vcos with f o /2 output - smt 8 8 - 2 frequency vs. tuning voltage, vcc = +4.2v sensitivity vs. tuning voltage, vcc = +4.2v ssb phase noise vs. tuning voltage frequency vs. tuning voltage, t= 25c output power vs. tuning voltage, vcc = +4.2v ssb phase noise @ vtune = +5v hmc737lp4 / 737lp4e v01.0209 mmic vco w/ half frequency output 14.9 - 15.5 ghz 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25 c +85 c -40 c frequency (ghz) tuning voltage (volts) 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 vcc = 4.0v vcc = 4.2v vcc = 4.4v frequency (ghz) tuning voltage (volts) 0 100 200 300 400 500 600 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25 c +85 c -40 c sensitivity (mhz/volt) tuning voltage (volts) 4 6 8 10 12 14 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25 c +85 c -40 c output power (dbm) tuning voltage (volts) -150 -130 -110 -90 -70 -50 -30 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 0 1 2 3 4 5 6 7 8 9 10 11 12 13 10khz offset 100khz offset ssb phase noise(dbc/hz) tuning voltage (volts)
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 vcos with f o /2 output - smt 8 8 - 3 absolute maximum ratings vcc +5.5v vtune 0 to 15v junction temperature 135 c continuous pdiss (t=85 c) (derate 19.6 mw/c above 85 c 1 w thermal resistance (junction to ground paddle) 51 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c typical supply current vs. vcc note: vco will operate over full voltage range shown above. vcc (v) icc (ma) 4.0 140 4.2 150 4.4 160 electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [3] hmc737lp4 low stress injection molded plastic sn/pb solder msl1 [1] h737 xxxx hmc737lp4e rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h737 xxxx [1] max peak refow temperature of 235 c [2] max peak refow temperature of 260 c [3] 4-digit lot number xxxx package information rfout/2 frequency vs. tuning voltage, vcc = +4.2v rfout/2 output power vs. tuning voltage, vcc = +4.2v hmc737lp4 / 737lp4e v01.0209 mmic vco w/ half frequency output 14.9 - 15.5 ghz 6 6.5 7 7.5 8 8.5 9 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25 c +85 c -40 c frequency (ghz) tuning voltage (volts) -6 -5 -4 -3 -2 -1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25 c +85 c -40 c output power (dbm) tuning voltage (volts)
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 vcos with f o /2 output - smt 8 8 - 4 outline drawing hmc737lp4 / 737lp4e v01.0209 mmic vco w/ half frequency output 14.9 - 15.5 ghz 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. application circuit
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 vcos with f o /2 output - smt 8 8 - 5 hmc737lp4 / 737lp4e v01.0209 mmic vco w/ half frequency output 14.9 - 15.5 ghz pin descriptions pin number function description interface schematic 1 - 9, 11 - 14, 18, 19, 21, 23, 24 n/c no connection. these pins may be connected to rf/dc ground. performance will not be affected. 10 rfout/2 half frequency output (ac coupled). requires external ac coupling capacitors. 16 rfout rf output (ac coupled). 20 vcc supply voltage, +4.2v 22 vtune control voltage and modulation input. modulation bandwidth dependent on drive source impedance. see determining the fm bandwidth of a wideband varactor tuned vco application note. 15, 17, paddle gnd package bottom has an exposed metal paddle that must be connected to rf/dc ground.
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 vcos with f o /2 output - smt 8 8 - 6 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 backside ground 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 avail - able from hittite upon request. evaluation pcb list of materials for evaluation pcb 123987 [1] item description j1 - j3 pcb mount sma rf connector j4 2 mm dc header c1, c2 100 pf capacitor, 0402 pkg. c3 4.7 f tantalum capacitor u1 hmc737lp4(e) vco pcb [2] 124532 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon 25fr hmc737lp4 / 737lp4e v01.0209 mmic vco w/ half frequency output 14.9 - 15.5 ghz
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