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 vcos - smt 12 12 - 30 mmic vco w/ buffer amplifier, 3.9 - 4.45 ghz v03.0209 general description features functional diagram the hmc391lp4 & HMC391LP4E are gaas ingap heterojunction bipolar transistor (hbt) mmic vcos with integrated resonators, negative resistance devices, varactor diodes, and buffer ampli ers. covering 3.9 to 4.45 ghz, the vcos phase noise performance is excellent over temperature, shock, vibration and process due to the oscillators monolithic structure. power output is 5.0 dbm typical from a single supply of +3v @ 30 ma. the voltage controlled oscillator is packaged in a low cost leadless qfn 4 x 4 mm surface mount package. pout: +5.0 dbm phase noise: -106 dbc/hz @100 khz no external resonator needed single supply: +3v @ 30 ma 24 lead 4x4mm qfn package: 9 mm 2 typical applications low noise mmic vco w/buffer ampli er for: ? vsat & microwave radio ? radio altimetry ? test equipment & industrial controls ? military electrical speci cations, t a = +25 c, vcc = +3v parameter min. typ. max. units frequency range 3.9 - 4.45 ghz power output 1.5 5.0 dbm ssb phase noise @ 100 khz offset, vtune= +5v @ rf output -106 dbc/hz tune voltage (vtune) 0 10 v supply current (icc) (vcc = +3v) 30 40 ma tune port leakage current 10 a output return loss 7db harmonics 2nd 3rd -9 -23 dbc dbc pulling (into a 2.0:1 vswr) 8.0 mhz pp pushing @ vtune= +5v 16 mhz/v frequency drift rate 0.5 mhz/c hmc391lp4 / 391lp4e
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 vcos - smt 12 12 - 31 frequency vs. tuning voltage, t= 25c sensitivity vs. tuning voltage, vcc= +3v typical ssb phase noise @ vtune= +5v phase noise vs. tuning voltage frequency vs. tuning voltage, vcc= +3v output power vs. tuning voltage, vcc= +3v hmc391lp4 / 391lp4e 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 012345678910 vcc=2.75v vcc=3.0v vcc=3.25v output frequency (ghz) tuning voltage (volts) 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 012345678910 +25 c +85 c -40 c output frequency (ghz) tuning voltage (volts) 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 +25 c +85 c -40 c 012345678910 sensitivity (mhz/volt) tuning voltage (volts) 0 1 2 3 4 5 6 7 8 +25 c +85 c -40 c 012345678910 output power (dbm) tuning voltage (volts) -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 -60 012345678910 10 khz offset 100 khz offset ssb phase noise (dbc/hz) tuning voltage (volts) -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 +25 c +85 c -40 c ssb phase noise (dbc/hz) offset frequency (hz) mmic vco w/ buffer amplifier, 3.9 - 4.45 ghz v03.0209
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 vcos - smt 12 12 - 32 absolute maximum ratings outline drawing vcc +3.5 vdc vtune 0 to +11v channel temperature 135 c continuous pdiss (t = 85c) (derate 3 mw/c above 85c) 150 mw thermal resistance (junction to ground paddle) 333 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) 2.75 22 3.0 30 3.25 39 electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [3] hmc391lp4 low stress injection molded plastic sn/pb solder msl1 [1] h391 xxxx HMC391LP4E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h391 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 hmc391lp4 / 391lp4e mmic vco w/ buffer amplifier, 3.9 - 4.45 ghz v03.0209 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 solered to pcb rf ground. 7. refer to hittite application note for suggested pcb land pattern
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 vcos - smt 12 12 - 33 pin number function description interface schematic 1- 14, 17 - 19, 21, 23, 24 n/c no connection 15 gnd this pin must be connected to rf & dc ground. package bottom has an exposed metal paddle that must be rf & dc grounded. 16 rfout rf output (ac coupled) 20 vcc supply voltage vcc= 3v 22 vtune control voltage input. modulation port bandwidth dependent on drive source impedance. pin descriptions hmc391lp4 / 391lp4e mmic vco w/ buffer amplifier, 3.9 - 4.45 ghz v03.0209 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. evaluation pcb list of materials for evaluation pcb 105706 [1] item description j1 - j2 pcb mount sma rf connector j3 - j4 dc pin c1 4.7 f tantalum capacitor c2 10,000 pf capacitor, 0603 pkg. u1 hmc391lp4 / HMC391LP4E vco pcb [2] 105667 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350
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