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 wideband vcos - smt 8 8 - 1 wideband mmic vco w/ buffer amplifier, 4 - 8 ghz v02.0810 general description features functional diagram the HMC586LC4B is a wideband gaas ingap voltage controlled oscillator which incorporates the resonator, negative resistance device, and varactor diode. output power and phase noise performance are excellent over temperature due to the oscillators monolithic construction. the vtune port accepts an analog tuning voltage from 0 to +18v. the HMC586LC4B vco operates from a single +5v sup- ply, consumes only 55 ma of current, and is housed in a rohs compliant smt package. this wideband vco uniquely combines the attributes of ultra small size, low phase noise, low power consumption, and wide tuning range. wide tuning bandwidth pout: +5 dbm low ssb phase noise: -100 dbc/hz @100 khz no external resonator needed single positive supply: +5v @ 55 ma rohs compliant 4 x 4 mm smt package typical applications low noise wideband mmic vco is ideal for: ? industrial/medical equipment ? test & measurement equipment ? military radar, ew & ecm electrical speci cations, t a = +25 c, vcc = +5v parameter min. typ. max. units frequency range 4.0 - 8.0 ghz power output 25 dbm ssb phase noise @ 100 khz offset -100 dbc/hz ssb phase noise @ 10 khz offset -75 dbc/hz tune voltage (vtune) 0 18 v supply current (icc) (vcc = +5.0v) 40 75 ma tune port leakage current (vtune = +15v) 10 a output return loss 7db 2nd harmonic -14 dbc pulling (into a 2.0:1 vswr) 4mhz pp pushing @ vtune= +5v 40 mhz/v frequency drift rate 0.8 mhz/c HMC586LC4B
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 wideband vcos - smt 8 8 - 2 frequency vs. tuning voltage, vcc = +5v sensitivity vs. tuning voltage, vcc= +5v typical ssb phase noise @ vtune= +5v ssb phase noise vs. tuning voltage output power vs. tuning voltage, vcc= +5v 3 4 5 6 7 8 9 0 2 4 6 8 10 12 14 16 18 20 4.75 v 5.0 v 5.25 v output frequency (ghz) tuning voltage (volts) frequency vs. tuning voltage, t = +25 c -4 -2 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 +25 c +85 c -40 c output power (dbm) tuning voltage (volts) 0 100 200 300 400 500 600 0 2 4 6 8 10 12 14 16 18 20 +25 c +85 c -40 c sensitivity (mhz/volt) tuning voltage (volts) -120 -100 -80 -60 -40 -20 0 10 2 10 3 10 4 10 5 10 6 ssb phase noise (dbc/hz) offset frequency (hz) -120 -105 -90 -75 -60 -45 -30 -15 0 0 2 4 6 8 10 12 14 16 18 20 10 khz 100 khz ssb phase noise (dbc/hz) tuning voltage (volts) 3 4 5 6 7 8 9 0 2 4 6 8 10 12 14 16 18 20 +25 c +85 c -40 c output frequency (ghz) tuning voltage (volts) HMC586LC4B v02.0810 wideband mmic vco w/ buffer amplifier, 4 - 8 ghz
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 wideband vcos - smt 8 8 - 3 pin number function description interface schematic 1 - 3, 5 - 11, 13, 17 - 24 n/c no connection. these pins may be connected to rf/dc ground. performance will not be affected. 4vtune 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. 12 vcc supply voltage vcc= +5v pin descriptions absolute maximum ratings outline drawing vcc +5.5 vdc vtune 0 to +22v junction temperature 135 c continuous pdiss (t = 85c) (derate 12.5 mw/c above 85c) 625 mw thermal resistance (junction to ground paddle) 80 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c notes: 1. package body material: alumina 2. lead and ground paddle plating: gold flash over ni. 3. dimensions are in inches [millimeters]. 4. lead spacing tolerance is non-cumulative. 5. package warp shall not exceed 0.05mm datum -c- 6. all ground leads and ground paddle must be soldered to pcb rf ground. electrostatic sensitive device observe handling precautions HMC586LC4B v02.0810 wideband mmic vco w/ buffer amplifier, 4 - 8 ghz
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 wideband vcos - smt 8 8 - 4 pin number function description interface schematic 14, 16 gnd package bottom has an exposed metal paddle that must also be rf & dc grounded. 15 rfout rf output (ac coupled) pin descriptions 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 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 available from hittite upon request. evaluation pcb list of materials for evaluation pcb 108648 [1] item description j1 pcb mount sma rf connector, johnson j2 pcb mount sma connector, sri j3 dc header c1 1000 pf capacitor, 0402 pkg. c2 4.7 f capacitor, tantalum u1 HMC586LC4B vco pcb [2] 108646 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 HMC586LC4B v02.0810 wideband mmic vco w/ buffer amplifier, 4 - 8 ghz
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