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, 6 - 12 ghz v00.0410 general description features functional diagram the HMC732LC4B is a wideband gaas ingap hbt mmic voltage controlled oscillator which incor- porates 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 +23v. the HMC732LC4B vco operates from a single +5v supply, consumes only 57 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: +1 dbm low ssb phase noise: -95 dbc/hz @100 khz no external resonator needed single positive supply: +5v @ 57 ma 24 lead ceramic 4x4 mm smt package: 16 mm2 typical applications low noise wideband mmic vco is ideal for: ? industrial/medical equipment ? test & measurement equipment ? military radar, ew & ecm electrical specifcations, t a = +25 c, vcc = +5v parameter min. typ. max. units frequency range 6 - 12 ghz power output 1 dbm ssb phase noise @ 10 khz offset -65 dbc/hz ssb phase noise @ 100 khz offset -95 dbc/hz tune voltage (vtune) 0 23 v supply current (icc) (vcc = +5v) 57 ma tune port leakage current (vtune = +23v) 10 a output return loss 15 db 2nd harmonic -12 dbc pulling (into a 2.0:1 vswr) 7 mhz pp pushing @ vtune= +20v, f = 12 ghz -85 mhz/v frequency drift rate @ 6 ghz 0.4 mhz/c frequency drift rate @ 12 ghz 0.25 mhz/c HMC732LC4B
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 frequency vs. tuning voltage, t = +25 c HMC732LC4B v00.0410 wideband mmic vco w/ buffer amplifier, 6 - 12 ghz 5 6 7 8 9 10 11 12 13 14 15 0 5 10 15 20 25 +25c +85c -40c output frequency (ghz) tuning voltage (vdc) 100 150 200 250 300 350 400 450 500 0 5 10 15 20 25 +25c +85c -40c tuning sensitivi ty (mhz/volt) tuning voltage (vdc) -140 -120 -100 -80 -60 -40 -20 0 5 10 15 20 25 10 khz 100 khz 1 mhz ssb phase noise (dbc/hz) tuning voltage (vdc) 5 6 7 8 9 10 11 12 13 14 15 0 5 10 15 20 25 4.75v 5.00v 5.25v output frequency (ghz) tuning voltage (vdc) -4 -2 0 2 4 6 8 0 5 10 15 20 25 +25c +85c -40c output power (dbm) tuning votlage (vdc) -150 -130 -110 -90 -70 -50 -30 -10 1e+3 1e+4 1e+5 1e+6 1e+7 + 25c + 85c - 40c ssb phase noise (dbc/hz) offset frequency (hz)
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 absolute maximum ratings reliability information outline drawing vcc +5.5 v vtune -1 to +25v storage temperature -65 c to +150 c esd sensitivity (hbm) class 1a 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 junction temperature to maintain 1 million hour mttf 135 c nominal junction temperature (t = 85 c) 110 c thermal resistance (junction to gnd paddle, 5v supply) 91 c/w operating temperature -40 c to + 85 c HMC732LC4B v00.0410 wideband mmic vco w/ buffer amplifier, 6 - 12 ghz supply current vs. vcc, t = 25 c 40 45 50 55 60 65 0 5 10 15 20 25 4.75v 5.00v 5.25v icc (ma) tuning voltage (vdc)
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 1 - 3, 5 - 11, 13, 16 - 24 n/c no connection. these pins may be connected to rf/dc ground. performance will not be affected. 4 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. 12 vcc supply voltage vcc= +5v 14 gnd package bottom has an exposed metal paddle that must also be rf & dc grounded. 15 rfout rf output (ac coupled) pin descriptions HMC732LC4B v00.0410 wideband mmic vco w/ buffer amplifier, 6 - 12 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 - 5 HMC732LC4B v00.0410 wideband mmic vco w/ buffer amplifier, 6 - 12 ghz 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 HMC732LC4B vco pcb [2] 108646 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350
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 - 6 HMC732LC4B v00.0410 wideband mmic vco w/ buffer amplifier, 6 - 12 ghz notes:
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