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 general description features functional diagram the hmc739lp4(e) is a gaas ingap heterojunc - tion bipolar transistor (hbt) mmic vco. the hmc739lp4(e) integrates a resonator, negative resistance device, varactor diode and divide-by-16 prescaler. the vcos phase noise performance is excellent over temperature, shock, and process due to the oscillators monolithic structure. power output is +8 dbm typical from a 5v supply voltage. the voltage controlled oscillator is packaged in a low cost leadless qfn 4x4 mm surface mount package pout: +8 dbm phase noise: -93 dbc/hz @ 100 khz typ. no external resonator needed 24 lead 4x4mm smt package: 16mm2 typical applications the hmc739lp4(e) is ideal for: ? point-to-point radios ? point-to-multi-point radios / lmds ? vsat electrical specifcations, t a = +25 c, vcc(rf), vcc(dig) = +5v parameter min. typ. max. units frequency range fo fo/2 23.8 - 26.8 ghz power output rf out rf out/2 rf out/16 3 -3 -7 14 5 -1 dbm dbm dbm ssb phase noise @ 100 khz offset, vtune= +5v @ rf output -93 dbc/hz tune voltage vtune 1 13 v supply current icc (rf), icc (dig) 160 200 220 ma tune port leakage current (vtune= 13v) 10 a output return loss 3 db harmonics/subharmonics 1/2 3/2 -20 -30 dbc dbc pulling (into a 2.0:1 vswr) 30 mhz pp pushing @ vtune= 5v -65 mhz/v frequency drift rate 4 mhz/c hmc739lp4 / 739lp4e mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz v03.0309
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, t= 25c sensitivity vs. tuning voltage, vcc= +5v ssb phase noise vs. tuning voltage frequency vs. tuning voltage, vcc= +5v output power vs. tuning voltage, vcc= +5v ssb phase noise @ vtune= 5v hmc739lp4 / 739lp4e v03.0309 mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz 21 22 23 24 25 26 27 28 29 0 1 2 3 4 5 6 7 8 9 10 11 12 13 vcc= 4.75v vcc= 5.0v vcc= 5.25v frequency (ghz) tuning voltage (volts) 21 22 23 24 25 26 27 28 29 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) 200 400 600 800 1000 1200 1400 1600 1800 0 1 2 3 4 5 6 7 8 9 10 11 12 13 +25c +85c -40c sensitivity (mhz/volt) tuning voltage (volts) 4 5 6 7 8 9 10 11 12 13 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) -100 -90 -80 -70 -60 -50 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) -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 10 3 10 4 10 5 10 6 10 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 vcos with f o /2 output - smt 8 8 - 3 absolute maximum ratings typical supply current vs. vcc note: vco will operate over full voltage range shown above. vcc(rf), vcc dig) (v) icc (ma) 4.75 172 5.0 192 5.25 212 electrostatic sensitive device observe handling precautions vcc (rf), vcc (dig) +5.5v vtune 0 to +15v junction temperature 135 c continuous pdiss (t= 85 c) (derate 23.3 mw/ above 85 c) 1.2 w thermal resistance (junction to ground paddle) 43 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c rfout/2 frequency vs. tuning voltage, vcc= +5v rfout/2 output power vs. tuning voltage, vcc= +5v hmc739lp4 / 739lp4e v03.0309 mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz divide-by-16 frequency vs. tuning voltage, vcc = +5v divide-by-16 output power vs. tuning voltage, vcc = +5v 10.5 11 11.5 12 12.5 13 13.5 14 14.5 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) -2 -1 0 1 2 3 4 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) 1.3 1.4 1.5 1.6 1.7 1.8 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) -5 -4.5 -4 -3.5 -3 -2.5 -2 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 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. part number package body material lead finish msl rating package marking [3] hmc739lp4 low stress injection molded plastic sn/pb solder msl1 [1] h739 xxxx HMC739LP4E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h739 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 hmc739lp4 / 739lp4e v03.0309 mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz pin descriptions pin number function description interface schematic 1, 3, 5, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 23, 24 n/c no connection required. these pins may be connected to rf/dc ground without affecting performance. 2 rfout/16 rf/16 divided output. requires dc block. 4 vcc (dig) supply voltage for prescaler. can be omitted if prescaler is not needed to conserve approximately 100 ma
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 hmc739lp4 / 739lp4e v03.0309 mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz pin descriptions pin number function description interface schematic 10 rfout/2 half frequency output (ac coupled) 11, 15, 17 gnd package bottom has an exposed metal paddle that must be rf & dc grounded. 16 rfout rf output (ac coupled). 20 vcc (rf) supply voltage 22 vtune control voltage input. modulation port bandwidth dependent on drive source impedance. (continued) typical 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 - 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 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 avail - able from hittite upon request. evaluation pcb item description j1 - j2 pcb mount sma connector j3 pcb mount k-connector j4 pcb mount sri sma connector j5, j6 2mm smt 8 pin molex header c1 1000 pf, 0402 pkg. c2, c3 100 pf, 0402 pkg. c4, c5 4.7 f tantalum capacitors case a u1 hmc739lp4(e) vco pcb [2] 112259 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 list of materials for evaluation pcb 112261 [1] hmc739lp4 / 739lp4e v03.0309 mmic vco w/ half frequency output & divide-by-16, 23.8 - 26.8 ghz
|
