microwave corporation 10 - 66 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com freq. divider & detectors - smt 10 HMC426MS8 smt sige mmic divide-by-4, dc - 4.0 ghz general description features functional diagram the HMC426MS8 is a low noise divide-by-4 static divider utilizing sige technology in an 8 lead surface mount plastic package. this device operates from dc (with a square wave input) to 4.0 ghz input frequency while operating from a single +3v supply at only 13 ma. the low addi- tive ssb phase noise of -146 dbc/hz at 100 khz offset helps the user maintain excellent system noise performance. ultra low ssb phase noise: -146 dbc/hz wide input power range: -15 to +10 dbm output power: +3.5 dbm single dc supply: +3v @ 13 ma ms8 smt package typical applications prescaler for dc to 4.0 ghz pll applications: dbs/catv tuners 802.11x & hiperlan wlan fixed wireless & wll microwave & vsat radios cellular & 3g electrical speci cations, t a = +25?c, 50 ohm system, vcc= 3v 1. divider will operate down to dc for square-wave input signal. v00.0903 parameter conditions min. typ. max. units maximum input frequency 4.0 4.5 ghz minimum input frequency sine wave input. [1] 0.2 0.5 ghz input power range fin = 0.5 to 2 ghz -15 -20 +5 dbm fin = 2 to 4 ghz -15 -20 +10 dbm output power fin = 1 ghz +0.5 +3.5 dbm fin = 4 ghz -3 0 dbm reverse leakage 25 db ssb phase noise (100 khz offset) pin = 0 dbm, fin = 3 ghz -146 dbc/hz output transition time pin = 0 dbm, fout = 500 mhz 400 ps supply current (icc) 13 ma
microwave corporation 10 - 67 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 10 freq. dividers & detectors - smt gaas mmic sub-harmonically pumped mixer 17 - 25 ghz HMC426MS8 ssb phase noise performance @ fin= 3 ghz pin= 0 dbm, t= 25 ? input sensitivity window, t= 25 ? input sensitivity window vs. temperature smt sige mmic divide-by-4, dc - 4.0 ghz output power vs. temperature reverse leakage, pin= 0 dbm, t= 25 ? output harmonic content, pin= 0 dbm, t= 25 ? v00.0903 -30 -20 -10 0 10 20 01234 input power (dbm) input frequency (ghz) recommended operating window -30 -20 -10 0 10 20 01234 min pin +25c max pin +25c min pin +85c max pin +85c min pin -40c max pin -40c input power (dbm) input frequency (ghz) -10 -8 -6 -4 -2 0 2 4 6 8 10 01234 +25c +85c -40c output power (dbm) input frequency (ghz) -160 -140 -120 -100 -80 -60 -40 -20 0 10 2 10 3 10 4 10 5 10 6 10 7 ssb phase noise (dbc/hz) offset frequency (hz) -50 -40 -30 -20 -10 0 01234 pfeedthru 2nd harmonic 3rd harmonic output level (dbm) input frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 01234 output level (dbm) input frequency (ghz)
microwave corporation 10 - 68 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com freq. divider & detectors - smt 10 output voltage waveform, pin= 0 dbm, fout= 500 mhz, t= 25 ? smt sige mmic divide-by-4, dc - 4.0 ghz HMC426MS8 absolute maximum ratings outline drawing typical supply current vs. vcc note: divider will operate over full voltage range shown above v00.0903 vcc (v) icc (ma) 2.7 10 3.0 13 3.3 16 rf input (vcc = +3v) +13 dbm vcc +3.5v channel temperature 150 c continuous pdiss (t = 85 c) (derate 7 mw/ c above 85 c) 460 mw thermal resistance (r th ) (junction to lead) 142 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c -500 -400 -300 -200 -100 0 100 200 300 400 500 24.6 25 25.4 25.8 26.2 26.6 27 27.4 27.8 amplitude (mv) time (ns) notes: 1. package body material: low stress injection molded plastic silica and silicon impregnated. 2. leadframe material: copper alloy 3. leadframe plating: sn/pb solder 4. dimensions are in inches [millimeters]. 5. dimension does not include moldflash of 0.15mm per side. 6. all ground leads must be soldered to pcb rf ground. input return loss -35 -30 -25 -20 -15 -10 -5 0 01234 return loss (db) input frequency (ghz)
microwave corporation 10 - 69 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 10 freq. dividers & detectors - smt pin number function description interface schematic 1 vcc supply voltage 3v 0.3v. 2 in rf input must be dc blocked. 3in rf input 180 out of phase with pin 2 for differential operation. ac ground for single ended operation. 4, 5 gnd rf/dc ground 6, 8 n/c no connection. 7 out divided output. smt sige mmic divide-by-4, dc - 4.0 ghz HMC426MS8 pin description v00.0903
microwave corporation 10 - 70 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com freq. divider & detectors - smt 10 smt sige mmic divide-by-4, dc - 4.0 ghz HMC426MS8 evaluation pcb list of materials 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 should be connected directly to the ground plane similar to that shown. a suf? cient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hit- tite upon request. this evaluation board is designed for single ended input and output testing. v00.0903 item description j1 - j2 pc mount sma rf connector j3 - j4 dc pin c1 1000 pf capacitor, 0603 pkg. c2 4.7 uf tantalum capacitor c3 - c4 100 pf capacitor, 0402 pkg. c5 1000 pf capacitor, 0402 pkg. u1 HMC426MS8 divide-by-4 pcb* 107620 eval board * circuit board material: rogers 4350
microwave corporation 10 - 71 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 10 freq. dividers & detectors - smt smt sige mmic divide-by-4, dc - 4.0 ghz HMC426MS8 application circuit v00.0903
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