10 freq. dividers & detectors - smt 10 - 1 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 discontinued product not recommended for new designs hmc251ms8 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz v01.0801 general description features functional diagram divide-by-two low phase noise: -130 dbc/hz @ 10khz single positive bias voltage: +5v @ 27 ma miniature small outline package: msop8 electrical speci cations , t a = +25 c, vdd = +5v, 50 ohm system typical applications the hmc251ms8 is ideal for: ? wireless local loop ? unii & hiperlan ? ism ? vsat note 1. output power measured at half the input frequency. the hmc251ms8 is a low noise divide-by-2 gaas mmic prescaler in an 8 lead surface mount msop plastic package. this device operates from 3.0 to 6.5 ghz (input frequency) with a single +5v dc supply while drawing only 27 ma of current. the low residual phase noise of this prescaler helps the user maintain good system noise performance. parameter condition min typical max units input frequency range 3.0 - 6.5 ghz output frequency range 1.5 - 3.25 ghz operating input power range fin = 3.0 - 4.0 ghz fin = 4.0 - 5.0 ghz fin = 5.0 - 6.0 ghz fin = 6.0 - 6.5 ghz 6 -2 -8 -3 10 10 10 7 dbm dbm dbm dbm output power for minimum input power level (note 1) fin = 3.0 - 4.0 ghz fin = 4.0 - 5.0 ghz fin = 5.0 - 6.0 ghz fin = 6.0 - 6.5 ghz -12 -14 -16 -17 -8.0 -7.7 -8.2 -8.5 -3 -3 -3 -3 dbm dbm dbm dbm single-side-band phase noise fin = 5.0 - 6.0 ghz offset from carrier = 10khz -130 dbc/hz supply current (idd) vdd = -5.0 vdc 27 33 ma
10 freq. dividers & detectors - smt 10 - 2 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 discontinued product not recommended for new designs -14 -12 -10 -8 -6 -4 -2 0 3 3.5 4 4.5 5 5.5 6 6.5 output power (dbm) input frequency (ghz) +85 c -40 c +25 c -30 -20 -10 0 10 20 33.544.555.566.5 minimum input power (dbm) input frequency (ghz) +85 c -40 c +25 c guaranteed operating window -14 -12 -10 -8 -6 -4 -2 0 3 3.5 4 4.5 5 5.5 6 6.5 output power (dbm) input frequency (ghz) -160 -150 -140 -130 -120 -110 -100 -90 -80 10 1 10 2 10 3 10 4 10 5 10 6 offset from carrier (hz) hmc251ms8 v01.0801 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz *note: output power measured @ n/2 output power vs. frequency @ minimum input power level minimum input power vs. input frequency single-side-band phase noise vs. offset from carrier, n= 5 to 6 ghz output power for input power= +10 dbm*
10 freq. dividers & detectors - smt 10 - 3 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 discontinued product not recommended for new designs -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -10 -5 0 5 10 15 20 output power (dbm) input power (dbm) feedthru signal @ 5.2 ghz output power @ 2.6 ghz -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -10 -5 0 5 10 15 20 output power (dbm) input power ( dbm ) feedthru signal @ 5.8 ghz output power @ 2.9 ghz gaas mmic sub-harmonically pumped mixer 17 - 25 ghz hmc251ms8 v01.0801 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz 3.0 ghz 6.5 ghz j5 j2 j1 j0.5 j0.2 0 0.2 0.5 1 2 5 -j0.2 -j0.5 -j1 -j2 -j5 3.25 ghz 1.5 ghz j5 j2 j1 j0.5 j0.2 0 0.2 0.5 1 2 5 -j0.2 -j0.5 -j1 -j2 -j5 *s-parameter data is available @ www.hittite.com output power vs. input power, input frequency= 5.2 ghz output power vs. input power, input frequency= 5.8 ghz rf in s-parameters * rf out s-parameters *
10 freq. dividers & detectors - smt 10 - 4 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 discontinued product not recommended for new designs v01.0801 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz hmc251ms8 absolute maximum ratings outline drawing vdd +8 vdc maximum input power (vdd = +5.0 vdc) 20 dbm storage temperature -65 to +150 c operating temperature -40 to +85 c 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. dimension does not include moldflash of 0.25mm per side. 7. all ground leads must be soldered to pcb rf ground. 8. classified as moisture sensitivity level (msl) 1. electrostatic sensitive device observe handling precautions
10 freq. dividers & detectors - smt 10 - 5 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 discontinued product not recommended for new designs v01.0801 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz hmc251ms8 operating notes: 1. with no input signal, or input signals below the minimum input power level, the prescaler will self-oscillate. 2. dc blocks on the rf ports are not required but are recommended if dc voltages exceeding 8 volts are present. application circuit
10 freq. dividers & detectors - smt 10 - 6 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 discontinued product not recommended for new designs the circuit board used in the nal application should be generated with proper rf circuit design techniques. signal lines at rf in and rf out should have 50 ohm impedance and the package ground leads should be connected directly to the ground plane similar to that shown. the evaluation circuit board shown is available from hittite upon request. eval board layout (top view) list of materials v01.0801 gaas mmic smt divide-by-2, 3.0 - 6.5 ghz hmc251ms8 item description j1, j2 pc mount sma connector j3, j4 dc pin c1, c2 330 pf capacitor, 0603 pkg. u1 hmc251ms8 prescaler pcb* 102285 eval board * circuit board material: 4350
|
