10 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 10 - 36 phase shifters - digital - smt hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz v01.1208 general description features functional diagram the hmc644lc5 is a 5-bit digital phase shifter which is rated from 15 to 18.5 ghz, providing 360 degrees of phase coverage, with a lsb of 11.25 degrees. the hmc644lc5 features very low rms phase error of 3.5 degrees and extremely low insertion loss variation of 0.5 db across all phase states. this high accuracy phase shifter is controlled with complementary logic of 0/-3v, and requires no xed bias voltage. the hmc644lc5 is housed in a compact 5x5 mm ceramic leadless smt package and is internally matched to 50 ohms with no external components. simple external level shifting circuitry can be used to convert a positive cmos control voltage into complementary negative control signals. low rms phase error: 3.5 low insertion loss: 7.5 db high linearity: +40 dbm 360 coverage, lsb = 11.25 32 lead ceramic smt package: 25mm 2 electrical speci cations, t a = +25 c, 50 ohm system, control voltage = 0/-3v typical applications the hmc644lc5 is ideal for: ? ew receivers ? weather & military radar ? satellite communications ? beamforming modules ? phase cancellation parameter min. typ. max. units frequency range 15 18.5 ghz insertion loss* 7. 5 10 d b input return loss* 10 db output return loss* 12 db phase error* 5 +20 / -10 deg rms phase error 3.5 deg insertion loss variation* 0.5 db input power for 1 db compression 23 dbm input third order intercept 40 dbm control voltage current <1 ma *note: major states shown
10 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 phase shifters - digital - smt 10 - 37 v01.1208 hmc644lc5 insertion loss, major states only normalized loss, major states only phase error, major states only input return loss, major states only output return loss, major states only -12 -10 -8 -6 -4 -2 0 14 15 16 17 18 19 20 insertion loss (db) frequency (ghz) 0 100 200 300 400 14 15 16 17 18 19 20 relative phase shift (degrees) frequency (ghz) -30 -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 return loss (db) frequency (ghz) -20 -15 -10 -5 0 5 10 15 20 14 15 16 17 18 19 20 phase error (degrees) frequency (ghz) -30 -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 return loss (db) frequency (ghz) -4 -3 -2 -1 0 1 2 3 4 14 15 16 17 18 19 20 normalized loss (db) frequency (ghz) gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz relative phase shift major states including all bits
10 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 10 - 38 phase shifters - digital - smt relative phase shift, rms, average, max, all states input ip3, major states only input ip2, major states only input p1db, major states only 25 30 35 40 45 50 55 15 15.5 16 16.5 17 17.5 18 18.5 ip3 (dbm) frequency (ghz) -10 -5 0 5 10 15 20 25 30 15 15.5 16 16.5 17 17.5 18 18.5 rms average max relative phase shift (degrees) frequency (ghz) 50 60 70 80 90 100 15 15.5 16 16.5 17 17.5 18 18.5 ip2 (dbm) frequency (ghz) 10 15 20 25 30 35 40 15 15.5 16 16.5 17 17.5 18 18.5 p1db (dbm) frequency (ghz) -10 -5 0 5 10 15 20 15 15.5 16 16.5 17 17.5 18 18.5 +25c +85c -40c relative phase shift (degrees) frequency (ghz) rms phase error vs. temperature -12 -10 -8 -6 -4 -2 0 15 15.5 16 16.5 17 17.5 18 18.5 insertion loss (db) frequency (ghz) insertion loss vs. temperature, major states only v01.1208 hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
10 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 phase shifters - digital - smt 10 - 39 absolute maximum ratings input power (rfin) 26 dbm (t= +85 c) channel temperature (tc) 150 c thermal resistance (channel to ground paddle) 150 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c electrostatic sensitive device observe handling precautions truth table control voltage state bias condition low (0) -2.5 to -3.5v @ 0.4 a typ. high (1) 0 to +0.3v @ 0.4 a typ. -20 -10 0 10 20 30 0 45 90 135 180 225 270 315 360 phase error (degrees) state (degrees) 15 ghz 16,17,18,18.5 ghz phase error vs. state, major states only v01.1208 control voltage input phase shift (degrees) rfin - rfout bit 1 bit 2 bit 2 bit 3 bit 3 bit 4 bit 4 bit 5 bit 5 001010101reference* 101010101 11.25 010010101 22.5 001100101 45.0 001011001 90.0 001010110 180.0 110101010 348.75 any combination of the above states will provide a phase shift approximately equal to the sum of the bits selected. *reference corresponds to monotonic setting hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
10 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 10 - 40 phase shifters - digital - smt outline drawing notes: 1. package body material: alumina 2. lead and ground paddle plating: 30-80 microinches gold over 50 microinches minimum nickel. 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. 7. classified as moisture sensitivity level (msl) 1. v01.1208 hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
10 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 phase shifters - digital - smt 10 - 41 pin number function description interface schematic 1 - 4, 13 21 - 32 n/c no connection required. these pins may be connected to rf/dc ground without affecting performance. 5, 7, 18, 20 gnd these pins and exposed ground paddle must be connected to rf/dc ground. 6 rfin this port is dc coupled and matched to 50 ohms. 8, 10, 12, 14, 17 bit4, bit2, bit1, bit3, bit5 non-inverted control input. see truth table and control voltage tables. 9, 11, 15, 16 bit4, bit2 bit3, bit5 inverted control input. see truth table and control voltage tables. 19 rfout this port is dc coupled and matched to 50 ohms. pin descriptions v01.1208 hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
10 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 10 - 42 phase shifters - digital - smt application circuit this circuit converts a single line positive (0/+5v) control signal to complementary negative (0/-3v) control signals. v01.1208 hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
10 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 phase shifters - digital - smt 10 - 43 evaluation pcb 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 and exposed paddle should be con- nected 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 board should be mounted to an appropriate heat sink. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 116685 [1][3] item description j1 - j2 pcb mount sma rf connector j3 molex header 2mm u1 hmc644lc5 5-bit digital phase shifter pcb [2] 116683 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 [3] please refer to parts pin description and functional diagram for pin out assignments on evaluation board. v01.1208 hmc644lc5 gaas mmic 5-bit digital phase shifter, 15 - 18.5 ghz
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