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 - 8 phase shifters - digital - smt HMC543LC4B 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 general description features functional diagram the HMC543LC4B is a 4-bit digital phase shifter which is rated from 8 to 12 ghz, providing 0 to 360 degrees of phase coverage, with a lsb of 22.5 degrees. the HMC543LC4B features very low rms phase error of 5 degrees and extremely low insertion loss variation of 0.8 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 HMC543LC4B is housed in a compact 4x4 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: 5 low insertion loss: 6.5 db excellent flatness 360 coverage, lsb = 22.5 24 lead ceramic smt package: 16mm 2 electrical speci cations, t a = +25 c, 50 ohm system, control voltage = 0/-3v typical applications the HMC543LC4B is ideal for: ? ew receivers ? weather & military radar ? satellite communications ? beamforming modules parameter min. typ. max. units frequency range 8 12 ghz insertion loss* 6.5 8 db input return loss* 10 db output return loss* 10 db phase error* 10 15 deg rms phase error 5deg gain variation* 0.8 db input power for 1 db compression 21 24.5 dbm input third order intercept 40 dbm control voltage current 0.4 a *note: all 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 - 9 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 HMC543LC4B insertion loss, all states normalized loss, all states phase error, all states input return loss, all states output return loss, all states relative phase shift, all states -12 -10 -8 -6 -4 -2 0 8 9 10 11 12 insertion loss (db) frequency (ghz) 0 50 100 150 200 250 300 350 400 8 9 10 11 12 relative phase shift (degrees) frequency (ghz) -30 -25 -20 -15 -10 -5 0 8 9 10 11 12 return loss (db) frequency (ghz) -20 -15 -10 -5 0 5 10 15 20 8 9 10 11 12 phase error (degrees) frequency (ghz) -30 -25 -20 -15 -10 -5 0 8 9 10 11 12 return loss (db) frequency (ghz) -4 -3 -2 -1 0 1 2 3 4 8 9 10 11 12 normalized loss (db) frequency (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 - 10 phase shifters - digital - smt 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 HMC543LC4B relative phase shift, rms, average, max, all states input ip3, all states input ip2, all states input p1db, all states 25 30 35 40 45 50 55 8 9 10 11 12 ip3 (dbm) frequency (ghz) -10 -5 0 5 10 15 20 8 9 10 11 12 relative phase shift (degrees) frequency (ghz) rms max average 50 60 70 80 90 100 8 9 10 11 12 ip2 (dbm) frequency (ghz) 20 22 24 26 28 30 8 9 10 11 12 p1db (dbm) frequency (ghz) -10 -5 0 5 10 15 20 8 9 10 11 12 +25c +85c -40c relative phase shift (degrees) frequency (ghz) rms phase error vs. temperature -12 -10 -8 -6 -4 -2 0 8 9 10 11 12 insertion loss (db) frequency (ghz) insertion temperature all states
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 - 11 absolute maximum ratings input power (rfin) (8-12 ghz) +27 dbm (t= +85 c) channel temperature (tc) 150 c thermal resistance (channel to ground paddle) 130 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 HMC543LC4B 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. control voltage input phase shift (degree) rfin - rfout bit 1 bit 1 bit 2 bit 2 bit 3 bit 3 bit 4 bit 4 01010101 reference 10010101 22.5 01100101 45.0 01011001 90.0 01010110 180.0 10101010 337.5 any combination of the above states will provide a phase shift approximately equal to the sum of the bits selected. 8 ghz -20 -15 -10 -5 0 5 10 15 20 0 50 100 150 200 250 300 350 phase error (degrees) state (degrees) 9,10,11 & 12 ghz phase error vs. state 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.
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 - 12 phase shifters - digital - smt pin number function description interface schematic 1, 2, 17 - 24 n/c no connection required. these pins may be connected to rf/dc ground without affecting performance. 3, 5, 14, 16 gnd these pins and exposed ground paddle must be connected to rf/dc ground. 4 rfin this port is matched to 50 ohms. 6, 9, 11, 13 bit3, bit1, bit2, bit4 non-inverted control input. see truth table and control voltage tables. 7, 8, 10, 12 bit3, bit1 bit2, bit4 inverted control input. see truth table and control voltage tables. 15 rfout this port is matched to 50 ohms. pin descriptions 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 HMC543LC4B application circuit this circuit converts a single line positive (0/+5v) control signal to complementary negative (0/-3v) control signals.
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 - 13 22.5 mmic 4-bit digital phase shifter, 8 - 12 ghz v04.0709 HMC543LC4B 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 116255 [1][3] item description j1 - j2 pcb mount sma rf connector j3 - j4 molex header 2mm u1 HMC543LC4B 4-bit digital phase shifter pcb [2] 116253 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.
|
