for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 1 filters - tunable - smt 3 HMC898LP4E v00.0511 functional diagram the HMC898LP4E is a mmic band pass flter which features a user selectable passband frequency. the 3 db flter bandwidth is approximately 17%. the 20 db flter bandwidth is approximately 35%. the center frequency can be varied between 11.5 and 21.5 ghz by applying an analog tune voltage between 0 and 14v. this tunable flter can be used as a much smaller alternative to physically large switched flter banks and cavity tuned flters. the HMC898LP4E has excellent microphonics due to the monolithic design, and provides a dynamically adjustable solution in advanced communications applications. typical applications features general description filter - tunable, band pass smt 11.5 - 21.5 ghz the HMC898LP4E is ideal for: ? test & measurement equipment ? military radar & ew/ecm ? satcom & space ? industrial & medical equipment fast tuning response excellent wideband rejection single chip replacement for mechanically tuned designs 24 lead 4x4 mm smt package electrical specifcations, t a = +25 c parameter min. typ. max. units f center tuning range 11.5 21.5 ghz 3 db bandwidth 17 % low side rejection frequency (rejection >20 db) 0.81 *f center ghz high side rejection frequency (rejection >20 db) 1.16 *f center ghz low side sub-harmonic rejection (rejection >40 db) 0.55 *f center ghz high side sub-harmonic rejection (rejection >40 db) 1.27 *f center ghz re-entry frequency (rejection <30 db) >40 ghz insertion loss 6 db return loss (2 db bandwidth) 9 db input ip3 (pin = 0 to +15 dbm) 29 dbm input power @ 5 shift in insertion phase (vfctl = 0v) 9 dbm input power @ 5 shift in insertion phase (vfctl = 1v) 14 dbm frequency control voltage (v fctl ) 0 14 v source/sink current (i fctl ) 1 ma residual phase noise [1] (100 khz offset) -157 dbc/hz f center drift rate - 1.9 mhz/c tuning speed, phase settling to within 10 [2] < 200 ns [1] optimum residual phase noise performance requires the use of a low noise driver circuit. [2] tuning speed includes 40 ns tuning voltage ramp from driver.
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 2 filters - tunable - smt 3 HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz broadband insertion loss vs. vfctl insertion loss vs. vfctl insertion loss vs. temperature, vfctl = 7v broadband return loss vs. vfctl return loss vs. vfctl return loss vs. temperature, vfctl = 7v -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5 10 15 20 25 30 35 40 0v 3v 7v 14v insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 30 35 40 s11_0v s22_0v s11_7v s22_7v s11_14v s22_14v return loss (db) frequency (ghz) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 8 10 12 14 16 18 20 22 24 26 28 0v 3v 7v 14v insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 8 10 12 14 16 18 20 22 24 26 28 s11_0v s22_0v s11_7v s22_7v s11_14v s22_14v return loss (db) frequency (ghz) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 14 15 16 17 18 19 20 21 22 +25c +85c -40c insertion loss (db) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 21 22 +25c_s11 +25c_s22 +85c_s11 +85c_s22 -40c_s11 -40c_s22 return loss (db) frequency (ghz)
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 3 filters - tunable - smt 3 HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz center frequency vs. temperature insertion loss vs. temperature return loss in a 2 db bandwidth vs. temperature low side rejection ratio vs. temperature [1] high side rejection ratio vs. temperature [1] 3 db bandwidth vs. temperature [1] rejection ratio is defned as the ratio of the frequency at which the relative insertion loss is 20 db to ? center 8 10 12 14 16 18 20 22 24 0 2 4 6 8 10 12 14 +25c +85c -40c center frequency (ghz) vfctl (vdc) -16 -14 -12 -10 -8 -6 -4 -2 0 0 2 4 6 8 10 12 14 +25c +85c -40c insertion loss (db) vfctl (vdc) 14 15 16 17 18 19 20 0 2 4 6 8 10 12 14 +25c +85c -40c bandwidth (%) vfctl (vdc) -14 -12 -10 -8 -6 -4 -2 0 0 2 4 6 8 10 12 14 +25c +85c -40c return loss (db) vfctl (vdc) 0.7 0.75 0.8 0.85 0.9 0 2 4 6 8 10 12 14 +25c +85c -40c f20db to fcenter ratio vfctl (vdc) 1.05 1.1 1.15 1.2 1.25 0 2 4 6 8 10 12 14 +25c +85c -40c f20db to fcenter ratio vfctl (vdc)
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 4 filters - tunable - smt 3 HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz tuning sensitivity vs. temperature group delay vs. fcenter vs. temperature input ip3 vs. temperature phase sensitivity vs. vfctl group delay vs. frequency residual phase noise 0 200 400 600 800 1000 1200 1400 1600 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +25c +85c -40c sensitivity (mhz/v) vfctl (vdc) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 4 6 8 10 12 14 16 18 20 22 24 26 28 30 0v 2v 7v 14v frequency (ghz) group delay (ns) 0.3 0.4 0.5 0.6 0.7 0 2 4 6 8 10 12 14 + 25c + 85c - 40c group delay (ns) vfctl (vdc) 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 + 25c + 85c - 40c input ip3 (dbm) vfctl (vdc) -170 -160 -150 -140 -130 -120 10 2 10 3 10 4 10 5 10 6 10 7 + 1v + 7v + 14v residual phase noise (dbc/hz) offset frequency (hz) 8 10 12 14 16 18 20 22 24 0 1 2 3 4 5 6 7 8 0 2 4 6 8 10 12 14 approximate fcenter (ghz) delta phi (rad/v) vfctl (vdc) delta phi approximate fcenter
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 5 filters - tunable - smt 3 HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz electrostatic sensitive device observe handling precautions absolute maximum ratings reliability information frequency control voltage (vfctl) -0.5 to +15v rf power input 27 dbm storage temperature -65 to +150 c esd sensitivity (hbm) class 1 a junction temperature to maintain 1 million hour mttf 150 c nominal junction temperature (t= 85 c and pin = 27 dbm) 103 c operating temperature -40 to +85 c fcenter vs. input power insertion phase vs. input power -40 -35 -30 -25 -20 -15 -10 -5 0 0 2 4 6 8 10 12 14 16 18 20 0v 1v 7v 10v 14v phase (degrees) input power (dbm) -180 -160 -140 -120 -100 -80 -60 -40 -20 0 0 2 4 6 8 10 12 14 16 18 20 0v 1v 7v 10v 14v frequency (mhz) input power (dbm)
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 6 filters - tunable - smt 3 outline drawing notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative. 4. pin burr length shall be 0.15 mm maximum. pin burr height shall be 0.05 mm maximum. 5. package warp shall not exceed 0.05 mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pattern. part number package body material lead finish msl rating package marking [1] HMC898LP4E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h898 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 7 filters - tunable - smt 3 HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz pin descriptions application circuit pin number function description interface schematic 1, 2, 4 - 7, 12 - 15, 17 - 19, 24 gnd these pins and exposed paddle must be connected to rf/dc ground. 8, 10, 11, 20 - 23 nc the pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. 3 rfin this pin is ac coupled and matched to 50 ohms. 9 vfctl center frequency control voltage. 16 rfout this pin is ac coupled and matched to 50 ohms.
for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 3 - 8 filters - tunable - smt 3 evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohms 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 circuit board shown is available from hittite upon request. list of materials for evaluation pcb 131086 [1] item description j1, j2 connector, 2.9 mm, female j6, j8 dc pin c2 100 pf capacitor, 0402 pkg. u1 HMC898LP4E filter - tunable pcb [2] 130746 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 25fr HMC898LP4E v00.0211 filter - tunable, band pass smt 11.5 - 21.5 ghz
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