8 mixers - sub-harmonic - smt 8 - 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 hmc258lc3b gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz v02.1208 general description features functional diagram the hmc258lc3b is a 14.5 - 19.5 ghz surface mount sub-harmonically pumped (x2) mmic mixer with an integrated lo ampli er in a smt leadless ceramic package. at 45 db the 2lo to rf isolation eliminates the need for additional ltering. the lo ampli er is a single bias (+5v) two stage design with only 0 dbm drive requirement. the hmc258lc3b requires no external matching components, making it ideal for integrated subsystem applications. utilizing the hmc258lc3b eliminates the need for wire- bonding, thereby providing a consistent connection interface for the customer. integrated lo ampli er: 0 dbm input sub-harmonically pumped (x2) lo high 2lo/rf isolation: >45 db wide if bandwidth: dc - 3.5 ghz no external matching required rohs compliant 3x3mm ceramic smt package electrical speci cations, t a = +25 c, lo drive = 0 dbm typical applications the hmc258lc3b is ideal for: ? point to point radios ? vsat and satcom ? test & measurement equipment ? military & space parameter if = 1 ghz vdd = +5.0v units min. typ. max. frequency range, rf 14.5 - 19.5 ghz frequency range, lo 7.25 - 10 ghz frequency range, if dc - 3.5 ghz conversion loss 10 14 db noise figure (ssb) 10 14 db 2lo to rf isolation 35 45 db 2lo to if isolation 30 40 db ip3 (input) 5dbm 1 db compression (input) -3 dbm supply current (idd) 42 57 ma *unless otherwise noted, all measurements performed as downconverter, if= 1 ghz.
8 mixers - sub-harmonic - smt 8 - 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 conversion gain vs. temperature @ lo = 0 dbm conversion gain vs. lo drive isolation @ lo = 0 dbm if bandwidth @ lo = 0 dbm rf & lo return loss @ lo = 0 dbm if return loss @ lo = 0 dbm -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 +25c -40c +85c conversion gain (db) rf frequency (ghz) -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 lo = -4dbm lo = -2dbm lo = 0dbm lo = +2dbm lo = +4dbm conversion gain (db) rf frequency (ghz) -60 -50 -40 -30 -20 -10 0 10 14 15 16 17 18 19 20 isolation (db) rf frequency (ghz) 2lo/rf lo/rf rf/if 2lo/if lo/if -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 lo rf return loss (db) frequency (ghz) -25 -20 -15 -10 -5 0 0123456 if conversion gain (db) if frequency (ghz) -30 -25 -20 -15 -10 -5 0 0123456 return loss (db) if frequency (ghz) hmc258lc3b v02.1208 gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz
8 mixers - sub-harmonic - smt 8 - 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 mxn spurious outputs@ lo = 0 dbm upconverter performance conversion gain @ lo = 0 dbm input ip3 vs. lo drive * input ip2 vs. lo drive * input p1db * two-tone input power = -10 dbm each tone, 1 mhz spacing. nlo mrf-2-4-6-89753 1x 247.1 334.5 466.7 -4 50.1 -3 59.5 -2 32.8 -1 45.4 rf = 18 ghz @ -10 dbm lo = 8.5 ghz @ 0 dbm all values in dbc below if power level. -5 0 5 10 15 20 14 15 16 17 18 19 20 21 22 -2 dbm 0 dbm +2 dbm ip3 (dbm) rf frequency (ghz) 0 10 20 30 40 50 60 14 15 16 17 18 19 20 21 22 -2 dbm 0 dbm +2 dbm ip2 (dbm) rf frequency (ghz) -10 -8 -6 -4 -2 0 2 4 6 8 10 14 15 16 17 18 19 20 21 p1db (dbm) rf frequency (ghz) -25 -20 -15 -10 -5 0 14 15 16 17 18 19 20 21 conversion gain (db) rf frequency (ghz) hmc258lc3b v02.1208 gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz
8 mixers - sub-harmonic - smt 8 - 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 outline drawing absolute maximum ratings rf / if input (vdd = +5v) +13 dbm lo drive (vdd = +5v) +13 dbm vdd +5.5v continous pdiss (ta = 85 c) (derate 2.1 mw/c above 85 c) 486 mw channel temperature 150 c thermal resistance (channel to ground paddle) 133.6 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c electrostatic sensitive device observe handling precautions notes: 1. package body material: alumina. 2. lead and ground paddle plating: gold flash over nickel. 3. dimensions are in inches (millimeters). 4. lead spacing tolerance is non-cumulative. 5. characters to be helvetica medium, .025 high, black ink, or laser mark located approx. as shown. 6. package warp shall not exceed 0.05mm datum C c C 7. all ground leads and ground paddle must be soldered to pcb rf ground. 8. classified as moisture sensitvity level (msl) 1. hmc258lc3b v02.1208 gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz
8 mixers - sub-harmonic - smt 8 - 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 pin number function description interface schematic 1, 4, 6, 10, 12 gnd must be soldered to pcb rf ground. 2if if port. this pin is dc coupled and should be dc blocked externally using a series capacitor whose value has been chosen to pass the necessary if frequency range. any applied dc voltage to this pin will result in die non-function and pos- sible die failure. 3vdd power supply for the lo ampli er. an external rf bypass capacitor of 100 - 330 pf is required as close to the package as possible. 5 lo lo port. this pin is ac coupled and matched to 50 ohms. 7 - 9 n/c this pin may be connected to the housing ground or left unconnected. 11 rf rf port. this pin is ac coupled and matched to 50 ohms. pin description hmc258lc3b v02.1208 gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz
8 mixers - sub-harmonic - smt 8 - 7 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 evaluation pcb item description j1 - j2 sri sma connector j3 johnson sma connector c1 100pf capacitor. 0402 pkg. c2 1000pf capacitor, 0603 pkg. c3 2.2 f u1 hmc258lc3b mixer pcb [2] 110860 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 the circuit board used in this application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected 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 appro- priate heat sink. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 110862 [1] hmc258lc3b v02.1208 gaas mmic sub-harmonic smt mixer, 14.5 - 19.5 ghz
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