microwave corporation 14 - 66 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com switches - smt 14 HMC221 gaas mmic sot26 spdt switch, dc - 3 ghz v01.0700 general description features functional diagram low insertion loss: 0.4 db ultra small package: sot26 input ip3: +45 dbm positive control: 0/+3v @ 10 ua electrical speci cations, t a = +25?c, vctl = 0/+3 to +8 vdc typical applications the HMC221 is ideal for: ism applications pcmcia wireless cards cellular applications the HMC221 is a low-cost spdt switch in a 6-lead sot26 plastic package for use in general switching applications which require very low insertion loss and very small size. the device can control signals from dc to 3.0 ghz and is especially suited for 900 mhz, 1.8 - 2.2 ghz, and 2.4 ghz ism appli- cations with less than 1 db loss. the design pro- vides exceptional insertion loss performance, ideal for ? lter and receiver switching. rf1 and rf2 are re? ective shorts when ?off?. the two control volt- ages require a minimal amount of dc current and offer compatibility with most cmos & ttl logic families. see hmc197 for same performance in an alternate sot26 pin-out. parameter frequency min. typ. max. units insertion loss dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 3.0 ghz 0.4 0.45 0.6 0.8 0.7 0.8 0.9 1.1 db db db db isolation dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 3.0 ghz 24 24 21 14 28 28 25 18 db db db db return loss dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 3.0 ghz 20 17 16 11 23 22 20 15 db db db db input power for 1 db compression (vctl = 0/+5v) 0.5 - 1.0 ghz 0.5 - 3.0 ghz 25 23 30 29 dbm dbm input third order intercept (vctl = 0/+5v) (two-tone input power = +7 dbm each tone) 0.5 - 1.0 ghz 0.5 - 3.0 ghz 40 38 45 43 dbm dbm switching characteristics dc - 3.0 ghz trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 3 10 ns ns
microwave corporation 14 - 67 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 14 switches - smt -3 -2.5 -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 insertion loss (db) frequency (ghz) -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 isolation (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 0.5 1 1.5 2 2.5 3 return loss (db) frequency (ghz) gaas mmic sub-harmonically pumped mixer 17 - 25 ghz HMC221 return loss insertion loss isolation v01.0700 gaas mmic sot26 spdt switch, dc - 3 ghz 15 20 25 30 35 3456789 input power for 0.1 and 1 db compression (dbm) control input (vdc) 1 db at 1900 mhz 1 db at 900 mhz 0.1 db at 1900 mhz 0.1 db at 900 mhz 38 40 42 44 46 48 23456789 input third order intercept(dbm) control input (vdc) 900 mhz 1900 mhz input 0.1 and 1.0 db compression vs. control voltage input third order intercept point vs. control voltage
microwave corporation 14 - 68 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com switches - smt 14 HMC221 compression vs. control voltage caution: do not operate in 1db compression at power levels above +31 dbm (vctl = +5 vdc) and do not ?hot switch? power levels greater than +20 dbm (vctl = +5vdc). dc blocks are required at ports rfc, rf1 and rf2. v01.0700 distortion vs. control voltage gaas mmic sot26 spdt switch, dc - 3 ghz truth table *control input voltage tolerances are 0.2 vdc. carrier at 900 mhz carrier at 1900 mhz control input input power for 0.1 db compression input power for 1.0 db compression input power for 0.1 db compression input power for 1.0 db compression (vdc) (dbm) (dbm) (dbm) (dbm) +3 17 20 17 20 +5 25 30 24 29 +8 31 33 30 32 control input third order intercept (dbm) +7 dbm each tone (vdc) 900 mhz 1900 mhz +3 41 39 +5 45 43 +8 46 44 control input* control current signal path a (vdc) b (vdc) ia (ua) ib (ua) rf to rf1 rf to rf2 0 +3 -10 10 on off +3 0 10 -10 off on 0 +5 -55 55 on off +5 0 55 -55 off on 0 +7 -210 210 on off +7 0 210 -210 off on 0 +8 -280 280 on off +8 0 280 -280 off on
microwave corporation 14 - 69 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 14 switches - smt HMC221 v01.0700 absolute maximum ratings outline drawing gaas mmic sot26 spdt switch, dc - 3 ghz 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. control voltage range (a & b) -0.2 to +12 vdc storage temperature -65 to +150 c operating temperature -40 to +85 c
microwave corporation 14 - 70 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com switches - smt 14 HMC221 v01.0700 typical application circuit gaas mmic sot26 spdt switch , dc - 3 ghz notes: 1. set logic gate and switch vdd = +3v to +5v and use hct series logic to provide a ttl driver interface. 2. control inputs a/b can be driven directly with cmos logic (hc) with vdd of 5 to 8 volts applied to the cmos logic gates. 3. dc blocking capacitors are required for each rf port as shown. capacitor value determines lowest frequency of operation. 4. highest rf signal power capability is achieved with vdd = +8v and a/b set to 0/+8v.
microwave corporation 14 - 71 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 14 switches - smt HMC221 v01.0700 evaluation circuit board gaas mmic sot26 spdt switch , dc - 3 ghz the circuit board used in the ? nal application should be generated with proper rf circuit design tech- niques. signal lines at the rf port should have 50 ohm impedance and the package ground leads and package bottom should be connected directly to the ground plane similar to that shown above. the evalu- ation circuit board shown above is available from hittite microwave corporation upon request. list of material item description j1 - j3 pc mount sma rf connector j4 - j7 dc pin c1 - c3 330 pf capacitor, 0402 pkg. u1 HMC221 spdt switch pcb* 101659 evaluation pcb * circuit board material: rogers 4350
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