microwave corporation 14 - 2 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 HMC154S8 gaas mmic smt low distortion t/r switch, dc - 2.5 ghz v01.0701 general description features functional diagram high third order intercept: +60 dbm single positive supply: +3 to +10v high rf power capability ttl/cmos control electrical speci cations, t a = +25?c, vdd = +5 vdc, 50 ohm system typical applications the HMC154S8 is ideal for: mmds & wirelesslan basestation infrastructure portable wireless the HMC154S8 is a low-cost spdt switch in an 8-lead soic package for use in transmit-receive applications which require very low distortion at high signal power levels. the device can control signals from dc to 2.5 ghz and is especially suited for 900 mhz and 1.8 - 2.2 ghz applica- tions. the design provides exceptional inter- modulation performance; providing a +60dbm third order intercept at 8 volt bias. rf1 and rf2 are re? ective shorts when ?off?. on-chip circuitry allows single positive supply operation at very low dc current with control inputs compatible with cmos and most ttl logic families. parameter frequency min. typ. max. units insertion loss dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz 0.5 0.7 1.0 0.7 0.9 1.3 db db db isolation dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz 22 19 15 25 22 18 db db db return loss dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz 20 14 10 30 18 13 db db db input power for 1 db compression 0/8v control 0.5 - 1.0 ghz 0.5 - 2.0 ghz 35 34 39 38 dbm dbm input third order intercept 0/8v control 0.5 - 1.0 ghz 0.5 - 2.0 ghz 55 54 60 60 dbm dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 2.5 ghz 10 24 ns ns
microwave corporation 14 - 3 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 -5 -4 -3 -2 -1 0 insertion loss (db) 01234 frequency (ghz) -40 -30 -20 -10 0 isolation (db) 01 23 4 frequency (ghz) -40 -30 -20 -10 0 return loss (db) 01234 frequency (ghz) HMC154S8 return loss insertion loss isolation v01.0701 gaas mmic smt low distortion t/r switch, dc - 2.5 ghz 25 30 35 40 45 compression (dbm) 2 4 6 8 10 12 bias (volts) 1db at 900mhz 0.1db at 1900mhz 0.1db at 900mhz 1db at 1900mhz 35 40 45 50 55 60 65 ip3 (dbm) 2 4 6 8 10 12 bias (volts) 900mhz 1900mhz input power for 0.1 and 1.0 db compression vs. bias voltage input third order intercept vs. bias voltage
microwave corporation 14 - 4 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 HMC154S8 compression vs. bias voltage caution: do not operate in 1db compression at power levels above +35dbm and do not ?hot switch? power levels greater than +23dbm (vdd = +5v). v01.0701 distortion vs. bias voltage gaas mmic smt low distortion t/r switch, dc - 2.5 ghz truth table *control input voltage tolerances are 0.2 vdc. carrier at 900 mhz carrier at 1900 mhz bias vdd 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 (volts) (dbm) (dbm) (dbm) (dbm) 327 31 26 30 430 34 29 33 532 36 31 35 836 39 35 38 10 37 40 36 39 1 watt carrier at 900 mhz 1 watt carrier at 1900 mhz bias vdd third order intercept second order intercept second harmonic third order intercept second order intercept second harmonic (volts) (dbm) (dbm) (dbc) (dbm) (dbm) (dbc) 3437145427855 4488555468865 5539056518758 8609058609059 10 60 90 59 60 90 60 bias control input* bias current control current control current signal path state vdd (vdc) a (vdc) b (vdc) idd (ua) ia (ua) ib (ua) rf to rf1 rf to rf2 3 0 0 30 -15 -15 off off 3 0 vdd 25 -25 0 on off 3 vdd 0 25 0 -25 off on 5 0 0 110 -55 -55 off off 5 0 vdd 115 -100 -15 on off 5 vdd 0 115 -15 -100 off on 10 0 0 380 -190 -190 off off 10 0 vdd 495 -275 -220 on off 10 vdd 0 495 -220 -275 off on 5 -vdd vdd 600 -600 225 on off 5 vdd -vdd 600 225 -600 off on
microwave corporation 14 - 5 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 HMC154S8 v01.0701 absolute maximum ratings outline drawing gaas mmic smt low distortion t/r switch, dc - 2.5 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. bias voltage range (vdd) -0.2 to +12 vdc control voltage range (a & b) -0.2 to vdd vdc storage temperature -65 to +150 c operating temperature -40 to +85 c
microwave corporation 14 - 6 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 HMC154S8 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 3 to 8 volts applied to the cmos logic gates and to pin 4 of the rf switch. 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 v set to +10v. the switch will operate properly (but at lower rf power capability) at bias voltages down to +3v. v01.0701 typical application circuit gaas mmic smt low distortion t/r switch, dc - 2.5 ghz
microwave corporation 14 - 7 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 HMC154S8 v01.0701 evaluation circuit board gaas mmic smt low distortion t/r switch, dc - 2.5 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 hit- tite 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 HMC154S8 spdt switch pcb* 101786 evaluation pcb * circuit board material: rogers 4350
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