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the information provided herein is believed to be reliable at press time. sirenza microdevices assumes no responsibility for in accuracies or ommisions. sirenza microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at t he user?s own risk. prices and specifications are subject to change without notice. no patent rights or licenses to any of the circuits described herein are implied or granted to any third party. sirenza microdevices does not authorize or warrant any sirenza microdevices product for use in life-support devices and/or systems. copyright 2001 sirenza microdevices, inc. all worldwide rights reserved. 522 almanor ave., sunnyvale, ca 94085 phone: (800) smi-mmic http://www.sirenza.com 1 e ds - 1 0 2 0 8 3 r e v c the sirenza microdevices? STQ-2016 is a direct quadrature modulator targeted for use in a wide range of communica- tions systems, including cellular/pcs, cdma2000, umts, and ism datacom. this device features a wide 700-2500 mhz operating frequency band, excellent carrier and side- band suppression, and a low broadband noise floor. the STQ-2016 uses silicon germanium (sige) device tech- nology and delivers a typical output power of -11dbm with greater than 60db im3 suppression. a digital input shut-down feature is included that, when enabled, attenuates the output by 60db. the device is packaged in an industry standard 16 pin tssop with exposed paddle for superb rf and thermal ground. functional block diagram STQ-2016 7 0 0 - 2 5 0 0 m h z direct quadrature modulator product features applications excellent carrier feedthrough, -40 dbm wide baseband input, dc - 500 mhz superb phase accuracy and amplitude bal- ance, 0.5 deg./0.2 db no external if filter required very low noise floor, -155 dbm/hz low lo drive requirement, -5 dbm single +5 volt supply with digital shut-down cellular/pcs/cdma2000/umts transceivers ism band transceivers, 900 & 2400 mhz gmsk, qpsk, qam, ssb modulators product description 16 pin tssop with exposed ground pad package footprint: 0.197 x 0.252 inches, (5.0 x 6.4 mm) package height: 0.039 inches (1.0 mm) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 bbqn rfp rfn bbin bbqp lop lon bbip lo quadrature generator vcc vee vee vccsd vee vee vcc product specifications ? rf output: t a = 25oc parameters test conditions (see page 2) units min. typ. max. min. typ. max. rf frequency range mhz 700 1000 1700 2500 output power dbm -13.0 -10.5 -9.0 -15.0 -11.5 -9.0 rf port return loss matched to 50 ? (refer to schematics on pages 6 & 7) db 20 16 output p1db dbm +3 +4 0 +3 carrier feedthrough d bm -40 -34 -40 -32 sideband suppression db 34 40 34 40 im3 suppression two-tone baseband input @ 600mvp-p differen- tial per tone db 58 62 58 65 broadband noise floor baseband inputs tied to 1.9v dc , -20mhz offset from carrier dbm/hz -154 -150 -155 -150 quadrature phase error deg -2 0.5 +2 -2 0.5 +2 i/q amplitude balance db -0.2 0.05 +0.2 -0.2 0.05 +0.2 supply voltage (vcc) v +4.75 +5 +5.25 +4.75 +5 +5.25 supply current ma 73 82 73 82 device thermal resistance junction-case oc/w 25 25
522 almanor ave., sunnyvale, ca 94085 phone: (800) smi-mmic http://www.sirenza.com 2 e d s - 1 0 20 8 3 r e v c
test conditions (for all product specification tables unless otherwise noted) v cc (pins 2,10,15) +5v t a +25oc baseband input (pins 1, 8, 9, 16) 1.9v dc bias, 200khz fre- quency, 300mvp-p per pin = 600mvp-p differential drive, i and q signals in quadrature lo input (pins 4, 5) -5dbm @ 1960 mhz product specifications ? miscellaneous: t a = 25oc parameters additional test conditions unit min. typ. max. shut-down attenuation db 60 shut-down pin resistance @ 1mhz kohm 11.9 shut-down pin capacitance @ 1mhz pf 5.2 shut-down control voltage thresholds shut-down disabled (normal operation) v 3.75 vcc shut-down enabled v 0.0 1.5 shut-down settling time ns <450 product specifications - lo input: t a = 25oc parameters additional test conditions unit min. typ. max. lo frequency mhz 700 2500 lo drive level dbm-8-5-2 lo port return loss matched to 50 ? (refer to schematics on pages 6 & 7) db 16 product specifications - baseband modulation input: t a = 25oc parameters additional test conditions unit min. typ. max. baseband frequency input -3db bandwidth, baseband inputs terminated in 50 ohms mhz dc 500 baseband input resistance per pin kohms 4.4 baseband input capacitance per pin pf 0.5
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700 - 1000 mhz typical device performance ssb power vs. l o f r equency -15 -13 -11 -9 -7 -5 700 750 800 850 900 950 1000 l o f requency (mhz) ssb power (dbm) carrier feedthrough vs. lo frequency -50 -46 -42 -38 -34 -30 700 750 800 850 900 950 1000 l o f requency (mhz) car r i er f eedt hr ough (db m) intermodulation distortion vs. ssb output power @ 880 mhz -100 -80 -60 -40 -20 0 -12 - 10 -8 -6 -4 -2 0 2 4 6 bb input l evel (dbvp-p dif f .) out p ut p ower (db m) fundamental (each t one) 3rd intermod. (each tone) si deband suppr essi on vs. l o f r equency 30 34 38 42 46 50 700 750 800 850 900 950 1000 l o f requency (mhz) sideband suppression (dbm) out put p1db vs. l o f r equency 0 2 4 6 8 10 700 750 800 850 900 950 1000 l o f requency (mhz) output p1db (dbm) rf & lo port return losses 0 10 20 30 40 700 750 800 850 900 950 1000 frequency (mhz) return loss (db) rf por t lo port
522 almanor ave., sunnyvale, ca 94085 phone: (800) smi-mmic http://www.sirenza.com 4 e d s - 1 0 20 8 3 r e v c
1500 - 2500 mhz typical device performance ssb power vs. lo frequency -15 -13 -11 -9 -7 -5 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 lo frequency ssb power (dbm) -40oc +25o c +85o c out put p1db vs. l o f r equency 0 2 4 6 8 10 1500 1700 1900 2100 2300 2500 lo frequency (mhz) output p1db (dbm) sideband suppression vs. lo frequency 30 34 38 42 46 50 1500 1700 1900 2100 2300 2500 l o f requency (mhz) sideband suppression (dbm) -40oc +25oc +85oc rf & l o por t ret ur n l osses 0 5 10 15 20 25 30 1500 1700 1900 2100 2300 2500 f requency (mhz) return loss (db) rf por t lo port carrier feedt hrough vs. lo frequency -50 -46 -42 -38 -34 -30 1500 1700 1900 2100 2300 2500 l o f requency (mhz) carrier feedthrough (dbm) -40oc +25oc +85oc int er modulat ion dist ort ion vs. ssb out put power @ 1960 mhz -100 -80 -60 -40 -20 0 -12 -10 -8 -6 -4 -2 0 2 4 6 out put p ower (db m) bb input l evel (dbvp-p dif f .) -40oc +27oc +85oc 3rd intermod.
522 almanor ave., sunnyvale, ca 94085 phone: (800) smi-mmic http://www.sirenza.com 5 e d s - 1 0 20 8 3 r e v c
part number ordering information part number reel size devices/reel min. max. STQ-2016 7? 500 1000 caution: esd sensitive appropriate precaution in handling, packaging and testing devices must be observed. notes: 1. package body sizes exclude mold flash protrusions or gate burrs.
.004" ( )
3. coplanarity: .004" (0.1mm) 4. controlling dimension is millimeter, converted inch dimensions are not necessarily exact. 5. followed from jedec mo-153. 0 8 lot # stq 2016 xzzzz part # dimensions in inches (mm) absolute maximum ratings parameters value unit supply voltage (vcc) 6.0 v dc lo, rf input (lop, lon, rfp, rfn) +10 dbm baseband min input voltage (bbip, bbin, bbqp, bbqn) 0v dc baseband max input voltage (bbip, bbin, bbqp, bbqn) 3v dc operating temperature -40 to +85 oc storage temperature -65 to +150 oc operation of this device beyond any one of these limits may cause permanent damage. for reliable continuous operation the device voltage and current must not exceed the maximum oper- ating values specified in the table on page one. pin out description pin # function description additional comments 1 bbqp q-channel baseband input, positive terminal nominal dc bias voltage is 1.9v (biased internally) 2 vcc positive supply (+5v) 3 vee ground 4 lop local oscillator input, positive terminal nominal dc voltage is 2.0v. input should be ac-coupled. 5 lon local oscillator input, negative terminal nominal dc voltage is 2.0v. input should be ac-coupled. 6 vee ground 7 sd shut-down control logic high = normal operation; logic low = shut-down enabled. 8 bbip i-channel baseband input, positive terminal nominal dc bias voltage is 1.9v (biased internally) 9 bbin i-channel baseband input, negative terminal nominal dc bias voltage is 1.9v (biased internally) 10 vcc positive supply (+5v) 11 vee ground 12 rfn rf output, negative terminal nominal dc voltage is 2.4v. output should be ac-coupled. 13 rfp rf output, positive terminal nominal dc voltage is 2.4v. output should be ac-coupled. 14 vee ground 15 vcc positive supply (+5v) 16 bbqn q-channel baseband input, negative terminal nominal dc bias voltage is 1.9v (biased internally) 0.118 (3.0) 0.118 (3.0) 0.049 (1.25) 0.272 (6.9) 0.035 (0.9) 0.010 (0.25) via - indicates metalization - vias connect pad to underlying ground plane all units are in inches (mm) 0.012 (0.30) 0.014 (0.35) 0.024 (0.63) 0.028 (0.7) suggested pcb pad layout package dimensions (?16? package)
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700 ? 1000 mhz application schematic STQ-2016 h2 r8 r9 r10 p12 p13 bbip bbin 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 bbqp bbqn r1 r7 p8 p9 vcc vcc c6 c9 c10 c1 6 c18 vcc c17 c4 c5 vcc 1 8 4 5 t3 p10 loin p11 rfout t4 14 85 vcc vcc h2 c3 l1 1 2 rfp rfn lop lon sd u1 vee vee vcc vcc vee vee vcc 1 2 sh1 connect backside exposed paddle to rf/dc ground. bbip bbin bbqp bbqn hut-down 2.0" (50.8mm) 1 2 h1 h2 p8 p9 p1 0 p11 p12 p13 c3 l1 u1 r1 r9 r10 r7 r8 c9 c6 c18 c4 c5 c10 c16 c17 sh1 1 2 2.0" (50.8mm) t3 t4 bbqp bbqn bbip bbin shutdown gnd lo in rf out vcc fully assembled pcb note: remove sh1 to enable modulated output. bill of materials (for 700 ? 1000 mhz evaluation board p/n eeb-102263) component designator value qty vendor part number description u1 1 smdi STQ-2016 sige direct quadrature modulator p8, p9, p10, p11, p12, p13 6 johnson components 142-0701-851 sma connector, end launch with tab, for .062? thick board h1, h2 2 amp 640453-2 2-pin header, right angle t3, t4 1:1 2 panasonic ehf-fd1618 rf transformer, 700-1300mhz l1 1uh 1 panasonic elj-fa1r0kf2 inductor, 1210 footprint, 10% tolerance r1, r7, r9, r10 200 ohm 4 venkel cr1206-8w-2000t resistor, 1206 footprint, 1% tolerance r8 1 kohm 1 venkel cr0603-16w-1001ft resistor, 0603 footprint, 1% tolerance c6, c18 33pf 2 venkel c0603cog500-330jne capacitor, 0603 footprint, cog dielectric, 5% tolerance c9, c17 1nf 2 venkel c0603cog500-102jne capacitor, 0603 footprint, cog dielectric, 5% tolerance c3 2.2uf 1 venkel c1206y5v160-225zne capacitor, 1206 footprint, y5v dielectric, 16v rating c4, c5, c10, c16 10pf 4 venkel c0603cog500-100jne capacitor, 0603 footprint, cog dielectric, 5% tolerance sh1 1 3m 929950-00 shunt for 2-pin header
522 almanor ave., sunnyvale, ca 94085 phone: (800) smi-mmic http://www.sirenza.com 7 e d s - 1 0 20 8 3 r e v c
1.7 ? 2.5 ghz application schematic STQ-2016 h2 r8 r9 r1 0 p12 p13 bbip bbin 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 bbqp bbqn r1 r7 p8 p9 vcc vcc c6 c9 c10 c16 c18 vcc c17 c4 c5 vcc 1 8 4 5 t3 p10 loin p11 rfout t4 14 85 vcc vcc h2 c3 l1 1 2 rfp rfn lop lon sd u1 vee vee vcc vcc vee vee vcc c2 c1 1 2 sh1 connect backside exposed paddle to rf/dc ground. bbip bbin bbqp bbqn hut-down 2.0" (50.8mm) 1 2 h1 h2 p8 p9 p10 p11 p12 p13 c3 l1 u1 r1 r9 r10 r7 r8 c9 c6 c18 c4 c5 c10 c16 c17 sh1 1 2 2.0" (50.8mm) c1 t3 t4 c2 bbqp bbqn bbip bbin shutdown gnd lo in rf out vcc fully assembled pcb note: remove sh1 to enable modulated output. bill of materials (for 1.7 ? 2.5 ghz evaluation board p/n eeb-102264) component designator value qty vendor part number description u1 1 smdi STQ-2016 sige direct quadrature modulator p8, p9, p10, p11, p12, p13 6 johnson components 142-0701-851 sma connector, end launch with tab, for .062? thick board h1, h2 2 amp 640453-2 2-pin header, right angle t3, t4 1:1 2 panasonic ehf-fd1619 rf transformer, 1200-2200mhz l1 1uh 1 panasonic elj-fa1r0kf2 inductor, 1210 footprint, 10% tolerance r1, r7, r9, r10 200 ohm 4 venkel cr1206-8w-2000t resistor, 1206 footprint, 1% tolerance r8 1 kohm 1 venkel cr0603-16w-1001ft resistor, 0603 footprint, 1% tolerance c1, c2 0.5pf 2 venkel c0603cog500-0r5cne capacitor, 0603 footprint 0.25pf tolerance c6, c18 6.8pf 2 venkel c0603cog500-6r8cne capacitor, 0603 footprint, cog dielectric, 0.25pf tol. c9, c17 1nf 2 venkel c0603cog500-102jne capacitor, 0603 footprint, cog dielectric, 5% tolerance c3 2.2uf 1 venkel c1206y5v160-225zne capacitor, 1206 footprint, y5v dielectric, 16v rating c4, c5, c10, c16 2.2pf 4 venkel c0603cog500-2r2cne capacitor, 0603 footprint, cog dielectric, 0.25pf toler- ance sh1 1 3m 929950-00 shunt for 2-pin header
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lo match 0 90 0 90 lo- bbq+ bbi- lo+ rf match + vocm - vcc 50 50 2k 2k 499 499 -4dbm lo rf+ rf- rf out 50 5.11k 5.11k 10k 24.9 bbi bbq + vocm - vcc 50 50 2k 2k 499 499 50 5.11k 5.11k 10k 24.9 1k 1k vcc vcc stq-x016 dc levels for bbin, bbip, bbqn, bbqp are 1.9v nominal. the offset required to null carrier feedthrough is typically <20mv. 600mv p-p differential 600mv p-p differential +5v 200khz sine 145mv amplitude 0 degree phase 200khz sine 145mv amplitude +90 degree phase - for intermodulation tests, synthesizer set for 200khz and 220khz sine outputs on i and q channels bbi+ bbq- ad8138 ad8138 direct quadrature modulator: general test set-up

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