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  %? %? %? %? tel:+86-311-87091891 87091887 fax:+86-311-87091282 http://www.cn-bowei.com e-mail:cjian@cn-bowei.com 55 specifications ( t a =25 ,v cc = 2v ! +1 ) maximum dc voltage : +15 maximum tuning voltage : +30 minimum tuning voltage : -0 . 7 maximum storage temp: ? 125 ! v v v 1.this device is only an oscillator; an external buffer amplifier or isolator is required to lower the frequency pulling 2.see assembly section for mounting information 3.esd observe handling precautions 4.pin 2 can be used as another tuning port if necessary absolute ratings bowei integrated circuits co.,ltd. b wei o output power (dbm) frequency vs tuning voltage frequency(mhz) tuning voltage(v) tuning sensitivity(mhz/v) phase noise(dbc/hz) typical performance to-8e smo-8e 1 3 4 4 3 5 lot number hemxxx application notes power output vs tuning voltage phase noise vs offset frequency (hz) offset h heme831 / 831 tuning voltage(v) tuning sensitivity vs tuning voltage tuning voltage(v) 0 4 1700 1860 1780 16 6 8 10 12 14 20182 2020 1940 2100 0 4 12 14 16 16 ta=+25! ta=+85! ta= - 55! 6 8 10 12 14 20182 0 4 5 15 35 16 6 8 10 12 14 20182 25 -150 -130 1k 10k -50 -110 -70 100k 1m -90 parameter symbol unit guaranteed typical frequency range power output variation tuning voltage pushing spurious db m "e 13   v  3.0 "d -70 f ?^ f l h mhz 1800 ?^ 1950  v t k vc r fs db 0 test condition harmonics ssb phase noise frequency drift tuning port capacitance current p o1 %3 p o r fn s $ %3 f i cc c t mhz/v db c db c db c / hz mhz ma pf 0 ?^ 15 -20       -25 -9 5 35 70 90 v : 0 ?^ 15v t  v = 11 ?^ 13v , v = 5v cc t v = 5v , f = 10khz t m v = 5v , :- ?^+ ! t t a 55 85    "d p o2 dbm  1 . 0 v = 5v t 1 . 5 1 vco vco 1 1 2 2 3 3 4 4 5 5 6 6 features %? built-in bu f fer amplifier l ow frequency pulling %? dual output f lexible tuning design %? perfect tuning linearity t hin film hybrid construction %? to-8e 0 smo-8e 0 sp-1 package %? operating t emperature r ange ? -55 !?^ +85 ! dual output integrated vco 6. vcc 5. gnd 3. po 2 1. v t 4. po 1 2. gnd attenuator power splitters combiners 5 2 6 62 main output aux output f l-h :1800??1950mhz f l-h :1800??1950mhz f l-h :1800??1950mhz


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