www.rfm.com e-mail: info@rfm.com page 1 of 3 ? 2011 by rf monolithics, inc. HX1080 - 12/9/11 electrical characteristics characteristic sym notes minimum typical maximum units operating frequency absolute frequency f o 1, 7 1029.7 1030.0 1030.3 mhz tolerance from 1030.0 mhz ? f o 300 khz rf output power p o 3, 6 +10 +12 +13 dbm start-up time 2, 8 500 ns discrete spurious second harmonics 2, 3, 4 -25 -20 dbc third and higher harmonics -35 -30 nonharmonic < -100 -80 ssb phase noise 1 khz offset 2, 3, 4 -90 dbc/hz 10 khz offset -110 rf impedance nominal impedance z o 350 ? operating load vswr g l 3, 5 1.5:1 dc power supply operating/enable voltage v cc 3, 6 3.0 3.3 3.7 vdc operating current i cc 37 40 ma operating ambient temperature t a 3, 6 -55 +105 c lid symbolization (yy=year, ww=week) rfm HX1080 yyww ? saw frequency stabilized ? fundamental-mode oscillation at 1030.0 mhz ? designed for atc/tcas transponder applications ? complies with directive 2002/95/ec (rohs) the frequency of this oscilla tor is stabilized by uhf surf ace-acoustic-wav e (saw) tech- nology, providing excellent perf ormance in a compact, rugged oscillator opera ting at the fundamental frequency of 1030.0 mhz. the highly-reliable HX1080 is designed for use in mode-s air traffi c control transponders/traffic al ert and collision avoidance sys- tems (tcas). absolute maximum ratings rating value units dc supply voltage 3.0 to +3.7 vdc ambient temperature powered -55 to +105 c storage -55 to +125 1030.0 mhz saw oscillator HX1080 caution: electrostatic sensitive device. observe precautions for handling. co com caution: appro val by the u.s. department of commerce is required prior to export of this device. notes: 1. one or more of the following united states patents apply: 4,760,352; 5,787,117; and 7,260,375. 2. unless noted otherwise, all specifications are listed at t a = +25 2 c, v cc = nominal voltage 0.01 vdc, and load impedance = 50 ? with vswr ? 1.5:1. 3. the design, manufacturing process, and specifications of this device are subj ect to change without notice. 4. applies to oscillator only and not to si debands caused by external elec trical or mechanical source s. (dedicated external volt age regulation with low-frequency filtering for the dc power supply and proper circ uit board layout are recommended for optimum spectral purity.) 5. for specified maximum operat ing load vswr,any angle, at f o . no instability or damage will o ccur for any passive load impedance. 6. for any combination of v cc and t a within the specified operating ranges. 7. applies for any combination of note 5 and 6 conditions. 8. start-up time is defined as the time from when 90% of vcc is applied to the enable pin until the rf output reaches 90% of its steady-state output level. preliminary
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a b c d e f h g i dimension mm inches min nom max min nom max a 10.6 10.7 10.9 0.417 0.423 0.429 b 6.7 6.8 7.0 0.264 0.270 0.276 c 1.5 1.8 2.0 0.061 0.070 0.079 d 1.4 1.7 1.9 0.058 0.066 0.074 e 3.2 3.3 3.4 0.125 0.130 0.135 f 1.8 1.9 2.0 0.069 0.074 0.079 g 0.4 0.6 0.6 0.015 0.020 0.025 h 0.9 1.0 1.1 0.035 0.040 0.045 i 1.7 1.8 1.9 0.065 0.070 0.075 sm3-20h pcb pad layout dimensions in inches .100 .380 0.000 0 . 0 0 0 .075 .115 .155 .195 .235 .275 .315 .355 . 0 9 0 .455 . 1 2 2 5 . 1 6 2 5 . 1 4 7 5 . 1 8 7 5 . 2 2 0 . 3 1 0 HX1080 pin out
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# $ % & ' ( ) ) * + , % # # ) ( * + , ( ref description part number manufacturer c1 capacitor, 0.1 f, 0402 smd grm155r61a104ka01b murata l1 ferrite bead, 300 ohm, 0402 smd 74279272 wurth electonics, inc. l2 inductor, 1.8 nh 0402 smd ll1005-fhl1n8s toko r1 resistor, 4.99k, 0402 smd, 1/16 w, 5% rr0510p-4991-d susumu r2 thermistor, 0805 smd, 1k, +4110 ppm tfpt0805l1001fv vishay dale u1 1030 mhz saw oscillator, smd HX1080 rf monolithics, inc. pi n name description 1 gnd oscillator ground 2 vcc power input, +3.3 v nominal. this pin must be supplied through a ferrite bead of 300 ohm nominal impedance 3 vcc power input, +3.3 v nominal 4 n/c mechanical connect ion only, make no electrical connection 5 n/c mechanical connect ion only, make no electrical connection 6 n/c mechanical connect ion only, make no electrical connection 7 n/c mechanical connect ion only, make no electrical connection 8 level current-driven rf output level control input. allows temperature compensation of rf output level. 9 vcc power input, +3.3 v nominal 10 gnd oscillator ground 11 n/c mechanical connect ion only, make no electrical connection 12 gnd oscillator ground 13 gnd oscillator ground 14 gnd oscillator ground 15 gnd oscillator ground 16 vcc power input, +3.3 v nominal 17 vcc power input, +3.3 v nominal 18 gnd oscillator ground 19 gnd oscillator ground 20 rfout rf output pin, match to 50 ohm load with a 1.8 nh series inductor HX1080 application circuit HX1080 oscillator saw
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