www.rfm.com e-mail: info@rfm.com page 1 of 2 ?2010 by rf monolithics, inc. HO1091 - 10/27/10 electrical characteristics characteristic sym notes minimum typical maximum units operating frequency absolute frequency f o 1, 7 1089.2 1090.0 1090.8 mhz tolerance from 1090.0 mhz ? f o 800 khz rf output power p o 3, 6 +10 +12 +13 dbm 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 -85 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 voltage v cc 3, 6 11.75 12.00 12.25 vdc operating current i cc 37 40 ma operating ambient temperature t a 3, 6 -40 +85 c lid symbolization (yy=year, ww=week) rfm HO1091 yyww dip 16-8 case ? saw frequency stabilized fundamental-mode oscillation at 1090 mhz ideal for atc transponder applications complies with directive 2002/95/ec (rohs) the frequency of this oscillator is stabilized by uhf surface-acoustic-wave (saw) technology, providing ex- cellent performance in a compact, rugged oscillator operating at the fundamental frequency of 1090 mhz. the highly-reliable HO1091 is designed for use in air traffic control transponders. absolute maximum ratings rating value units dc supply voltage 0 to +13 vdc ambient temperature powered -40 to +85 c storage -55 to +125 1090 mhz saw oscillator HO1091 caution: electrostatic sensitive device. observe precautions for handling. cocom caution: approval 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 = +25c 2c, v cc = nom- inal voltage 0.01 vdc, and load impedance = 50 ? with vswr 1.5:1. 3. the design, manufacturing process, and specifications of this device are subject to change without notice. 4. applies to oscillator only and not to sidebands caused by external electrical or mechanical sources. (dedicated external voltage regulation with low-frequency filter- ing for the dc power supply and proper circuit board layout are recommended for optimum spectral purity.) 5. for specified maximum operating load vswr,any angle, at f o . no instability or dam- age will occur 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. block diagram electrical connections rf output v cc buffer amplifier saw oscillator top view ground 1 v cc ground 2 ground 7 output 8 15 ground 10 ground 9 ground
1090 mhz saw oscillator www.rfm.com e-mail: info@rfm.com page 2 of 2 ?2010 by rf monolithics, inc. HO1091 - 10/27/10 dip16-8 metal dual-inline package with 8 leads in a 16-lead dip configuration dimension mm inches min max min max a ? 25.02 ? 0.985 b ? 12.83 ? 0.505 c ? 6.35 ? 0.250 d 0.40 0.51 0.016 0.020 e 0.64 nominal 0.025 nominal f 7.62 nominal 0.300 nominal g 2.54 nominal 0.100 nominal h 17.78 nominal 0.700 nominal k 3,39 6.73 0.130 0.265 l1.30 ? 0.051 ? m ? 11.18 ? 0.440 n ? 22.60 ? 0.890 r 1.75 2.26 0.069 0.089 top view bottom view d (8 places) b m a n e pin 1 mark ( optional) (4 places) l c k f r (3 places) h g (4 places) 1 2 7 89 10 15 16
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