rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-9148 e-mail: info@rfm.com page 1 of 2 rfm europe phone: 44 1963 251383 fax: 44 1963 251510 http://www.rfm.com ?1999 by rf monolithics, inc. the stylized rfm logo are registered trademarks of rf monolithics, inc. HO1126-101899 electrical characteristics characteristic sym notes minimum typical maximum units operating frequency absolute frequency f o 1, 7 1089.750 1090.000 1090.250 mhz tolerance from 1090.0 mhz d f o 250 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 -100 -90 dbc/hz 10 khz offset -120 -110 rf impedance nominal impedance z o 3 50 w operating load vswr g l 3, 5 1.5:1 dc power supply operating voltage v cc 3, 6 11.75 12.0 12.25 vdc operating current i cc 35 40 ma operating ambient temperature t a 3, 6 -55 +105 c lid symbolization (yy=year, ww=week) rfm HO1126 yyww fp 18-8 case ? saw frequency stabilization ? fundamental-mode oscillation at 1090.0 mhz ? ideal for iff transponder applications the frequency of this oscillator is stabilized by surface-acoustic-wave (saw) technology. this results in ex- cellent performance from a compact, rugged, hermetically-sealed oscillator operating at the fundamental fre- quency of 1090.0 mhz. the high-reliablity HO1126 is designed for use in identify-friend-or-foe (iff) radar transponders in military aviation. military screening is available as an option. the HO1126 is a surface-mount- able flatpack version of the ho1081 oscillator. absolute maximum ratings rating value units dc supply voltage 0 to +13 vdc ambient temperature powered -55 to +105 c storage -55 to -125 1090.0 mhz saw oscillator HO1126 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: 4,616,197; 4,610,681; and 4,761,616. 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 w 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 damage 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 10 ground case ground 2 case ground 8 rf output 9 18 vcc 17 case ground 11 case ground
1090.0 mhz saw oscillator rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-9148 e-mail: info@rfm.com page 2 of 2 rfm europe phone: 44 1963 251383 fax: 44 1963 251510 http://www.rfm.com ?1999 by rf monolithics, inc. the stylized rfm logo are registered trademarks of rf monolithics, inc. HO1126-101899 fp18-8 metal flatpack with 8 leads in a 18-lead flatpack configuration
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