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. HX1003-101899 electrical characteristics characteristic sym notes minimum typical maximum units operating frequency absolute frequency f o 1, 2, 3, 4, 10 417.900 418.100 mhz tolerance from 418.0 mhz d f o 100 khz rf output power into 50 w at 25c p o 2, 4, 5, 10 -3 0 dbm within specified temperature range 2, 3, 4, 5 -5 0 harmonic spurious emissions 2, 3, 4, 5 -45 -35 dbc modulation input input high voltage v ih 3, 4, 5 2.5 v cc v input low voltage v il 0.0 0.3 input high current i ih 100 a input low current i il 0.0 data timing parameters modulation rise time t r 3, 4, 5, 6 100 s modulation fall time t f 100 power supply voltage v cc 5, 7 2.7 3 3.3 vdc peak current i cc 3, 4, 5, 8 7 10 ma standby current 5, 9 1.0 a operating case temperature range t c 5 -40 +85 c lid symbolization (in addition to lot and/or date codes) rfm HX1003 sm-4 case ? ideal for 418.0 mhz unlicensed transmitters in the uk and usa ? meets the most stringent european remote-control regulations ? compact, surface-mount case with <90mm 2 footprint the HX1003 is a miniature transmitter module that generates on-off keyed (ook) modulation from an exter- nal digital encoder (not included). the carrier frequency is quartz, surface-acoustic-wave (saw) stabilized, and output harmonics are suppressed by a saw filter. the result is excellent performance in a simple-to- use, surface-mount device with a low external component count. the HX1003 is designed specifically for unlicensed remote-control and wireless security transmitters operating at 418.0mhz in the united kingdom under dti mpt 1340 regulations and in the usa under fcc part 15 regulations. absolute maximum ratings rating value units power supply and/or modulation input voltage 10 v nonoperating case temperature -40 to +85 c ten-second soldering temperature 230 c 418.0 mhz hybrid transmitter HX1003 caution: electrostatic sensitive device. observe precautions for handling. notes: 1. one or more of the following united states patents apply: 4,454,488; 4,616,197; 4,670,681; and 4,760,352. 2. typically, equipment utilizing this device requires emissions testing and government approval, which is the responsibility of th e equipment manufac- turer. 3. applies over the specified range of operating temperature. 4. applies over the specified range of operating power supply voltage. 5. the design, manufacturing process, and specifications of this device are subject to change without notice. 6. the maximum modulation bandwidth (and data rate) is dependent on the characteristics of the external encoding circuitry (not inc luded). 8. unless noted otherwise, case temperature t c = +25c 2c, test load impedance = 50 w , and modulation input is at logic high. the maximum oper- ating current occurs at the maximum specified power supply voltage and maximum specified operating temperature. 9. standby current is defined as the supply current consumed with the modulation input at logic low. 10. improper antenna loading affects performance of hx device.
418.0 mhz hybrid transmitter 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. HX1003-101899 electrical connections block diagram case design footprint typical test circuit *note: bypass required only for ?hx2...? series transmitters in the 902 to 928 mhz band. typical transmitter application notes: 1. this matching component is required only for antennas that are not 50 ohms. it is typically a chip inductor to match to stub antennas shorter than ? wavelength. for very low radiated field-strength appli- cations, a resistor can also be used. 2. for esd protection. terminal number connections 1 data input 2 +dc supply 3 ground 4 rf output to 50 w dimensions millimeters inches min max min max a 10.67 0.420 b 1.27 nominal 0.050 nominal c 2.67 nominal 0.105 nominal d 5.08 nominal 0.200 nominal e 1.70 nominal 0.067 nominal f 5.36 nominal 0.211 nominal g 2.80 0.110 h 9.02 0.355 2 1 3 4 top view terminal 1 data input terminal 3 ground terminal 4 rf output to 50 w terminal 2 +dc supply bottom view saw filter saw filter c bottom view pulse generator +dc supply 2 1 4 3 100 pf* 50 w rf spectrum analyzer, rf power meter, or 50 w frequency counter u2 hxxxxx hybrid transmitter mc145026d or similar 100 pf (see note 2) (see note 1)
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