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october 2010 doc id 18091 rev 1 1/8 8 STEVAL-TDR017V1 demonstration board using the pd84001 for uhf rfid reader and 2-way radio features excellent thermal stability frequency: 860 - 960 mhz supply voltage: 7.2 v output power: 1 w power gain: 14.6 0.4 db efficiency: 51 % - 53 % load mismatch: 20:1 beo-free amplifier description the STEVAL-TDR017V1 is a demonstration board using the pd84001 ldmos transistor. it is designed for uhf rfid reader and 2-way radio applications. table 1. device summary part number STEVAL-TDR017V1 mechanical specification: l = 60 mm, w = 30 mm www.st.com
contents STEVAL-TDR017V1 2/8 doc id 18091 rev 1 contents 1 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 STEVAL-TDR017V1 electrical characteristics doc id 18091 rev 1 3/8 1 electrical characteristics t a = +25 o c, v dd = 7.2 v, i dq = 50 ma table 2. electrical specifications symbol test conditions min typ max unit freq frequency range 860 960 mhz p out 1w gain @ p in = 16 dbm 14.6 0.4 db nd @ p in = 16 dbm 51 - 53 % h2 2nd harmonic @ p in = 16 dbm -44 / -47 dbc h3 3rd harmonic @ p in = 16 dbm -51 / -57 dbc vswr load mismatch all phases @ p out =1 w 20:1 impedance STEVAL-TDR017V1 4/8 doc id 18091 rev 1 2 impedance figure 1. impedance illustration table 3. impedance data f(mhz) z gs z dl 860 4,36 + j1,91 5,67 - j0,89 870 4,41 + j2,00 5,58 - j0,69 880 4,46 + j2,07 5,52 - j0,43 890 4,48 + j2,15 5,41 - j0,20 900 4,51 + j2,19 5,32 + j0,03 910 4,53 + j2,22 5,26 + j0,25 920 4,57 + j2,30 5,203 + j0,47 930 4,51 + j2,31 5,07 + j0,68 940 4,53 + j2,34 5,05 + j0,93 950 4,53 + j2,34 4,99 + j1,13 960 4,49 + j2,34 4,92 + j1,31 z dl z in g d s z gs STEVAL-TDR017V1 test circuit doc id 18091 rev 1 5/8 3 test circuit figure 2. test circuit schematic rf in c4 tl 1 c6 c7 r2 r3 c1 r1 tl2 tl3 tl4 c8 tl5 tl6 tl7 pd84001 ldmos c11 c5 rfout c2 c9 vcc 2 - 1 + fr4 h=20 mil msub b2 l1 c10 c3 b1 table 4. part list component id description value ca se size manufacturer part code b1 ferrite bead panasonic exceldrc35c b2 ferrite bead panasonic exceldrc35c c1, c2 capacitor 120 pf 0603 murata grm39-c0g121j50d500 c3 capacitor 1 f 0603 murata grm39-x5r105k16d52k c4, c5 capacitor 39 pf 0603 murata grm39-c0g390j50d500 c6 capacitor 2.7 pf 0603 murata grm39-c0g2r7c50z500 c7 capacitor 6,8 pf 0603 murata grm39-c0g6r8d50z500 c8 capacitor 15 pf 0603 murata grm39-c0g150j50d500 c9 capacitor 10 pf 0603 murata grm39-c0g100d50d500 c10 capacitor 2.7 pf 0603 murata grm39-c0g2r7c50z500 c11 capacitor 1 pf 0603 murata grm39-c0g010c50z500 l1 inductor 12.55 nh coilcraft 1606-10 r1 resistor 510 ? 0603 tyco lectronics r2 potentiometer 10 k ? bourns electronics 3214w-1-103e r3 resistor 1 k 0603 tyco electronics 01623440-1 test circuit STEVAL-TDR017V1 6/8 doc id 18091 rev 1 component id description value ca se size manufacturer part code tl1 transmission line w = 0.92mm l = 12,6 mm tl2 transmission line w = 0.92mm l = 3,55 mm tl3 transmission line w = 0.92mm l = 2,55 mm tl4 transmission line w = 0.92mm l = 1,8 mm tl5 transmission line w = 0.92mm l = 3.1 mm tl6 transmission line w = 0.92mm l = 8,8 mm tl7 transmission line w = 0.92mm l = 6,4 mm rf in, rf out sma-conn 50 ? 60 mils johnson 142-0701-801 pd84001 ldmos stmicroelectronics pd84001 board fr-4 thk=0.020" 2oz cu both sides table 4. part list (continued) figure 3. demonstration board photo STEVAL-TDR017V1 revision history doc id 18091 rev 1 7/8 4 revision history updated table 5. document revision history date revision changes 11-oct-2010 1 initial release. STEVAL-TDR017V1 8/8 doc id 18091 rev 1 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2010 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com |
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