nsvs680 jan. 2014 application 447mhz low power transceiver electrical specification: (table 1) the device characteristics are measured in the circuit shown in fig.1. maximum rating: (table 2) mechanical specifications: (fig.2) package is designed as small as 3.5x3.5x1.0[mm 3 ] for smd (surface mount device) type. notice: this part is electrostatic discharge sensitive and may be damaged by improper handling. table 1. electrical specifications item spec. typ. input and output impedance 50? - nominal center frequency (f0) 447 mhz - insertion loss 446~448mhz 3.0db max. 2.0db response variation 446~448mhz 1.5db max. 0.6db input and output vswr 446~448mhz 2.5 max. 1.8 out of band rejection (relative to through level) 425.3mhz 45db min. 58db 430.0mhz 30db min. 53db (operating temperature range: -20~+70oc) table 2. maximum ratings item rating maximum input power +20dbm maximum dc voltage 7.5v operating temperature range -20~+70oc storage temperature -30~+80oc new jrc saw filter nsvs680 http://www.njr.co.jp/products/device/index.html (japanese) http://www.njr.com/products/device/index.html (english)
nsvs680 jan. 2014 marking (1) manufactures mark (2) lot number (a) year (b) month *oct.--- x nov.--- y dec.--- z (3) part number mark pin no. connection 1 gnd 2 in/out 3 gnd 4 gnd 5 gnd 6 out/in 7 gnd 8 gnd 3.50.2 3.50.2 1.00.2 (0.95) (0.8) [5x] (2.54) ( 1 . 2 7 ) (0.6) [8x] (0.6) 2 3 4 5 6 7 8 1 (1.0) (3) (2) (b) (a) (1) [2x] fig.1 measuring circuit fig.2 package dimensions (in mm) fig.3 desirable land area (in mm) j17 hk 1 2 345 6 7 8 saw in 50? out 50? via- hole( ? 0.3) 1.27 1.27 1.3 0.8 4.3 4.3 0.8 [6x] [6x]
nsvs680 jan. 2014 notice 1. use this co mponent within operating tempera ture range. it might n ot be satisfied with electrical specificatio n without operating te mperature range. when it is used less tha n -20oc or more than +70oc, it mig ht be a cause of degradation or destruction of the component. even if it endures during a short time, it causes degradation of qualification. 2. when soldering iron is used, solder with the temperature at the tip of soldering iron: 350oc max., the time of soldering: 10 seconds max., the power of soldering iron: 30w max.. 3. notice that the allowed time of soldering with soldering iron is accumulated time, when soldering is repeated. 4. as rapid temperature c hange for cleaning af ter reflow soldering might be a cause of destruction clean this component after confirming that temperature of this component goes down to room temperature. 5. confirm that there are not any influence for qualification to this component in mounting on pcb when this component is cleaned. 6. as it might be a cause of degradation of destruction to apply static electricity to this component, do no t apply st atic electricity or excessive volt age while assembling and measuring. and do not transpo rt this component with bare hand. 7. as it might be a cau se of degrada tion or de struction to apply d.c. volt age between each terminal, apply d.c. voltage 7.5v max. in actual circuit. note 1. this specification specifies the quality of this component as a single un it. make sure that this component is evaluate d and confir med against this sp ecification when it is mounted to your products. 2. the information cont ained herein may be changed with out prior no tice. it is therefore advisable to contact japan radio company before proceeding with the design of equipment incorporating this product. 3. the products are designed to be used with ordinary electronic equipment (dat a and communications equipment, office equipment, audio-video equipment , measuring instruments, etc). jap an radio co mpany does not assu me any liability for the case u sing the pr oducts with the application requir ed high reliability or safety extremely (such as space equipment, sea-bottom equipment, medical equipment etc). when intending to use any our product please contact our sales representatives in advance.
0 20 40 60 80 100 s21 insertion loss [db] 0 2 4 6 8 10 ch1 : center 447 span 100 ch2 : center 447 span 100 insertion loss [db] frequency characteristics nsvs680 jan. 2014 s11 s22 s11 s22 1 1 3 3 5 5 7 7 9 9 11 11 397 397 497 497 frequency [mhz] frequency [mhz] vswr vswr insertionloss [db] 0 20 40 60 80 100 0.3 3000 s21 frequency [mhz]
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