NSTS1444 apr. 2013 application 924mhz 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 3.0x3.0x1.15[mm 3 ] for smd (surface mount device) type. notice: this part is electrostatic discharge sensitive and may be damaged by improper handling. test result item spec. typ. input and output impedance - 50 nominal center frequency (f0) - 924mhz insertion loss 3.0db max. 2.3db response variation 1.2db max. 0.3db input and output vswr 920-928mhz 2.3 max. 1.5 dc-880mhz 40db min. 50db 880-900mhz 28db min. 47db 950-960mhz 23db min. 32db 960-1700mhz 40db min. 50db 1700-2100mhz 35db min. 45db out of band rejection (relative to through level) 2400-2500mhz 25db min. 38db operating temperature range: -40~+85oc table 2. maximum ratings item rating maximum input power +20dbm maximum dc voltage 7.5v operating temperature range -40~+85oc storage temperature -40~+95oc newjrc saw filter NSTS1444 http://www.njr.co.jp/products/device/index.html (japanese) http://www.njr.com/products/device/index.html (english)
NSTS1444 apr. 2013 marking (1) lot number (a) year (b) month *oct.--- x nov.--- y dec.--- z (c) date *1-9--- 0 10-19--- 1 20-31--- 2 (2) part number mark pin no. connection 1 gnd 2 in 3 gnd 4 gnd 5 out 6 gnd fig.1 measuring circuit fig.2 package dimensions (in mm) fig.3 desirable land area (in mm) 0.93 0.6 0.93 3.8 3.8 2.2 1.15 1.15 in 50 out 50 (0.6) (0.25) (0.6) (0.53) (0.75) (0.45) 1 2 3 4 6 1. 150. 15 3. 0 0. 1 5 3. 0 0. 1 5 (a) (1) (b) (2) (1.80) 5 [2x] [4x] [4x] (c) 191 r a 1 2 34 5 6 saw
NSTS1444 apr. 2013 notice 1. use this component within operating temperature range. it might not be satisfied with electrical specification without operating temperature range. when it is used less than -30oc or more than +85oc, it might 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: 5 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 change for cleaning after 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 not apply static electricity or excessive voltage while assembling and measuring. and do not transport this component with bare hand. 7. as it might be a cause of degradation or destruction to apply d.c. voltage 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 unit. make sure that this component is evaluated and confirmed against this specification when it is mounted to your products. 2. the information contained herein may be changed without prior notice. it is therefore advisable to contact new 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 (data and communications equipment, office equipment, audio-video equipment, measuring instruments, etc). new japan radio company does not assume any liability for the case using the products with the application required 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.
new japan radio co.,ltd. 0 20 40 60 80 100 s21 insertion loss [db] 0 2 4 6 8 10 ch1 : center 924 span 200 ch2 : center 924 span 200 insertion loss [db] frequency characteristics NSTS1444 apr. 2013 s11 s22 s11 s22 1 1 3 3 5 5 7 7 9 9 11 11 824 824 1024 1024 frequency [mhz] frequency [mhz] vswr vswr insertionloss [db] 0 20 40 60 80 100 0 3000 s21 frequency [mhz]
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