Panasonic SAW Filters for Paging System SAW Filters for Paging System EFCHVLIOIOOOs1/N1 EFCHMCICICILICs2/N1 EFCHCILILIMWNS2/A2 EFCH281MWNS2/A2 SAW Filter for Paging System is designed to meet the size reduction of pager. The SAW Filter has low insertion loss at pass-band with large attenuation of stop band, and accomplishes simplification and nonadjustment of circuit. li Features Mi Recommended Applications @ Low insertion loss (6 dB max. at pass band) @ Pager @ Excellent selectivity (Image suppression 50dB_ min.) @ Small in size @ Contributes simplification and nonadjustment of circuit Are MOOOOOUUG fe ele Coca Design No. | Product Code es Frequency Band Nominal Frequency Package [erc | Filters | SAW V_[150 MHz Band 58100 | 158.100 MHz Round can M [280 MHz Band 81987 | 281.9875 MHz 5 Square can N | SMD 1 2 3 4 5 6 7 fe) [F] [fe] (a) [2] [e] (+) [m) fw] y] [] [I To Losin [Product Code _| | Type | Nominal Frequency Application Package [erc [Filters | [HH] saw | 281M] 281 MHz Paging System s | Can Type 155M|_155 MHz WN_ | (double super A | SMD (Examples) heterodyne) Design and Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety issues arises from this product, please inform us immediately for technical consultation. Panasonic SAW Filters for Paging System lf Ratings and Characteristics Item . Nominal corer Pass Band Insertion Loss Image Suppression Part No. requency (fo) : 6 dB max. 65 dB min. EFCHVLJLILIUIUS1/N1 138 MHz to 174 MHz 20 kHz min. (#10 KHZ) (+910 kHz) : 6 dB max. 50 dB min. EFCHM_JUIUULS2/N1 278 MHz to 284 MHz 20 kHz min. (#10 KHZ) (5-910 kHz) : 4.5 dB max. 50 dB min. EFCH281MWNS2/A2 281 MHz 6 MHz min. (#3 MHZ) (f-43.4 MHz) 139,147,155. . 6.5 dB max. 50 dB min. aaa 8 MHz min. EFCHLILILIMWNS2/A2 163,171 MHz (fo+4 MHz) (fo-43.4 MHz) : 6 dB min. 40 dB min. EFCHLJLILIMWNS1/A1 410 MHz to 468 MHz 10 MHz min. (#5 MHz) (fy-43.4 MHz) : 3.5 dB min. 35 dB min. EFCH930MWMNP'1 930.5 MHz 4 MHz min. (#2 MHz) (fy-45 MHz) : 4.5 dB min. 50 dB min. EFCH325MWNS1 325.3 MHz 6.6 MHz min. (fg#3.3 MHz) (fp-43.4 MHz) @ Operating Temperature Range: -10 to 50 C Hi Dimensions in mm (not to scale) EFCHV_IDILLOLN1 EFCH930MWNP1 EFCHM_JLIVILILIN1 3,840.3 9.120.3 | 2.5420.10 2.5420.10 6 5 4 inna eee 76 3 | Terminal 8 42 |eq (1) Input / Output 9 ] S19 (2) Ground a 9 BIE (3) Ground aN (4) Ground (5) Ground Terminal 10 1 2 (6) Output / Input 1 2 8 6 (GND x (7) Ground a 3 (2) Input or Output (8) Ground 2 q n {3} GND (9) Ground a (4) GND nN (10) Ground - 03 & put or Output EFCHLLILIMWNAL J EFCHVJDULUS1 9 EFCHOLILIMWNSL) EFCHM_JLIULILS2 4.8 765 3 fNS oO gg 4 a 4-9 4.50.1 v Terminal 12 3 4 123 (1) GND (2) Input or Output CHEE | (3) GND Terminal ; (4) GND (1) Input 8 (5) GND (2) Ground Nn 8 Gat or Output (3) Ground 7 (8) GND 3925202} +}4} (4) Output Design and Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety issues arises from this product, please inform us immediately for technical consultation. Panasonic SAW Filters for Paging System Mi Test Circuits Diagram EFCHVLIOIONUUS1 EFCHM_JULDLULS2 EFCH_LLILIMWNSL J SAW Filter R 123 4 R Part No. RQ) EFCHVLILILIOLS1 | 560 EFCHMCILIULOs2] 300 EFGH281MWNS2 100 - EFGH155MWNS2 220 Ci =sCz See DET. EFCH325MWNS1 50 Cy, C,# 10 pF EFCHVILDLVLLN1 EFCHM_ULLILIN SAW Filter 3) 4 R 2 5 a 1 6 Part No. RQ) 109] 8| 7 EFCHVOOOOUN1 | 560 EFCHMCILILILILIN1| 300 C,, Cos 10 pF o Ace DET. EFCHS30MWMNP 1 i Typical Characteristics Frequency vs. Attenuation EFCH325MWNS1 EFCH468MWNS1 oO QO 20 o ao 2 40 ZB 40 c Cc 2 8 a a 2 a @ 60 s 60 z z 80 80 275 325 375 368 468 568 Frequency (MHz) Frequency (MHz) Design and Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety issues arises from this product, please inform us immediately for technical consultation. Panasonic i Typical Characteristics Frequency vs. Attenuation EFCH930MWMP1 0 Attenuation (dB) 80 Ff 830.5 930.5 Frequency (MHz) EFCHVIJUUULS81/N1 0 1030.5 Attenuation (dB) Frequency (MHz) Frequency vs. Attenuation EFCH281MWNS2/A2 0 Attenuation (dB) \ 231 281 Frequency (MHz) 331 Attenuation (dB) SAW Filters for Paging System EFCHMLJLUIULS1/N1 80> 297.5 281 Frequency (MHz) EFCH155MWNS2/A2 Attenuation (dB) 282.5 105 155 Frequency (MHz) 205 Design and Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use. Whenever a doubt about safety issues arises from this product, please inform us immediately for technical consultation.