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? epcos ag 2009. reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without epcos prior express consent is prohibited. saw components saw if filter if filter for intercarrier applications series/type: ordering code: k 7291 m B39389-K7291-M100 date: version: february 19, 2009 2.0
2 february 19, 2009 k 7291 m 38.90 mhz please read cautions and warnings and important notes at the end of this document. saw components saw if filter data sheet application n standard: b/g, d/k, m/n n tv if filter switchable from b/g, d/k mode to m/n mode n b/g, d/k mode with nyquist slope and broad sound shelf for sound carriers at 32.40 mhz and 33.40 mhz n reduced group delay predistortion as compared to standard b/g half n m/n mode with nyquist slope and sound shelf at 34.40 mhz n constant group delay features n plastic package sip5k n approximate weight 1.0 g n rohs compatible n tinned cufe alloy terminals pin configuration n 1 input n 2 switching input n 3 chip carrier - ground n 4 output n 5 output 1 2 3 5 4
3 february 19, 2009 k 7291 m 38.90 mhz saw components saw if filter data sheet please read cautions and warnings and important notes at the end of this document. characteristics in b/g, d/k mode (switching pin 2 connected to ground) reference temperature: t a = 25 ?c terminating source impedance: z s = 50 w terminating load impedance: z l = 2 k w || 3 pf min. typ. @ 25 ?c max. insertion attenuation a reference level for 37.40 mhz 15.6 17.1 18.6 db the following data relative attenuation a rel picture carrier 38.90 mhz 4.7 5.7 6.7 db color carrier 34.47 mhz C0.1 0.9 1.9 db sound carrier 32.40 mhz 17.7 19.2 20.7 db 33.40 mhz 15.6 17.1 db adj. picture carrier 30.90 mhz 46.0 60.0 db 31.90 mhz 40.0 56.0 db adj. sound carrier 40.40 mhz 40.0 52.0 db 41.40 mhz 40.0 50.0 db lower sidelobe 25.00 ... 30.90 mhz 38.0 44.0 db upper sidelobe 40.40 ... 45.00 mhz 37.0 43.0 db reflected wave signal suppression 1.2 m s ... 6.0 m s after main pulse 42.0 49.0 db (test pulse 250 ns, carrier frequency 36.50 mhz) feedthrough signal suppression 1.2 m s ... 1.1 m s before main pulse 56.0 db (test pulse 250 ns, carrier frequency 37.40 mhz) group delay predistortion dt (reference frequency 38.90 mhz) 36.80 mhz C40 ns 34.47 mhz 50 ns impedance at 37.40 mhz input: z in =r in || c in 1.6 || 13.6 k w || pf output: z out =r out || c out 3.2 || 3.2 k w || pf temperature coefficient of frequency tc f C72 ppm/k
4 february 19, 2009 k 7291 m 38.90 mhz please read cautions and warnings and important notes at the end of this document. saw components saw if filter data sheet characteristics in m/n mode (switching pin 2 connected to pin 1) reference temperature: t a = 25 ?c terminating source impedance: z s = 50 w terminating load impedance: z l = 2 k w || 3 pf min. typ. @ 25 ?c max. insertion attenuation a reference level for 37.40 mhz 14.4 15.9 17.4 db the following data relative attenuation a rel picture carrier 38.90 mhz 4.8 5.8 6.8 db color carrier 35.32 mhz 0.8 1.8 2.8 db sound carrier 34.40 mhz 17.0 18.5 20.0 db adj. picture carrier 32.90 mhz 40.0 49.0 db adj. sound carrier 40.40 mhz 40.0 51.0 db lower sidelobe 25.00 ... 32.90 mhz 38.0 44.0 db upper sidelobe 40.40 ... 45.00 mhz 33.0 39.0 db reflected wave signal suppression 1.3 m s ... 6.0 m s after main pulse 42.0 50.0 db (test pulse 250 ns, carrier frequency 37.40 mhz) feedthrough signal suppression 1.2 m s ... 1.1 m s before main pulse 50.0 db (test pulse 250 ns, carrier frequency 37.40 mhz) group delay ripple (p-p) dt 50 ns impedance at 37.40 mhz input: z in =r in || c in 1.3 || 19.6 k w || pf output: z out =r out || c out 3.2 || 3.2 k w || pf temperature coefficient of frequency tc f C72 ppm/k
5 february 19, 2009 k 7291 m 38.90 mhz saw components saw if filter data sheet please read cautions and warnings and important notes at the end of this document. maximum ratings operable temperature range t C25 / +65 ?c storage temperature range t stg C40 / +85 ?c dc voltage v dc 5 v between any terminals ac voltage v pp 10 v between any terminals
6 february 19, 2009 k 7291 m 38.90 mhz please read cautions and warnings and important notes at the end of this document. saw components saw if filter data sheet frequency response in b/g, d/k mode
7 february 19, 2009 k 7291 m 38.90 mhz saw components saw if filter data sheet please read cautions and warnings and important notes at the end of this document. frequency response b/g, d/k mode time domain response b/g, d/k mode
8 february 19, 2009 k 7291 m 38.90 mhz please read cautions and warnings and important notes at the end of this document. saw components saw if filter data sheet frequency response in m/n mode
9 february 19, 2009 k 7291 m 38.90 mhz saw components saw if filter data sheet please read cautions and warnings and important notes at the end of this document. frequency response m/n mode time domain response m/n mode
10 february 19, 2009 k 7291 m 38.90 mhz please read cautions and warnings and important notes at the end of this document. saw components saw if filter data sheet references type k 7291 m ordering code B39389-K7291-M100 marking and package c61157-a1-a15 packaging f61074-v8067-z000 date codes l_1126 s-parameters soldering profile s_6001 rohs compatible defined as compatible with the following documents: "directive 2002/95/ec of the european parliament and of the council of 27 january 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. 2005/618/ec from april 18th, 2005, amending directive 2002/95/ec of the european parliament and of the council for the purposes of establishing the maxi- mum concentration values for certain hazardous substances in electrical and electronic equipment." for further information please contact your local epcos sales office or visit our webpage at w ww.epcos.com . published by epcos ag surface acoustic wave components division p.o. box 80 17 09, 81617 munich, germany ? epcos ag 2009. this brochure replaces the previous edition. for questions on technology, prices and delivery please contact the sales offices of epcos ag or t he international representatives. due to technical requirements components may contain dangerous substances. for information on t he type in question please also contact one of our sales offices.
11 february 19, 2009 important notes t he following applies to all products named in this publication: 1. some parts of this publication contain statements about the suitability of our products for certain areas of application . these statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always ultimately incum- bent on the customer to check and decide whether an epcos product with the properties described in the product speci?cation is suitable for use in a particular customer application. 2. we also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as speci?ed. in customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. the warnings, cautions and product-speci?c notes must be observed. 4. in order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous) . useful information on this will be found in our material data sheets on the internet (www.epcos.com/material). should you have any more detailed questions, please contact our sales of?ces. 5. we constantly strive to improve our products. consequently, the products described in this publication may change from time to time . the same is true of the corresponding product speci?cations. please check therefore to what extent product descriptions and speci?cations contained in this publication are still applicable before or when you place an order. we also reserve the right to discontinue production and delivery of products . conse- quently, we cannot guarantee that all products named in this publication will always be avail- able. the aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-speci?c products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current ver- sion of the general terms of delivery for products and services in the electrical industry published by the german electrical and electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, ceradiode, cssp, ctvs, dssp, miniblue, mkk, mlsc, motorcap, pcc, phasecap, phasemod, siferrit, sifi, sikorel, silvercap, sim- dad, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trademarks reg- istered or pending in europe and in other countries. further information will be found on the internet at www.epcos.com/trademarks.

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