http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 1 1. scope this specification is applied to the ce ramics discriminator used with the type jt10.7mg48 for fm receiver. please contact us before using any of the products in the app lications not described above. 2. part no.: part number customer part no specification no jt10.7mg48 3 outline drawing and dimensions: 3.1 appearance: no visible damage and dirt. 3.2 construction: leads are soldered on electrode and body is molded by resin. 3.3 dimensions: j10.7g color unit mm
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 2 4 rating and electrical specifications: 4.1 rating items content withstanding voltage (v) 50 (dc 1min) insulation resistance ri,(m )min. 100 temp. coefficient of frequency (ppm/ ) max 100 center frequency drift -20 80 operating temperature range ( ) -20 +80 storage temperature range ( ) -40 +85 4.2 electrical specifications items content center frequency fo (mhz) a 10.700mhz 30khz red recovered audio voltage (at fo) (mv) min 700 distortion (at fo) (%) max 1.0 recovered audio 3db bandwidth (khz) min 400khz 5 measurement: 5.1 measurement conditions: parts shall be measured under a condition ( temp. 2015 ,humidity 6520% r.h.) unless the standard condition(temp. 252 ,humidity 655% r.h.) is regulated to measure. 5.2 test circuit: 2.2 22 0.022 0.022 0.033 0.1 270 ? 1k 330p af in ta8132n(toshiba) vcc(3v) af out dc out vcc(3v) lt10.7m 1234567891011 14 24 23 22 21 20 19 18 17 16 15 12 13 x jt10.7mg48
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 3 5.2.1 input signal input level 112db v modulation frequency 1000hz frequency deviation 75khz 5.2.2 center frequency fo : center frequency is defined as the frequency at that d.c.output volt age shall correspond to 0.6v. 5.2.3 recovered audio voltage: it is defined as the recovered audio voltage at center frequency fo . 5.2.4 distortion: it is defined as the distortion at center frequency fo . 5.2.5 recovered audio 3db ba ndwidth: it is defined as the difference between the two frequencies wher e the recovered audio voltage 3db from the level of center frequency fo . 6 physical and environmental characteristics no item condition of test performance requirements 6.1 humidity subject the resonator at +40 2 and 90%~95% r.h. for 100h, resonator shall be measured after being placed in natural conditions for 1h. it shall fulfill the specifications in table 1. 6.2 high temperature exposure subject the resonator to +85 5 for 100h, resonator shall be measured after being placed in natural conditions for 1h. it shall fulfill the specifications in table 1. 6.3 low temperature exposure subject the resonator to?25 5 for 100h, resonator shall be measured after being placed in natural conditions for 1h. it shall fulfill the specifications in table 1. 6.4 temperature cycling subject the resonator to 25 for 30min. followed by a high temperature of +85 for 30min. cycling shall be repeated 5 times. resonator shall be measured after being placed in natural conditions for 1h. it shall fulfill the specifications in table 1. 6.5 vibration subject the resonator to vibration for 2h each in x y and z axis with the amplitude of 1.5mm, the frequency shall be varied uniformly between the limits of 10hz~55hz and then resonator shall be measured. it shall fulfill the specifications in table 1. 6.6 mechanical shock resonator shall be measured after 3 times' random dropping from the height of 100cm on concrete floor. no visible damage and it shall fulfill the specifications in table 1.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 4 table continue 6.7 resistance to soldering heat lead terminals are immersed up to 2mm from resonator?s body in soldering bath of +260 5 for 5s 1s and then resonator shall be measured after being placed in natural conditions for 1h. it shall fulfill the specifications in table 1. 6.8 solderability lead terminals are immersed up to 2mm from resonator?s body in soldering bath of +250 5 for 2s 0.5s. more than 95% of the terminal surface of the resonator shall be covered with fresh solder. 6.9 terminal strength force of 5n is applied to each lead in axial direction for 10s 1s. when force of 5n is applied to each lead in axial direction,the lead shall folded up 90 from the axial direction and folded back to the axial direction. the speed of folding shall be each 3s no any visible damage and it shall fulfill the specifications in table1. terminal pulling terminal bending table 1 item specification after test center frequency drift 30khz max recovered audio voltage drift 2db max note the limits in the above table are refe renced to the initial measurements.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 5 7 structual characteristic / h d g : l u h solder ceramic substrate 0 r o g 5 h v l q 2 y h u f r d w l q j component material lead wore solder plating copper wire mold resin epoxy resin solder high-melting solder (sn98-ag2) ceramic substrate lead titanate-zirconate over coating clear epoxy resin 8. package to protect the products in storage and transportation it is necessary to pack them outer and inner package .on paper pack, the following requirements are requested. 8.1 dimensions and mark at the end of package, the warning (moisture proof, upward put) should be stick to it. dimensions and mark (see below)
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 6 8.2 section of package package is made of corruga ted paper with thickness of 0.8cm.package has 2 inner boxes, each has 20 inner boxes (each box for plastic bag). 8.3 quantity of package per plastic bag 500 pieces per inner box 3 plastic bag per package 40 inner boxes 60000 pieces of piezoelectric ceramic part no. name quantity notes 1 inner box 40 2 box 2 3 package 1 4 adhesive tape 1.2m 5 label 1 6 belt 2.9m 7 certificate of approval 1
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 7 8.4 inner box dimensions 1 label 2 qc label 3 inner box pars shall be packaged in box with hold down tape upside. part no., quantity and lot no. 9 other 9.1 caution of use 9.1.1 do not use this product w ith bend. please don?t apply excess mechanical stress to the compone nt and terminals at soldering. 9.1.2 the component may be damage d when an excess stress will be applied. 9.1.3 this specification mentions th e quality of the component as a single unit. please insure the compone nt is thoroughly evaluated in your application circuit. 9.2 notice 9.2.1 please return one of this specification after your signature of acceptance. 9.2.2 when something gets doubtful w ith this specifications, we shall jointly work to get an agreement. unit: mm
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