http://www.luguang.cn Email: [email protected] 1. SCOPE This specification is applied to the ceramics discriminator used with the type JT10.7MG18 for FM receiver. Please contact us before using any of the products in the applications not described above. 2. PART NO.: PART NUMBER CUSTOMER PART NO SPECIFICATION NO JT10.7MG18 3. OUTLINE DRAWING AND DIMENSIONS: Appearance: No visible damage and dirt. Construction: Leads are soldered on electrode and body is molded by resin. Dimensions: COLOR J10.7G UNIT：mm SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 1 http://www.luguang.cn Email: [email protected] 4. ELECTRICAL SPECIFICATIONS: No Item 4.1 Center Frequency 4.2 4.3 4.4 4.5 Requirements fo (MHz) A：10.700±0.030 (RED) Recovered Audio Voltage (at fo) (mV) Distortion (at fo) 60 min (%) max 0.9 Recovered Audio 3dB Bandwidth (kHz) 300 min Temp. Coefficient of Frequency ±100 （Center Frequency drift， (ppm/℃) max -10℃～+70℃） 4.6 Insulation Resistance Ri,(MΩ)min 4.7 Withstanding Voltage 100 (100V，1min) 50VDC, 1min 5. MEASUREMENT: Measurement Conditions: Parts shall be measured under a condition ( Temp. ： 20±15 ℃ ,Humidity ： 65±20% R.H.) unless the standard condition(Temp. ： 25±2 ℃ ,Humidity ： 65±5% R.H.) is regulated to measure. Test Circuit: SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 2 http://www.luguang.cn Email: [email protected] Input Signal： Input Level： 80dBμV Modulation Frequency：1000Hz Frequency Deviation： ±22.5kHz Center Frequency（fo）: Center frequency is measured under the condition that modulated and 80dBμV input signal （center） is supplied and varied its frequency. It is defined as the frequency at that D.C.output voltage shall correspond to that for 0dBμV input signal. Recovered Audio Voltage: It is defined as the recovered audio voltage at center frequency（fo）. Distortion: It is defined as the distortion at center frequency （fo）. Recovered Audio 3dB Bandwidth: It is defined as the difference between the two frequencies where the recovered audio voltage 3dB from the level of center frequency（fo）. 6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS No 6.1 6.2 Item Condition of Test Subject the discriminator at +40±2 ℃ and 90%-95% R.H. for 100 hours, discriminator shall be measured after being placed in natural conditions for 1 hour. High Subject the discriminator to +85±5℃ for 100 Temperature hours, discriminator shall be measured after Exposure being placed in natural conditions for 1 hour. Humidity 6.3 Low Subject the discriminator to –25±5℃ for 100 Temperature hours, discriminator shall be measured after Exposure being placed in natural conditions for 1 hour. 6.4 Temperature Subject the discriminator to －25℃ for 30 Cycling min. followed by a high temperature of ＋ 85℃ for 30 min. Cycling shall be repeated 5 times. Discriminator shall be measured after being placed in natural conditions for 1 hour. Performance Requirements It shall fulfill the specifications in Table 1. It shall fulfill the specifications in Table 1. It shall fulfill the specifications in Table 1. It shall fulfill the specifications in Table 1. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 3 http://www.luguang.cn Email: [email protected] 6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS (Continued from the preceding page) Performance Requirements 6.5 Vibration Subject the discriminator to vibration for 2 It shall fulfill the hours each in x y and z axis with the specifications in amplitude of 1.5mm, the frequency shall be Table 1. varied uniformly between the limits of 10Hz-55Hz and then discriminator shall be measured. 6.6 Mechanical Discriminator shall be measured after 3 times' No visible Shock random dropping from the height of 100cm damage and it on concrete floor. shall fulfill the specifications in Table 1. 6.7 Resistance Lead terminals are immersed up to 2 mm It shall fulfill the to Soldering from discriminator’s body in soldering bath of specifications in Heat 260 ± 5 ℃ for 5 ± 1 seconds and then Table 1. discriminator shall be measured after being placed in natural conditions for 1 hour 6.8 Solderability Lead terminals are immersed up to 2mm from More than 95% discriminator’s body in soldering bath of 250 of the terminal ±5℃ for 2±0.5 sec. surface of the discriminator shall be covered with fresh solder. 6.9 Terminal Force of 5N is applied to each lead in axial No visible Strength direction for 10±1 sec. damage and it 6.9.1 Terminal When force of 5N is applied to each lead in shall fulfill the Pulling axial direction, the lead shall folded up 90° specifications in 6.9.2 Terminal from the axial direction and folded back to the Table 1. Bending axial direction. The speed of folding shall be each 3 seconds. Table 1 Item Specification after test Center Frequency drift ±30kHz max No Item Condition of Test Recovered Audio Voltage drift ±2dB max Note ：The limits in the above table are referenced to the initial measurements. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 4 7. http://www.luguang.cn .REVIEW OF SPECIFICATIONS Email: [email protected] When something gets doubtful with this specifications, we shall jointly work to get an agreement. 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. a) Dimensions and Mark At the end of package, the warning (moisture proof, upward put) should be stick to it. Dimensions and Mark (see below) NO. Name Quantity 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 Notes SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 5 http://www.luguang.cn b) Section of package Email: [email protected] Package is made of corrugated paper with thickness of 0.8cm.Package has 2 inner boxes, each has 20 inner boxes (each box for plastic bag). c) Quantity of package Per plastic bag 500 pieces Per inner box 3 plastic bag 40 inner boxes （ 60000 pieces of Per package piezoelectric ceramic part ） d) Inner box Dimensions 1 Label 2 QC Label 3 Inner Box 1.UNIT: mm Pars shall be packaged in box with hold down tape upside. Part No., quantity and lot No. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 6