http://www.luguang.cn Email: [email protected] 1. SCOPE This specification is applied to the ceramics discriminator used with the type JT10.7MG3 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 JT10.7MG3 3. OUTLINE DRAWING AND DIMENSIONS: Appearance: No visible damage and dirt. Construction: Leads are soldered on electrode and body is molded by resin. Dimensions: 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) 650 min Distortion (at fo) (%) max 1.0 Recovered Audio 3dB Bandwidth (kHz) ±150 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: 280Ω 10P 8 TA7303P 10μ OUT 3 0.01μ 5 0.01μ 2 0.01μ 6 7 330Ω IN 3.9K 9 1 5K 0.01μ 12μH 0.01μ VCC(12V) Input Signal: Input Level：100dBμV Modulation Frequency：1000Hz Frequency Deviation：±75kHz SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 2 http://www.luguang.cn Email: [email protected] 5.2.2 Center Frequency（fo）: Center frequency is measured under the condition that modulated and 100dBμV 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. 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 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 No 6.1 6.2 6.3 6.4 6.5 PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS Item Condition of Test Subject the discriminator at +40±2℃ and 90%-95% R.H. for 100 hours, discriminator Humidity shall be measured after being placed in natural conditions for 1 hour. Subject the discriminator to +85±5℃ for High 100 hours, discriminator shall be measured Temperature after being placed in natural conditions for 1 Exposure hour. Subject the discriminator to –25±5℃ for Low 100 hours, discriminator shall be measured Temperature after being placed in natural conditions for 1 Exposure hour. Subject the discriminator to －25℃ for 30 min. followed by a high temperature of ＋ Temperature 85℃ for 30 min. Cycling shall be repeated 5 Cycling times. Discriminator shall be measured after being placed in natural conditions for 1 hour. Subject the discriminator to vibration for 2 hours each in x y and z axis with the amplitude of 1.5mm, the frequency shall be Vibration varied uniformly between the limits of 10Hz-55Hz and then discriminator shall be measured. 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. It shall fulfill the specifications in Table 1. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 3 http://www.luguang.cn Email: [email protected] Table Continue No visible Discriminator shall be measured after 3 times' damage and it Mechanical 6.6 random dropping from the height of 100cm shall fulfill the Shock on concrete floor. specifications in Table 1. Lead terminals are immersed up to 2 mm Resistance from discriminator’s body in soldering bath of It shall fulfill the 6.7 to Soldering 260 ± 5 ℃ for 5 ± 1 seconds and then specifications in Heat discriminator shall be measured after being Table 1. placed in natural conditions for 1 hour More than 95% of the terminal Lead terminals are immersed up to 2mm from surface of the 6.8 Solderability discriminator’s body in soldering bath of 250 discriminator ±5℃ for 2±0.5 sec. shall be covered with fresh solder. 6.9 Terminal Strength 6.9.1 Terminal Force of 5N is applied to each lead in axial No visible Pulling direction for 10±1 sec. damage and it 6.9.2 Terminal When force of 5N is applied to each lead in shall fulfill the Bending axial direction, the lead shall folded up 90° specifications in from the axial direction and folded back to the Table 1. axial direction. The speed of folding shall be each 3 seconds. Table 1 Item Center Frequency drift Recovered Audio Voltage drift Specification after test ±30kHz ±2dB max max Note ：The limits in the above table are referenced to the initial measurements. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 4 http://www.luguang.cn Email: [email protected] 7 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. 7.1Dimensions and Mark At the end of package, the warning (moisture proof, upward put) should be stick to it. Dimensions and Mark (see below) NO. 1 2 3 4 5 6 7 Name Inner Box Box Package Adhesive tape Label Belt Certificate of approval Quantity 40 2 1 1.2m 1 2.9m 1 Notes SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 5 http://www.luguang.cn 7.2 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). 7.3 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 ） 7.4 Inner box Dimensions UNIT: mm 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. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 6 http://www.luguang.cn Email: [email protected] 8 OTHER 8.1 Caution of use 8.1.1 Do not use this product with bend. Please don’t apply excess mechanical stress to the component and terminals at soldering. 8.1.2 The component may be damaged when an excess stress will be applied. 8.1.3 Conformal coating of the component is acceptable, However the resin materials ,curing temperature and other process conditions should be evaluated to conform stable electrical characteristics are maintained. 8.2 Notice 8.2.1 This specification mentions the quality of the component as a single unit. Please insure the component is thoroughly evaluated in your application circuit. 8.2.2 Please return one of this specification after your signature of acceptance. 8.2.3 When something gets doubtful with this specifications, we shall jointly work to get an agreement. SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD. 7