TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 1 of 7 This is special specification which differs from our standard specification for customer. 1. ELECTRICAL CHARACTERISTICS ITEM DESCRIPTION 晶体 有脚晶体和贴片晶体可共用 2. THE OTHERS ITEM DESCRIPTION DESIGN CHECK APPROVAL DATE: REV. B Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 2 of 7 1. APPLICATION This specification cover the tuner to be used for FM broadcast reception 2. APPENDENT DOCUMENTS 2-1.Reflow Profile figure 1 2-3.Dimensions and terminal connection figure 2 3. RECEIVING METHOD Fm section is designed super heterodyne receiving circuit with RF. Amp(As shown in the attached drawings) 4. ELECTRICAL SPECIFICATION&CHARACTERISTICS 4-1.Electrical specification NO. SPECIFICATION ITEMS FM 4-1-1. Usable IC PHILIPS 4-1-2. Local OSC Below the receiving frequency 4-1-3. Frequency cover range 76.0~108.0MHz 4-1-4. Intermediate frequency 225KHz TEA5767HN 4-1-5. Standard supply voltage 2.5~5.0V(Typ:3.0V) 4-1-6. Operating supply current 8.0~14.6mA(Typ:11.0mA) 4-1-7. Stand by current bus enable line HIGH 88uA max(Typ:60uA) bus enable line LOW 34uA max(Typ:23uA) 4-1-8. Operating temperature -10℃ ~ +60℃ 4-1-9. Storage temperature -20℃ ~ +80℃ 4-1-10. Bus Interface IIC/3-Wire Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 3 of 7 4-2.Electrical characteristic(FM) 4-2-1.FM DUMMY RG RG:75Ω SSG 4-4-2.STANDARD TEST CONDITION The standard test condition shall be 20±2℃and 65±5% R.H, test can be carried out in the temperature of 5℃~35℃, 45%~85% R.H unless the condition effect upon the test result. 4-4-3.STANDARD INPUT SIGNAL BAND FM Test frequency 98.1MHz Input signal voltage 60dBu(1uV=0dBu) Modulation frequency 1KHz Modulation 22.5KHz Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 4 of 7 4-3.ELECTRICAL CHARACTERISTICS(FM) NO TEST ITEMS TEST CONDITION T.P. T.L. MOD. MHz ___ 1 FREQUENCY RANGE 频率范围 IF FREQUENCY 2 中频频率 dBu kHz ___ ___ MIN ___ LOW HIGH ___ UNIT SPEC ___ ___ ___ ___ ___ ___ ___ ___ TYP MAX ___ 76 ___ 108 ___ 225 MHz MHz KHz 90.1 3 USABLE SENS. 使用灵敏度 at S/N=30dB ___ 22.5 ___ 8 15 dBu ___ 22.5 ___ 3 5 dB 22.5 70 80 98.1 106.1 90.1 4 GAIN BALANCE 增益平衡 at USABLE SENS. 98.1 106.1 IF REJECTION 5 中频抑制 IMAGE REJECTION 6 镜像抑制 S/N RATIO 7 信噪比 AM SUPPRESSION 8 调幅抑制 DISTORTION 失真 9 OVERLOAD DISTORTION ___ at USABLE SENS. AUTO STOP LEVEL 12 自动收台电平 ___ ___ at USABLE SENS 106.1 dB ___ 22.5 25 30 dB ___ 98.1 60 75 50 55 at AM 30% 1KHz 98.1 60 75 35 ___ 40 MONO 98.1 60 22.5 dB ___ dB 0.5 1.0 % 1.0 1.5 ___ % ___ 98.1 120 75 1KHz PILOT 10% 98.1 60 75 47kΩ LOAD MONO 98.1 60 22.5 过负载失真 STEREO SEPARATION 10 立体声分离度 AF OUTPUT LEVEL 11 音频输出电平 90.1 25 30 dB 60 80 90 mV 10 20 30 dBu 90.1 ___ 22.5 98.1 106.1 Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 5 of 7 5. SPECIAL ENVIRONMENT TEST (FM) 5-1. VIBRATION TEST At condition,amplitude and oscillation shall be 2mm and 1,000 C.P.M. respectively. There shall be no looseness after each2 hours of top-bottom back-forth and right-left vibrations. 5-2. DROP TEST After the packed tuner at 50 cm height is dropped 6 tims from each side,gain variation shall be less then 2dB and frequency drift shall be less than 200 kHz 5-3. TEMPERATURE TEST After the tuner shall be exposed for each 120 minutes in a test Chamber of temperature cycle at 20℃,50℃,0℃,20℃and then the tuner shall be operated satisfactorily electrical performance. 5-4. HUMIDITY TEST After 5 hours exposure in a test chamber at 50℃±5℃ or 0℃±5℃and 90±5%R.H.,then exposed for 4h in a room temperature, there shall be no deterioration in electrical performance. 5-5. TEMPERATURE SHOCK TEST After 12 hours exposure in a test chamber at 60℃±2℃ or -10℃±2℃ and them exposed in a room temperature for more than 4h,the tuner shall be operate satisfactorily. Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER PAGE 6 of 7 6.REFLOW PROFILE 6-1. GRAPH Temp(℃) 250 200 150 100 50 0 0 50 100 150 200 250 300 Time(S) Figure 1 6-2.SPECIFICATION SUBJECT REQUIREMENTS ACTUAL VALUE 3℃/Sec max 1.3℃/Sec max Preheat temperature 160±10℃ 70±15sec 60sec Temperature maintained about 200℃ 40~50sec 50sec 220~240℃ 220℃ SUBJECT Ramp rate Normal to 180℃ Peak temperature range Scotor International Company Limited TYPE PRODUCTS SCT-102BC FM STEREO TUNER DESIGN CHECK PAGE 7 of 7 APPROVAL DATE: REV. B Scotor International Company Limited