1. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 1 변철민

2. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 2 변철민 Electro magnetic spectram 변조와 복조 Contents

3. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 3 변철민 1.Audio Frequency 20 ~ 20,000Hz ( 참고 : 초음파 20,000Hz 이상임 )

4. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 4 변철민 Radio Frequency 1. Low Frequency : 30kHz ~ 300kHz (10km) (1km) 2. Medium Frequency : 300kHz ~ 3MHz (1km) (100m) 3. High Frequency : 3MHz ~ 30MHz (100m) (10m) 4. Very High Frequency : 30MHz ~ 300MHz (10m) (1m) 5. Ultra High Frequency : 300MHz ~ 3GHz (1m) (0.1m)

5. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 5 변철민 Microwave(1GHz 이상 ) 1. Centimeter wave: 3GHz ~ 30GHz (10cm) (1cm) 2. Millimeter wave: 30GHz ~ 300GHz (10mm) (1mm) 3. Submillimeter wave: 300GHz ~ 3THz (1mm) (0.1mm)

6. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 6 변철민 Infrared( 적외선 )

7. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 7 변철민 Visible Light( 가시광선 )

8. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 8 변철민 Ultra violet( 자외선 ) 살균 가능 X - ray Gamma- ray

9. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 9 변철민 20 20000 0 20 20000 0 20 20000 0

10. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 10 변철민 x x carrier

11. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 11 변철민

12. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 12 변철민 Demodulation( 복조 ) amp x LPF

13. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 13 변철민 Demodulation( 복조 )

14. Dept. of Biomed. Eng.BME302: Medical InstrumentationKyung Hee Univ. 14 변철민