연세대 전기전자 기초실험 09년도 A+ 레포트 예비 12
- 최초 등록일
- 2009.12.17
- 최종 저작일
- 2009.05
- 7페이지/
한컴오피스
- 가격 1,000원
소개글
연세대학교 전기전자 기초실험 09년도 A+ 레포트
목차
① Search on the below factors, as they are needed for the project
② Think about problems that cause the errors in digital clock and find ways to solve them.
본문내용
① Search on the below factors, as they are needed for the project
- 1 MHz crystal oscillator in the training kit
A crystal oscillator is an electronic circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency. This frequency is commonly used to keep track of time (as in quartz wristwatches), to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers. The most common type of piezoelectric resonator used is the quartz crystal, so oscillator circuits designed around them were called "crystal oscillators".
equivalent circuit of
crystal resonator (수정편)
equivalent circuit of
pierce oscillator
- The input/output characteristics of 7-segment display
The 7 segment display is used as a numerical indicator on many types of test equipment. It is an assembly of light emitting diodes which can be powered individually. They most commonly emit red light. They are arranged and labelled as shown in the diagram.
Composition of 7segment with 8 LED
Powering all the segments will display the number 8. Powering a,b,c d and g will display the number 3. Numbers 0 to 9 can be displayed
참고 자료
1. http://www.wikipedia.org
2. http://electronics.howstuffworks.com/gadgets/clocks-watches/digital-clock.htm
3. http://hibp.ecse.rpi.edu/~connor/education/IEE/lectures/Lecture_7_digital_display.pdf
4. ELECTRICAL AND ELECTRONIC ENGINEERING EXPERIMENTS : FUNDAMENTALS
