| Recommended semester: 4th -7th semester |
| Scope and form: Lecture, group work, experimental work |
| Evaluation: Approval of exercises and reports
|
| Examination: Pass/fail |
| Prerequisites: 10015 / 10013 / 48000 |
| Participant limitation: Max. 24 |
| Aim: The participants will learn the principles of simple electronic circuits and the use of modern electronic instruments, and will be introduced to practical physical measurements in the laboratory. The course is designed to students who are just finishing the Applied Physics four semester programme. |
Contents: Mornings: Lectures and discussion. Topics: DC and AC measurements. 4 probe measurement. A / D-converters. Noise: Random and external. Null and earth points. Cables. Shielding. Noise reduction: Filtering, lock-in detection, bridges, etc. Demands from object. High frequency techniques. Data acquistition and control. LabView. Estimates of uncertainty.
Afternoons: Lab work. First 6 introductory excersises. Topics: Operational amplifiers. Filters. Feedback: Oscillators. Capacitance and inductance bridges with lock-in detection. Light power measured by modulation and lock-in detection. Resistance mesurement with digital multimeter and oscilloscope. Finally, 1 mini project. Topics: Operational amplifier. Noise characterisation with oscilloscope and spectrum analyser. PC (LabView) system with multiplexer. PC-controlled temperature measurement and -stabilisation. Microwave power, reflection, matching. Microwave diffraction in lattice. Boltzmann's constant from noise measurements. |
| Contact: Claus Schelde Jacobsen, building 309, (+45) 4525 3340, csj@fysik.dtu.dk |
| Department: 010 Department of Physics |
| Course URL: http://info.fysik.dtu.dk/~csj/10467 |
| Keywords: Measurement, Instrumentation, Control, Electronics, Noise |
| Updated: 26-04-2001 |
