Assignment Description

Part 1: Examine the op-amp active filter circuit The key Specifications:

1. Design any two types of op-amp active filter (Low pass, high pass and band pass) circuit using simulation software.
2. Use your own specification for filter design with appropriate justification.
3. Examine the results obtained from the designed circuit and discuss the findings with appropriate explanation.

Deliverables:

1. You are expected to design an op-amp active filter using simulation platform.
2. Explanation of the design.
3. Show all design steps in details and calculate all the required components value for the design.
4. Compare the theoretical calculation and the simulation results.
5. Observe all the waveform at both inputs and output points.

(50 marks)

Part 2: Design an Oscillator for Electronic Applications.

The key specification:

1. Different oscillation frequency for each group.
2. The oscillation frequency is targeted in between the range of 1 KHz to 10 KHz.
3. You can use any oscillators for your design.

Deliverables:

1. You are expected to design an oscillator using operational amplifier/BJT/FET with RC or LC feedback circuit for electronic applications.
2. Explanation the design.
3. Show all design steps in detail and calculate all the required components value for the design.
4. Compute the expected oscillation frequency from an equation.
5. Simulate the designed circuit using any simulation software.
6. Compare the theoretical calculation and the simulation results.
7. Observe the waveform at both inputs and output point and measure the peak to peak output voltage of the oscillator.
8. Submit a copy of well written Technical Report for assessment.

(50 marks)

–END OF ASSIGNMENT QUESTION PAPER–

2000 words +/- 10%. Any deviation from this will be penalized.

Please note the following when completing your written assignment:

1. Writing: Written in English in an appropriate business/academic style
2. Focus: Focus only on the tasks set in the assignment.
3. Length: 1000 words
4. Formatting: Typed on A4 paper in Times New Roman or Arial font 12 with at 1.5 spacing.
5. Ensure a clear title, course, and name or ID number is on a cover sheet and a bibliography using APA referencing throughout is also provided.
6. Research: Research should use reliable and relevant sources of information e.g. academic books and journals that have been peer reviewed. The research should be extensive.

Marking Rubric

Part 1: Examine the op-amp active filter circuit

Categories	Score	Weightage	Total Score (Weightage x Score)
	1	2	3	4
Part 1/4	Missing several	Written in rough	Written in good	Well-written
Design the	important design	order but	order, important	design procedures.
Op-amp active	procedures or not	readable, still	design procedure	Explanation
filter circuit	written in order.	missing some	are covered,	complete & well-
with schematic diagram and,	Very little explanation	important design procedure. Some	some minor details missing.	written; provides all necessary	3.75
explain the	provided or	explanation but	Explanation is	background
technical and	information is	still missing	nearly complete,	principles for the
theory.	incorrect.	some major	missing some	experiment.
		points.	minor points.
Part 2/4	Missing several	Written in rough	Written in good	Well-written
Design and	important design	order but	order, important	design procedures.
simulate the	procedures or not	readable, still	design procedure	Explanation
Op-amp active	written in order.	missing some	are covered,	complete and well-
filter circuit using an electronics	Very little explanation	important design procedure. Some	some minor details missing.	written; provides all necessary	5
design	provided or	explanation but	Explanation is	background
software. Explain	information is	still missing	nearly complete,	principles for the
the design and the	incorrect.	some major	missing some	experiment.
circuit operations.		points.	minor points.
Part 3/4	Figures, graphs,	Most figures,	All figures,	All figures, tables
Experimental	tables are poorly	tables OK, some	tables are	are correctly
observation and,	constructed,	still missing	correctly drawn,	drawn, numbered
results	missing titles,	some important	but some could	& contain titles.
interpretation and	numbers, units, etc.	Features. Some	still be improved.	All-important
discussion.	Very incomplete interpretation of	results have been correctly	Almost all of the results have been	trends & data comparisons have	2.5
	trend. Weak	interpreted,	correctly	been interpreted
	comparison of	incomplete	discussed, only	correctly and
	data indicating a	understanding of	minor	discussed, good
	lack understanding	results is still	improvements	understanding of
	of results.	evident.	are needed.	results conveyed.
Part 4/4 Appearance and formatting   Spelling, grammar and sentence structure   References	Sections out of order, sloppy formatting.   Frequent grammar or spelling errors, writing style is rough & immature.   No references provided.	Sections in order, format is rough but readable.   Occasional grammar/spelling errors, generally readable with some rough spots in writing style.   References provided are incomplete, confusing format.	All sections in order, format generally good, could still be improved.   Less than 30% grammar/spelling errors, mature, readable style.   References provided are in order, formatting generally good but could still be improved.	All sections in order, well formatted, very readable.   All grammar/ spelling correct & very well written.   References are in order and well formatted.	1.25
Total Marks	/50

Marking Rubric

Part 2: Design an Oscillator for Electronic Applications.

Categories	Score	Weightage	Total Score (Weightage x Score)
	1	2	3	4
Part 1/4	Missing several	Written in rough	Written in good	Well-written
Design the	important design	order but	order, important	design procedures.
oscillator circuit	procedures or not	readable, still	design procedure	Explanation
with schematic	written in order.	missing some	are covered,	complete & well-
diagram and, explain the	Very little explanation	important design procedure. Some	some minor details missing.	written; provides all necessary	3.75
technical and	provided or	explanation but	Explanation is	background
theory.	information is	still missing	nearly complete,	principles for the
	incorrect.	some major	missing some	experiment.
		points.	minor points.
Part 2/4	Missing several	Written in rough	Written in good	Well-written
Design and	important design	order but	order, important	design procedures.
simulate the	procedures or not	readable, still	design procedure	Explanation
oscillator using an	written in order.	missing some	are covered,	complete and well-
electronics design software. Explain	Very little explanation	important design procedure. Some	some minor details missing.	written; provides all necessary	5
the design and the	provided or	explanation but	Explanation is	background
circuit operations.	information is	still missing	nearly complete,	principles for the
	incorrect.	some major	missing some	experiment.
		points.	minor points.
Part 3/4	Figures, graphs,	Most figures,	All figures,	All figures, tables
Experimental	tables are poorly	tables OK, some	tables are	are correctly
observation and,	constructed,	still missing	correctly drawn,	drawn, numbered
results	missing titles,	some important	but some could	& contain titles.
interpretation and	numbers, units, etc.	Features. Some	still be improved.	All-important
discussion.	Very incomplete interpretation of	results have been correctly	Almost all of the results have been	trends & data comparisons have	2.5
	trend. Weak	interpreted,	correctly	been interpreted
	comparison of	incomplete	discussed, only	correctly and
	data indicating a	understanding of	minor	discussed, good
	lack understanding	results is still	improvements	understanding of
	of results.	evident.	are needed.	results conveyed.
Part 4/4 Appearance and formatting   Spelling, grammar and sentence structure     References	Sections out of order, sloppy formatting.   Frequent grammar or spelling errors, writing style is rough & immature.   No references provided.	Sections in order, format is rough but readable.   Occasional grammar/spelling errors, generally readable with some rough spots in writing style.   References provided are incomplete, confusing format.	All sections in order, format generally good, could still be improved.   Less than 30% grammar/spelling errors, mature, readable style.   References provided are in order, formatting generally good but could still be improved.	All sections in order, well formatted, very readable.   All grammar/ spelling correct & very well written.   References are in order and well formatted.	1.25
Total Marks	/50

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