6041EE FM Radio Transmitter Design Coursework: What Markers Want And How To Approach It

You have roughly 20 hours, ten marked sections and a hand-out that tells you what to calculate but not how markers read your working. That gap catches most students on the 6041EE FM radio transmitter design coursework, the Part 2 task in Coventry University’s Advanced Electronics module taught at PSB Academy Singapore. It is worth 50% of the module, so a sloppy unit or a missing assumption is expensive.

Quick answer: markers reward complete, traceable working. Show every equation, substitute your assigned values, give units on every result to at least two decimal places, justify each assumption, and finish with a link budget that states whether the received signal meets your receiver sensitivity and what you would change if it does not.

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What the 6041EE FM radio transmitter design coursework asks for

The task describes a transmitter that up-converts audio to the FM band for broadcast over tens of kilometres. The chain is a mixer and local oscillator, two bandpass filters, two matching networks, a quarter-wave transformer and an antenna. Each student receives personal data: channel frequency, distance, extra loss or gain, transistor S-parameters, antenna gains, receiver sensitivity and transmit power.

Two features make it harder than a normal calculation sheet. First, every section depends on the one before: a wrong amplifier gain contaminates the power budget. Second, the brief wants real-world judgement, including component choice, PCB parasitics and fading, not only algebra.

Step-by-step method that scores

Work in the same order as the marks, because later numbers feed on earlier ones.

1. Write a one-paragraph system explanation naming each block and why it exists, including which mixer products the filters must reject.
2. Design the bandpass filter: choose the response type and order, state the bandwidth, compute component values from prototype tables [2], and quote the rejection at the local-oscillator frequency.
3. Check transistor stability with the Rollett factor K and the determinant before matching anything. If K is below 1, say so and stabilise the device.
4. Compute the source and load reflection coefficients for a simultaneous conjugate match, then convert them to impedances and normalise by 50 Ω.
5. Build the input and output matching networks on the Smith chart, showing each constant-conductance or constant-resistance move and the resulting L and C values.
6. Pick the amplifier class and bias, and state gain from S21 and the maximum available gain.
7. Design the quarter-wave transformer using Z0T = √(Z1 Z2) and convert to a physical length with the velocity factor.
8. Build the power budget in dBm from mixer output to antenna, then compute free-space path loss and received power.
9. Compare received power with sensitivity, add a fade margin and recommend a fix if short.
10. Assemble the final circuit with a table of every component value.

Our 6041EE FM radio transmission design model answer works through this sequence with an illustrative data set, so you can compare the layout of your own working. It is a reference, and it must not be submitted as your own work.

Mark allocation and what markers look for

The ten criteria add up to 100%. Spend your hours in proportion, and notice that three design sections carry 15% each.

The three 15% sections are where the cohort separates. The Smith-chart marks are earned by showing the path, not only the final inductor and capacitor.

Common mistakes in 6041EE FM transmitter design

These are the errors that recur when a transmitter coursework of this type is reviewed.

• Units missing or inconsistent. Mixing MHz with Hz inside the same equation produces answers off by a factor of a million. Convert once, at the top.
• Too few decimals. The brief asks for at least two decimal places. Rounding to 1 dB loses marks even when the method is right.
• Smith chart normalisation skipped. Plotting 50 + j20 Ω without dividing by 50 Ω is the classic slip.
• Blockage loss forgotten. The assigned figure for buildings or vehicles must be added to free-space path loss [3].
• Unstable transistor ignored. A simultaneous conjugate match is undefined when K is below 1 [1], [4].
• No assumptions stated. Mixer output level, filter Q, antenna impedance and velocity factor are all your choices, so say so.
• dB and dBm confused. Gains add as dB; levels carry dBm.

I would argue the unstable-transistor mistake is the most damaging, because it silently invalidates two 15% sections. Run the K check first, every time.

If your data set refuses to behave, our electrical and electronic engineering assignment help offers guided model answers and explanation. That is academic support, not a substitute for your own submission. Share your data set and working if you want a check before you finalise.

Pre-submission checklist

• Every result carries a unit and at least two decimal places.
• Every equation appears before the substitution, then the answer.
• Stability factor K and determinant are shown with a conclusion.
• Smith-chart diagrams are labelled with normalised values.
• The bandpass filter lists rejection at the local-oscillator and image frequencies.
• The power budget table runs in dBm from mixer output to antenna.
• The link budget states a verdict on whether the signal is sufficient.
• Fading from passing vehicles and building blockage is discussed.
• PCB stray inductance and capacitance and component placement are covered.
• Any real component named has S-parameters in its datasheet.
• References are numbered in IEEE style and all work is your own.

Why students struggle with this coursework

The time pressure is real: about 20 hours covers filter synthesis, two Smith-chart designs and a link budget. Many students have not met simultaneous conjugate matching since the lecture, and the individual data set means a classmate’s numbers will not help.

Others fear the integrity rule. The brief states that wholesale copying from the internet or generative AI tools earns zero, so students hesitate to look at any worked example. The sensible use of a model answer is to learn the structure and then compute your own values. Similar structured working is visible in our ENG330 radar system applications sample.

A third difficulty is the open-ended section on practical implementation. There is no single correct part, so markers look for reasoning: a datasheet with S-parameters, suitable bias, and honest comments about layout parasitics. Our telecommunication assignment help page covers this subject area, and you can read student reviews before deciding. The related Coventry PSB Academy 6032EE coursework question shows how these briefs are usually structured.

6041EE FM radio transmitter design coursework FAQs

How many marks go to the Smith chart sections?

Together the input and output matching networks carry 25% of the coursework, 15% for the input network and 10% for the output network. Add the 15% amplifier section that depends on them and the matching theme controls 40% of the marks, so allocate most of your time there.

Do I need to show every calculation step?

Yes. The brief expects equations and all steps, with units and at least two decimal places. A bare final value risks a heavy deduction even if it is numerically right, because the marker cannot award method marks for working they cannot see.

What if my received signal is below the receiver sensitivity?

State clearly that it is insufficient and quantify the shortfall in dB. Then propose a remedy within the permitted ranges: raise transmit power, improve antenna height to reduce blockage, or add a repeater. Show the new received power to prove the fix works.

Can I use a real transistor from a datasheet?

Yes, and the practical-implementation section invites it. The part you choose must publish S-parameters in its datasheet, and its bias point should match the data you have been given. Confirm the datasheet figures before naming it; do not guess a part number.

How should I discuss fading in the answer?

Separate fast fading from passing vehicles and multipath reflections from slower shadowing by buildings. Link each to a mitigation, such as a fade margin in the link budget, antenna height or diversity. A calculation of Doppler shift for a vehicle speed strengthens the discussion.

Can I use a model answer or AI for this coursework?

The brief treats wholesale copying from the internet or generative AI as a zero-mark offence. Use any model answer only to understand structure and method, then compute your own values from your assigned data. Check your institution’s rules before relying on any outside help.

Short on time before the submission deadline? Our assignment writing service provides model answers and guidance to study from, and the Singapore Assignment Help team keeps client files confidential. Start by recomputing your stability factor tonight; it is the quickest way to find out whether the rest of your design stands. When you are ready, submit your assignment details.

About the expert

Wei Zhao holds a Master’s in Electrical Engineering from the National University of Singapore, with specialisms in power systems, signal processing, control systems and telecommunications. Wei has 7 years as an academic writer, including 3 years with Singapore Assignment Help.

References

[1] D. M. Pozar, Microwave Engineering, 4th ed. Hoboken, NJ, USA: Wiley, 2012.

[2] R. Ludwig and P. Bretchko, RF Circuit Design: Theory and Applications. Upper Saddle River, NJ, USA: Prentice Hall, 2000.

[3] International Telecommunication Union, “Calculation of free-space attenuation,” ITU-R Recommendation P.525-4, Aug. 2019.

[4] G. Gonzalez, Microwave Transistor Amplifiers: Analysis and Design, 2nd ed. Upper Saddle River, NJ, USA: Prentice Hall, 1997.