CET714 Active RF circuits II

Course Provider

School of Electrical and Electronic Engineering (EEE)



Academic Unit



The objective of this course is to provide learners with a good understanding of fundamental techniques in RF circuits for wireless communications. Analysis  and design of a variety of active RF and microwave circuits, including  detectors, mixers, frequency multipliers, control circuits and RF receiver will  be discussed.

This course is part of:
- Graduate Certificate in Information and Telecommunication Engineering
- FlexiMasters in Information and Telecommunication Engineering


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On completion of the course, the learners should be able to:

1. Equipped with the knowledge in active RF circuits from this course;
2. Able to participate in analysis and simulation of various active RF circuits and;
3. Able to participate in design and implementation of various active RF circuits.

Detectors and Mixers
Detector operating theory. Detector sensitivity. Detector circuits. Balanced,  double-balanced and image-reject mixers. Impedance at the fundamental  and harmonic frequencies. Single-gate and dual-gate FET mixers.

Frequency Multipliers and Control Circuits

Passive multiplier using diodes. Diode multiplier and harmonic generation circuits. Active multipliers using FETs. Balanced FET doublers. PIN  switches. Single-pole double-throw switches. Switched-line phase shifters.  Loaded-line phase shifters. Attenuators.

RF Receiver
Receiver architectures and requirements. Dynamic range, sensitivity and third order intermodulation.

For aspiring engineers and Information technologists who wish to improve their knowledge and skills in the broad area of communication engineering.

Standard Course Fee: S$1,635

SSG Funding Support

 Course fee

Course fee payable after SSG funding, if eligible under various schemes


BEFORE funding & GST

AFTER funding & 9% GST

Singapore Citizens (SCs) and Permanent Residents (PRs) (Up to 70% funding)



Enhanced Training Support for SMEs (ETSS)


SCs aged ≥ 40 years old
SkillsFuture Mid-career Enhanced Subsidy (MCES)
(Up to 90% funding)

  • Standard course fee is inclusive of GST.
  • NTU/NIE alumni may utilise their $1,600 Alumni Course Credits. Click here for more information.


Read more about funding

FlexiMasters in Information and Telecommunication Engineering

CET700 Signal Space and Modulation1
CET701 Error-Correction Coding1
CET702 Spread-Spectrum Communication System1
CET703 Fibre Optic Network Design I1
CET704 Fibre Optic Network Design II1
CET705 Fibre Optic Network Design III1
CET706 Wireless Channel Models1
CET707 Fading Mitigation Techniques1
CET708 Wireless Networks1
CET709 Fundamentals of Computer Networks1
CET710 Traffic Engineering in Computer Networks1
CET711 Network Security1
CET712 Passive RF circuits1
CET713 Active RF circuits I1

Listed courses are:

  • Credit-bearing and stackable to Graduate Certificate in Information and Telecommunication Engineering (total 9AUs) and FlexiMasters in Information and Telecommunication Engineering  (total 15AUs) 
  • SSG funded and SkillsFuture Credit approved.