Video Tutorials

Plextek RFI is has a growing library of video tutorials on various aspects of Microwave/MMIC design.They feature examples of past design IP that we can use to help develop custom products for our clients with reduced risk and timescales.

Videos can be viewed by clicking the individual links below, or by visiting the Plextek RFI YouTube channel.

icon_film A fully-integrated 3.5GHz single-chip GaN Doherty PA for sub-6GHz 5G

Rob Smith describes a fully-integrated 3.5GHz single-chip GaN Doherty PA for sub-6GHz 5G at a recent ARMMS conference

icon_film Dual channel SMT packaged PA for operation in Europe’s 26GHz Pioneer Band for 5G

This video describes the development of a dual channel PA housed in a custom laminate SMT package that covers the full 26GHz 5G band.

icon_film Power amplifier MMICs for mmWave 5G

Liam Devlin speaking at the 2018 Interlligent RF Design Seminar. The roll-out of 5G promises a step change in wireless data-rates; one of the main strategies to facilitate this will be a move to mm-wave frequencies

icon_film The Design and Evaluation of a Plastic Packaged Single-Chip FEM for 28GHz 5G

Liam Devlin of Plextek RFI speaking at the April 2018 meeting of the ARMMS RF and Microwave Society

icon_film Cost-Effective Input Matched GaN Transistor for S-band Radar Applications

Robert Smith of Plextek RFI speaking at the April 2018 meeting of the ARMMS RF and Microwave Society

icon_film The Design of a Dual-band PA for MM-Wave 5G

Technical tutorial video describing the design, layout and performance of a dual-band power amplifier (PA) MMIC, capable of electronically switching its operating band between the 26GHz and 32GHz 5G bands.

icon_film Mm-wave Components and Technologies for 5G Applications

Liam Devlin presents on mm-wave components and technologoes for 5G applications, at a recent Interlligent UK conference held in Cambridge, UK.

icon_film GaN PA Design, Hints and Tips

Helen Duncan interviews Rob Smith on useful tips for GaN Power Amplifier Design

icon_film An X-band MMIC PA designed on a UMS GaN Process using Keysight ADS

In this video Stuart Glynn describes the design of an X-band GaN PA using a GaN process from UMS, on keysight’s ADS simulator

icon_film The Advantages of Custom MMIC Design

Liam and Helen Duncan present the second of our “Technical Discussions” series on the advantages of custom MMIC design.


icon_film Technology Challenges and Emerging Trends for mm-wave 5G

Liam and Helen Duncan present the first of our “Technical Discussions” series on the future use of mm-waves in 5G


icon_film A 28GHz, 4-channel Phase Adjustable Power Amplifier IC for 5G front-ends

Liam presents the design of a 4-channel Power Amplifier IC with in-built phase control, for 5G front-end applications


icon_film Understanding 2nd order intermods in Amplifiers

In this video Andy explains intermod products in amplifiers. In particular, 2-tone OIP2 is explained, and compared to 1-tone second harmonic intercept point.


icon_film The Design of a Broadband MMIC Frequency Doubler

In this tutorial Andy describes the design of an octave-bandwidth double-balanced MMIC frequency doubler using a quad-diode bridge, and two types of planar Marchand baluns


icon_film Simulating Distortion of QAM-256 Signals by GaN PAs

This video is a follow on from Stuart’s video on the 15GHz Point to point GaN MMIC PA. In this talk Tony puts a complex modulation scheme through the GaN PA and simulates distortion, eye-diagrams & EVM etc. using MATLAB.


icon_film 15GHz Point to Point GaN PA MMIC

In this video Stuart explains the design of a compact GaN PA MMIC
for use in Linear Point to Point applications at 15GHz.


icon_film A Guide to the Design of Laminate
PCBs at Microwave Frequencies

This is a recording of a recent paper presented by Liam at the
UK ARMMS conference.


icon_film Design of Planar Spiral Baluns

Planar spiral baluns are often used in MMIC mixers, for example.
In this video tutorial Andy describes their design and layout, and shows their use in a double-balanced diode mixer.


icon_film Broadband (2-18GHz) GaN PA MMIC Design

GaN technology is well suited to the realisation of Power Amplifiers.
In this video tutorial Stuart describes the design, layout and simulation
of a 2-18GHz GaN PA MMIC using Keysight ADS.


icon_filmDesign and Simulation of Broadband Switches

Liam Devlin describes a design methology for broadband
PHEMT MMIC switches using Keysight’s ADS simulator


icon_film RFOW Calibration using an ISS Substrate

Graham Pearson shows how to perform a RF-On-Wafer
calibration using an Impedance Standards Substrate from
Cascade Microtech, & then moves on to measure a GaAs MMIC amplifier.


icon_film MMIC Mixer Design and Simulation

Andy Dearn demonstrates a mm-wave double-balanced
switching FET mixer using harmonic balance simulation.


icon_film Microwave VCO Design using Keysight ADS

Andy shows how to design high frequency oscillators using small
and large-signal techniques.


icon_film Simulating rms Phase Error of Integrated Phase Shifters
using Keysight ADS

Stuart Glynn describes rms phase error in
microwave phase shifters.


icon_film Designing mm-wave Integrated Filters using Keysight ADS

Andy discusses integrated (MMIC) filters on
Keysight’s ADS simulator.





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