Contents
Vol.37, No.05
May 2024
14 Traffic Management
Page 40
Australia is a world leader in computerised traffic management systems,
such as variable speed limits, lane direction changes, traffic lights etc. This
article explains how they make sure you aren’t stuck in traffic forever!
By Dr David Maddison, VK3DSM
Computerised systems
56 The 2024 Formula 1 Power Unit
Formula 1 (F1) engines are powerhouses despite needing to be very
compact. Current F1 engines are hybrid designs that can generate over
750kW from just 1.6 litres of displacement. So how do these engines work?
By Brandon Speedie
Hybrid engines
96 RTV&H Calibrated Oscilloscope
WiFi DDS
Function Generator
The Formula 1 Power Unit
Page 56
This oscilloscope was designed by Jim Rowe and published in the JuneOctober 1963 issues of Radio, TV & Hobbies magazine. It’s a brilliant circuit
that needed just one minor adjustment.
By Ian Batty
Vintage electronics
33 Compact Frequency Divider
This project converts a 10MHz frequency reference (such as from an
oscilloscope) down to 1MHz or 1Hz square wave signals with a 50Ω or 75Ω
output impedance. The 1Hz signal can be used as a 1PPS clock source.
By Nicholas Vinen
Test equipment project
Image Source: Jay Hirano Photography/Shutterstock.com
Jaycar Mini Projects
40 WiFi DDS Function Generator, Pt1
This flexible and easy-to-build Function Generator is a staple on test
benches. It provides two wide-range, low distortion outputs and can be
controlled from its touchscreen or remotely via a WiFi connection.
By Richard Palmer
Test equipment project
60 Jaycar-sponsored Mini Projects
This month’s set of Mini Projects include: a Symbol USB Keyboard for
typing special characters; a Thermal Fan Controller; and a Wired Infrared
Remote Extender. Each project is designed so that anyone can build it.
By Tim Blythman
Mini projects
70 Fan Speed Controller Mk2
Our updated, quiet Fan Speed Controller is suited for ceiling, pedestal and
box fans (any using a 230V AC shaded-pole motor). It provides full control
over the motor speed and is rated up to 80W.
By John Clarke
Speed controller project
80 Skill Tester 9000, Part 2
This retro game is a fun and educational project based on the “buzz wire”
game but with some modern twists. The construction covered here is
divided into sections to suit beginners and pros.
By Phil Prosser
Game project
Page 60
2
Editorial Viewpoint
5
Mailbag
55
Subscriptions
86
Serviceman’s Log
92
Circuit Notebook
106
Online Shop
108
Ask Silicon Chip
111
Market Centre
112
Advertising Index
1. DSB/AM phase-shift modulator
2. Replacement supply for BWD scope
