Practical
Electronics
Volume 50. No. 9
September 2021
ISSN 2632 573X
Contents
Projects and Circuits
192kHz, 24-bit
USB SuperCodec – Part 1 by Phil Prosser
his eauty is the ulti ate in high fidelity audio recording and lay ac . se it or
digitising s or recording your o n usic
16
Shirt-Pocket Crystal-locked Audio DDS Oscillator y Andrew oodfield
his co act little audio oscillator can fit into your shirt oc et yet it delivers a
su er accurate sine ave hen and here you need it.
22
High-power Ultrasonic Cleaner – Part 1 by John Clarke
28
his large igh o er ltrasonic leaner is ideal or cleaning ul y ite s such as
echanical arts and delicate a rics. uite easy to uild it s ac ed ith eatures.
Night Keeper Lighthouse y Andrew oodfield
his nightlight rie y lights u the dar ness to ee children s drea s ro
aground on dangerous shores an e cellent ro ect or eginners.
running
Series, Features and Columns
The Fox Report by Barry Fox
he curse o du
anuals
8
Techno Talk by Mark Nelson
clearer call or all
10
Net Work by Alan Winstanley
his onth the u co ing release o indo s and the re uire ent or
loud ac u s and the rise o irgin as a satellite launch rovider.
12
Audio Out by Jake Rothman
uestion o alance
art
40
a s Cool eans y ax The agnificent
lashing
s and drooling engineers
art
44
Flowcode Graphical Programming y
ntroducing lo code
artin
hitloc
50
Practically Speaking by Jake Rothman
issecting devices a hotogra hic east
56
Circuit Surgery by Ian Bell
ultistage log a lifiers or
62
o er
easure ent
Regulars and Services
Written in Britain, Australia,
the US and Ireland.
Read everywhere.
© Electron Publishing Limited 2021
Copyright in all drawings, photographs, articles,
technical designs, software and intellectual property
published in Practical Electronics is fully protected,
and reproduction or imitation in whole or in part are
expressly forbidden.
The October 2021 issue of Practical Electronics will be
published on Thursday, 2 September 2021 – see page 72.
Practical Electronics | September | 2021
48
i by Mike Hibbett
evelo ent oard
PIC n
art
Made in the UK.
36
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