Elektor 03.2009(1)

Elektor 03.2009(1), ELEKTOR ELEKTRONIK

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www.elektor.com March 2009
AUS$ 13.90 - NZ$ 16.75 - SAR 88.70
£ 4.10
electronics worldwide
R32C/111 & Relatives
a high-voltage regulator
for valve amps
M16C TinyBrick
Hyper Flea Market
Sinewaves
R13
in programmable logic
upgrading to a 32-bit micro
was never easier
T-Reg
programmable in BASIC
sourcing in China
PC Oscilloscopes & Analyzers
DSO Test Instrument Software for BitScope Mixed Signal Oscilloscopes
4 Channel BitScope
2 Channel BitScope
Pocket Analyzer
Digital Storage Oscilloscope
Up to 4 analog channels using industry standard
probes or POD connected analog inputs.
BitScope DSO Software for Windows and Linux
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BitScope DSO is fast and intuitive multi-channel test and measurement software for your
PC or notebook. Whether it's a digital scope, spectrum analyzer, mixed signal scope,
logic analyzer, waveform generator or data recorder, BitScope DSO supports them all.
Capture deep buffer one-shots or display waveforms live just like an analog scope.
Comprehensive test instrument integration means you can view the same data in
different ways simultaneously at the click of a button.
DSO may even be used stand-alone to share data with colleagues, students or
customers. Waveforms may be exported as portable image files or live captures replayed
on other PCs as if a BitScope was locally connected.
BitScope DSO supports all current BitScope models, auto-configures when it connects
and can manage multiple BitScopes concurrently. No manual setup is normally required.
Data export is available for use with third party software tools and BitScope's networked
data acquisition capabilities are fully supported.
Mixed Signal Oscilloscope
Capture and display up to 4 analog and 8 logic
channels with sophisticated cross-triggers.
Spectrum Analyzer
Integrated real-time spectrum analyzer for each
analog channel with concurrent waveform display.
Logic Analyzer
8 logic, External Trigger and special purpose
inputs to capture digital signals down to 25nS.
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Networking
Flexible network connectivity supporting
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Data Export
Export data with DSO using portable CSV files or
use libraries to build custom BitScope solutions.
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Data Recorder
Record anything DSO can capture. Supports
live data replay and display export.
Valve & Micro
on the front cover
Giel and Mart, two illustrious, long
standing colleagues ruling Elektor’s
graphics department have a special
awareness for electronics stuff that
catches the eye. For the purpose of
virtually all photographic imagery
you can admire in Elektor every
month, they pull electronics from
the hands of lab workers and the
occasional editor to get illustrations
ready in time. From time to time,
their cameras get to see what they
consider highly photogenic stuff.
All relative of course — after all,
this is electronics! So, high grades
every month for shiny things and
the weird paraphernalia I’ve a
habit of hauling up the stairs of
Elektor House for the purpose of my
Retronics
instalments.
When the time comes to design yet
another Elektor front cover, Giel
and Mart will not hesitate to draw
photos on the canvas of items not
easily thought of as belonging
together in terms of technology. Like
a Renesas R32C/111 microcontroller
and a Raytheon JAN6528 valve.
Personally, I have no preference
— the micro I consider a black box
apparently designed to spawn error
messages until I get the programming
right; the valve, an impressive
looking device with far fewer pins,
more tolerant to my errors, and with
a much shorter datasheet.
If a specialist magazine claims to
cover electronics there is no way
the publisher or editor can avoid
considering the delicate balance
described as the amount of coverage
given to microcontrollers (and all
things embedded) on the one hand,
and analogue, traditional technology
on the other. Strong predilections and
prejudice should be avoided though,
as well as false reasoning like “no
computer stuff on a sailboat”.
Marine
Weather Data with the SDR
on page
44 proves the point.
Although this March 2009 edition
was announced in Elektor’s
publishing plan as a ‘microcontroller
issue’ a long time ago, and it cannot
be denied that these wonderful
devices rock the electronics boat,
we’ve done our best to respect the
balance by including articles that
are hard to associate with bits, bytes
and number crunching:
T-Reg
, a
high-tension regulated power supply,
Hyper Flea Market
on component
sourcing in China,
Design Tips
and
Retronics
. A pity there’s so little
space on the front cover.
R32C and its Relatives
18
44 Marine Weather Data with the SDR
The Elektor SDR receiver requires some
enhancements to the basic design to
accommodate the special operating
modes of marine weather data
broadcasts. In addition to the tuning and
demodulation software, you need speciic
weather data decoding software and a
second sound card. Here’s how.
Jan Buiting
Editor
CONTENTS
Volume 35
March 2009
no. 387
R32C and its Relatives
projects
Elektor’s famous ‘Tom Thumb’ R8C has just gained a talented sibling.
The R32C/111, his mathematically gifted big brother, is blessed with
32-bit architecture, Floating Point Unit arithmetic and a 50 MHz clock
rate. The R8C and the R32C are both from Renesas’ M16C family, ma-
king the upgrade to the more versatile 32-bit system extremely simple.
18
R32C and its Relatives
22
T-Reg
30
M16C TinyBrick
38
Sinewaves
in Programmable Logic
44
Marine Weather Data
with the SDR
48
Another Brisk Day Today!
54
USB-I
2
C Bridge
62
ECIO40 and USB
66
16 from 4
74
Design Tips:
22 T-Reg
Here we describe a novel
design for a high-voltage
regulator that is very
simple yet offers excellent
performance. The output
voltage is fully adjustable
with a single resistor
without any changes in
performance. You can use
several types of valves or
MOSFETs for the pass device
in the circuit.
PR4101 dimmable power LED
Simple guitar transmitter
technology
58
C Sharp (2)
info & market
6
Colophon
8
Mailbox
54 USB-I
2
C Bridge
12
News & New Products
52
See your project in print
80
Elektor SHOP
84
Coming Attractions
Although heritage parallel
or serial ports see declining
use in practice, to designers,
a portless PC is a nuisance.
To solve at least a part of
the problem, we present an
interface for the I2C bus
for connection to an USB
connection on your PC. It
works a treat when used in
the LabVIEW environment.
infotainment
72
Hyper Flea Market
76
Hexadoku
77
Retronics:
Elbe-Weser marine pilot
transceiver (ca. 1960)
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