This is only a preview of the August 1988 issue of Silicon Chip. You can view 40 of the 96 pages in the full issue, including the advertisments. For full access, purchase the issue for $10.00 or subscribe for access to the latest issues. Articles in this series:
Items relevant to "High Performance AC Millivoltmeter":
Items relevant to "Universal Power Supply Board":
Items relevant to "Building the Discolight, Pt.2":
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CEN'l
Cash in your surplus gear. Advertise it here in Silicon Chip.
Surplus Test Equipment
Singer 6201 Signal Generators:
cover 61 kHz to 512MHz with 6-digit
LED display. Calibrated output
+20dBm to -146dBm, continuously tunable, 1ppm stability, metered
AM and FM modulation circuits, low
leakage . Several to choose from.
$3200 each.
HP1 SOAR Oscilloscopes: solid
state 100MHz mainframe, accepts
1800 series plug-ins, CRT 8 x 1 0
div., horiz9ntal b/w DC-5MHz. Supplied with HP1801 A dual trace
50MHz vertical amplifier and
HP1820A timebase. Rack mount
version. $1600.
Spectrum Analysers: Systron Donner 762-2A, 10MHz to 40GHz, 7
overlapping bands, C/W wave-guide
mixers, pads, cable. IF resolution
FOR SALE
NEARLY 1500 PRINTER buffer kits
now sold. Prices start at $39 for a
256K short form kit. All items advertised are in stock. Dealer enquiries
welcome. Bulk discounts. Schools,
Govt. Depts. orders accepted. Oh yes!!
IBM compatible. Australian designed
and manufactured. Ideal project for
user groups and students. For a free
catalog send a 37c stamp to: Don
McKenzie, 29 Ellesmere Crescent,
Tullamarine 3043.
PROJECT REPAIRS - Having trouble
getting your EA/ETI/SC kit to work?
Phone (03) 7 49 3480 for estimate or
send kit to K. Hunter, 5 Yatama Crescent, Werribee 3030.
OATLEY ELECTRONICS - here we
present some "short-form" kits at very
special prices. All these kits include the
PCB, instructions and those bits which
are generally hard to obtain.
Back-up Siren/Satellite Siren (EA,
Sept. 87) : a totally self-contained second alarm that comes into action when
your main - alarm in interfered with or
when the vehicle battery is disconnected. Uses just four penlite nicads to
96
SILICON CHIP
300Hz, on-screen dynamic range
70dB, 51 dB stepped IF attenuation.
$5500. Tektronix 491, 10MHz to
40GHz, 1 kHz IF resolution, C/W
wave-guide mixers and attenuators.
$5200.
All equipment offered as is, operational and normally with technical
manuals. Calibration service
available. Phone or fax your requirements to:
Av-Comm Pty Ltd,
Telephone (02) 489 1439,
Fax (02) 489 6493.
No order too small. We have a large
inventory in our US warehouse and
regular monthly airshipments. We
can supply most HP, General
Microwave, Singer, Systron Donner
etc.
power a 12V " piezo screamer" via an
on-board DC-DC converter. Could even
be powered by inexpensive dry cells if
you disable the charging circuit. Just
leave out diode D3. The short-form kit
includes the PCB, instructions, AD161
and AD162 transistors, battery holder
and two 1 00µF bipolar capacitors. All
this for only $10.95 plus $1.50 p&p.
The Microphone (EA, Nov. 1986): this
professional quality microphone will
drive any amplifier, since it includes an
on-board amplifier. You could even plug
it into any line socket on your hifi
amplifier to make an inexpensive PA
system. Touch control on/off switch
and battery check. Automatically switches off when not used. Extremely low
battery consumption when on and
negligible battery consumption when
off. The short-form kit includes the
PCB, instructions, aluminium tube and
the threaded rod and nuts assembly. A
very good start for only $9.95 plus
$1.50 p&p.
Stereo VU Meter (EA, June 1987): any
audio signal will drive this unit since its
sensitivity is adjustable from volts right
down to millivolts. Even a microphone
will drive it directly. Doubles up as a
preamplifier and has backlighting lamps.
The short form kit includes the PCB, instructions, dual meter movement,
Advertisers Index
Altronics . . . . . . . . . . . 50-53
Anabelle Bits . . . . . . . . . . OBC
Arista Electronics . . . . . . . . 93
Av-Comm Pty Ltd . . . . . . . . 96
Avtek . .. . .. ... . . . . .. . . 3
David Reid . . . . . . . . . . . . . 13
Dick Smith Electronics . . 36,37
82,83
Elmeasco . . . . . . . . . . . . . IFC
Geoff Wood Electronics . . . . 1 7
Jaycar Electronics . . ... 24-27
72-75
Kenwood Australia . . . . . . . IBC
Oatley Electronics . . . . . . . 96
RCS Radio . . . . . . . . . . . . . 81
Rod Irving Electronics . . . . . 4 1
Scan Audio .. . . . .. . ... . 92
Texas Instruments . . . . . . 95
PC Boards
Printed circuit boards for SILICON
CHIP projects are made by:
• RCS Radio Pty Ltd, 651
Forest Rd , Bexley, NSW 2207 .
Phone (02) 587 3491.
• Jemal Products, 5 Forge St,
Welshpool, WA 6106 . Phone
(09) 350 5555 .
• Marday Services, 2139 Great
North Rd , Avondale, Auckland,
NZ. Phone 88 5730 .
CA3401 IC and the backlighting lamps.
A steal at only $6.95 plus $1.50 p&p.
Mini Mixer (EA, May 1987): connects
up with your existing stereo amplifier to
give you total control of two additional
microphones and any source you
desire, in any proportion you desire. A
simple way to make a PA system or a
disco system. The short form kit includes the PCB, instructions, two
special switches, front and rear panel
adhesive artworks and eight RCA
plugs. All this at the giveaway price of
only $12.95 plus $1.50 p&p.
For multiple orders of any of the above
kits, include $2.00 p&p.
Oatley Electronics, 5 Lansdowne
Pde, Oatley West, NSW 2223.
Mail orders: PO Box 89, Oatley, NSW
2223. Phone (02) 579 4985.
When ordering above quote: "short
form kit". The above prices apply until
the end of 1 988 or until stocks run out.
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