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practical wireless số 2005 05
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UNBALANCED MIXERS
This month ... find our more please contact Reg
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Wilson, Barry Pearson, Mark Gibbinson...
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U. .1.5V
Fig. 1: ...
O
GrD
O
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=I
=I
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PLEASE MENTION
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NEWS WHEN CONTACTING COMPANIES IN RESPONSE TO ITEMS YOU SAW HERE FIRST!
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13
`G' pr...
practical wireless số 2002 05
... in
circuit correctly (see text).
Practical Wireless, May 2002 25
24,25 - Radio Basics 26/3/02 12:23 pm Page 25
26 Practical Wireless, May 2002
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THREE FOR £95
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BARGAIN MAST SETS
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... points greater than other Baluns.
SINGLE BAND END FED BASE ANTENNAS
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MD020 20mt version approx only ... 77!
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10,11,12 Letters 21/3/03 11:40 am Page 10
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On selected items marked with
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● TONY G4CFY LOOKS AT THE DESIGN OF TRANSISTOR AMPLIFIERS
W
elcome to the second of
my series and an
introduction to the
practica...
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... OF THIS WORLD
14 Practical Wireless, January 2 005
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BASINGSTOKE
Basingstoke ... PW
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radio basics
● Fig. 1: The Cadet circuit, block diagram and pin-out details for the inductor and
active devices (see text).
Ja...
practical wireless số 2005 02
... insulator.
10 Practical Wireless, February 2 005
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Heritage’s ... £99.95
MFJ-993 £249.95
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MFJ-974H £179.95
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See us at Stevenage Rally 20 February 2 005
RG58 best quality standa...
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ANALYSE THOSE COMPONENTS AND UNRAVEL THE MYSTERY!
Review
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“What ... construction cup, (pic
by G3VOF).
14 Practical Wireless, March 2 005
International Marconi Day
This year the 18th International Marconi Day (IMD)will take place o...
practical wireless số 2005 04
... crossed arms (above) and four spreaders made as described in text.
18 Practical Wireless, April 2 005
Practical Wireless, April 2 005 19
Theory
starting point for construction calculation. This formula, ... text.
Fig. 3: This indicates a phase angle of
around 55° (see text).
22 Practical Wireless, April 2 005
Practical Wireless, April 2 005 23
Feature
phase angle of ar...
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Feature
z QRP Contest. 0900-1600UTC, 12 June 2 005
24 Practical Wireless, June 2...