Allied's Radio-Formula And Data ...

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RllIEE
RRIIOIORPORRTION
IilltRG0
FOREWORD
Ar,LIED &ADIO CORpon.tZlON
offer-sthis publication
to fill a long
stunding need fol
a corn'enicrrt collcction
of rlaclioformula-. and clata ii
harrdl,,
pocliet-,<ize
fo.m.
studcnts of radio
a.d electrorricsa'd ensi'ecrs
arrcltecli'iciarrs acti't'lv
engagcd in the field
u-ill fiud this
booklet ex-
trcrncly helpful
in thcil cr-er.vday
work.
'l'hc
publishcr.s
are indebtcd
to the McGrarn-Hill
Book
cornpany, Inc.,
for their perrni-*sion
to usc material selected from
xlatlte-
matics
for
Electricittns and
Raditmen by Nelson i\{. cooke. ALLIED
^rso
extt'.ds
sirrccrcapprcciati.n to Licutc'arrt
Nelson 1\{.
cooke, f . s. Nar.r'.
fo' ge.e.ous
corrtrilrutio' of his
time and spccializetlk'o.w1cdge
in ccliting
tlie
matu'ial cortai'ed in
this booklet as well as for his .rany
helpful sugl
gestions.
* Any opinions
or assertionscontained
herein are thoseof the
puLlisher
oncl are not to
be construedas ollicial or reflecting
the uieu
of the Nauy Depurtment
or the naual sertice
at largi.
CONTENTS
Funilamental Algebraic Formulas. . .2
Miscellaneous
Radio Formulas. . . .3-7
Concentric Transmission Lines. . . . . .8
2-\Yire Open-Air Transmission Lines.9
Vacuum
Tube Constants.. . . . . . . . .10
YacuumTubeSymbols.
..
.. .. -10
VacuumTubeFormulas.. . . ......11
DC MeterFormulas...........12-13
Ohmmeter Formulas.
.
.
.
. . . . . . .14-15
BareCopperWire Tables.. . ......16
Trigonometric
Relationships. . . . . . .17
Trigonometric Functions . . . . . . . . . . 18
Solutionof a RightTriangle.......19
MetricRelationships.
CondenserColorCodes.. . ........24
Pos.erTrans{ormer
Lcads........
25
I. F. Translormer
Leads..........25
Spcaker Lcads and PIug
Conncctions.
. ... .. ..26-27
Audio Transforner Leads. . . . . . . . .28
BattcryCableLeads.
.....28
......29
3-PlaceLog Table..
Sines,
Cosines,
Tangents,
lladians
DecibelTable..
.......32-33
OhmsLaw for DC Circuits........33
(OhmsLaw for AC Circuits).......5
Greek Alphabet. . . .
. . . . . . . . . . .34-35
Radio Abbreviations. . .
.
.
. . . . . .36-37
Inches
to Metric Equivalents. . .38-39
Mathenatical
Symbols...........410
30-31
. . . ...... ..20
Metric ConversionChart..... . .. . .21
RadioColorCodes..
...22-28
Resistor
ColorCodes
......23
ALLIED'S RADIO FORIIIUlAS AIID DAIA BOOK
A
(lrrrrlcnsed
Oorrrpi)a1
ion of
I,lsserrl
ial
trl:rtirenratical F<trrnulrs, Tables,
(.lrrrrrrorrly
Usertlirr the l,'ieldof ll.atlio:rrrtl
Iilcr.lronics.
*
Corrpiled under the dilecl,ion of the
'l'er:h-
nica.l Staff of ru,Lr.r.lDrtADro coru'()lt,\'tloN.
*
Edited by NELSON M.
COOKE
Lieulenont,
U.
S. N., Nqvol ReoseorchLoborotory, Woshington, D.
Q.
Member, Institute
of Rodio Engineers.
Author,
"Mothemqtics
for
Electricionsqnd Rodiomen."
*
Published
bg
I)a,ta,,arrtl S1:rrrrlrrlrls
Allled
Radlo Gorpor.ttion, ChiccAoT lllinois, U.5.A.
PrlDted tu U. S. A.
Copyright
1942 by Allied tiadio Oorp.
FUNDAflIENTAT
ATGEBRAIC
FORMUTAS
Exponenls ond Radicols
"
,
--,,,,-rl
tl'
e,\ e".-attld.
,
{V,r'-,iG
\a'7,--n,u.
u'
/
a\'
a'
!/
r
r/-
,
\/ulr: ruVb.
\C"U)'.tr'D'.
I
l-
\
{,
/
0'.
ao:r
-':*
oi::t;
o1:
vo,
;/;-
*
Solution of
q
GlucrdroticEquotion
-b+ .11,2-4";
Quetllltir:
equations in tlre form
oazlbr!c-0
-_
'2u
rrr:rv lre solved Lry
use of the follorving ltrlmuia
Poge2
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