Allied's Radio-Formula And Data Book - 1942.pdf

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RllIEE RRIIOIORPORRTION
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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.
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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
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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.
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FUNDAflIENTAT ATGEBRAIC FORMUTAS
Exponenls ond Radicols
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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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