An industrial television camera

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D.t! s

l'OU d

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into

ommlln on en

eve over

[:;lent

1'his co

i'i:;s

on edwi th t n ,

c and can

n sect os, power en nee

b ",

c-it is

ng. B't these

t cent and t t

ause it is ac

ng ov owed by

more ant e ra~io d ommun cl.t ions bx'aneh. t st

c1 1:; in t r section at tho on t t

on t FJUC h as

a

os &nd metadyne •

In t t years

10, te

on In more recent 1me electronic qu t

bee l:'smo and automat con tro1 of marl y

s 1

s to 1 marrs'

1 .,

i deve ts

on mean B a pee!

arouxld f),nd ends CHl,n an even

on orw t lH1es 1 d ot itl

blilCOnle mOI'E1 _'Gs"nt. '1'0 1'190 its !'

we I' 't be i ("i

"", .~:> in ssenc

,

an nsiol1 of' ","-l,

I~ t. c t; extend the 13 or

ca to j, s ca or 0 er events

s,re be g t sed. t is a restrict and

we now concern ourse s with a vast number or

r than broadoasting, which, convenienoe, are grouped

toge in term 'indust 'televl on t .

Some these applications are to be found l' the

point obse on

or

a (~sS, 0 even t ,

:113 clan , inacoess or llncomf'o for hllrnan beg.

t and hemic eSB could direc t

ob on sslb but Ittt t on on of a te islon Camer'a The same applies to

on from iO-EtC ti ve mi3. als ell are playjJ1g

ng t e,tomlc

set

been e:i.d

Te siOl]

It

t 1311

t r.

x'espons t

coast

p in tod

13 i , t(~

hmnan server would

been used 'ifif i success in underWa

or p j"n on an d t

i t was sunk in about 280

televis ex

discovery at ortiol1 of

d into the sea off

It was t recoveryAanalysis iiI"d. s

wreclc-the so ng or t mYl3te sUI'round g

es h tH:lt

render in too

't he :c> e All of' Bst te sion

a.s te crease the number

tl:.l.l1e wabch a p 1c event

show cal ions to med al;udent

o

particu v e. television camera can

d di:r-ectly above the ject, yi lding a much more

(Jet ew or t operatlon than COl11cl 0

I t whenever a demonstration is on

a

be sa tisf'ac observed :fr'om back

seats an

nm,

dUB ije :lon beconws ;';:1

accesso

the tl18.t1 Y lH3 e s oh te Elion

n put ~md it wou tedious to

:r

Ie]

t re t new and mas i~

new ideas its t not t , nor f'act

It

wou

man ed diet

s

ject was to des go and co ruct

a1 sbn LUli t h W~JS en elf'~

cien t. 'J'he wi. ttl ew to

ing an in in to so)ne of' t.

vacuum slon des best Dcope :foX'

J.'cui t in 1"1. C t un it and reSlll t

Seen &md 01 d readi

of l1C't n recurrent sawtooth

':ehis forms a good foundation upon which f'utuy'(:! stlldy of

e 'Gr'o n i c scan b e b as e d •

1.1 O.P.S. Emitron and deflection components

1 "~2 Camer'::;~ ht;i ampll1":lep

1.3 Camera unit connections

2.1 Viewfinder pulse and def

2.2 Viewfinder d at n eire

t;j.Oi1 components

t.S

3 V:tewfind{n"> video L'l.m]Jlj,f·iel~

2.4

Viewfinder power supp

2.5

Viewfinder contro

Picture mont tor fHld def'lectton componen tiS

Picture monitor deflection eire ts P tU.re m.ord tOY' syncl'I'onisf;ttiolJ

Pietu.l"e mont tOY' video amp En'

L!.1

Lt·.

2 L~. 3

LJ-.ll 1,··5 L/.6

4 7

1.1·.

a

Ll·· 9

Pic tlll~e moni, tor power supply

vVavef'ox'm mon i tOl"

Waveform monitor time base

Synchronising waveform

Master oscillator and M DS

J):i.videI' unit

drive to eame:r'<::~L dl'llive to camera.

S and Protection unit

.0 Power f3

;5.1 Oamera power' surlply

compara tOI'

5- 2 Camera control pOV'Jer su.pply

5.3

Sign gene tor power supply

5·

hOlls g unit intended r mOllnting on 6.

oont n the camera type and its aS80ci

making p sian for conven t lens c

i

d n

EtS n,

control

'll_{he camera will connected t,;o j_ts coot1'01 Ullit thI'ollgh}

medium mu ieared e les and Buit D1 ,abou

ty connect B being neces

lee 'bion c

t

t;ld 061()

ora

d

n

t Ctlmex'.5( C

came'J."a co!m€~et

b d

ern deC!

con

B slio

eon t1'0 of'

))

D.n:t t 01" P )i1.11.rr. l'

nt

a

ion

balld

t

6.

(5 mel )

d it in

camera power supply un t.

ol1ventional b c

P

d

1. E: t ton an (] I1S

t iCJ

he t Ubl'lS,

ustng (J

monit;o

n circuit in the

t

camera n

Ct

f.,)

ontained ng its own

t it is no practic

continuous monit

7

on

th<7I'(jfore be buil b into t

necessary power su lies and time base

s b tiJld

It will

ite

wave to t

unit;, It W flO

t:con :In t

e un:L t

el~4

and t::lec

t o:t' t;

ng

d it i

llnl t

OYe

i'or ng

t O~e O~e

cl gn

se IJJ1it

the

i

1'11:Lt3 w:1

Clpp:eoximate i amp f:!

focusing, head er and

low vol'tage D.C. as required an centering c u l t s .

:U 0 C. a't 200 ,to 1 t 8 an d 'I;he Opt'H"at:ton 01' carnera,

n d el~. r t wi 11 BO SUm)

ration alignment

op 250 vol and ll:iarnpG thE~

l'flti,on CHlmOI'[t (l ct,ton un1ts, the b1anking lei.nd

tion uni't and a video er unit. It will so

p 150 e Eor use as bias where required.

9·

This will develop 200 volts and 200 milliamps as well as

6.3

ts A.C. and 150 volts hiaB Eor the operation gnul

generator and deo runpli er circuits.

This will develop 200 volts and 200 milliamps of D.C.

supply to monitoring circuits us well as 6.3 volts A.G. for

lametlt£1, a sp{~ci 6~3 volt oCL C:L:PCl1it :Cor the heater 0:('

the moni g osci , and 1000 volts D.O. for the beam

snppl~l t he monj~ i~rn"'ing oso11Iogr'aph@

6. :m

~lectric design should conform to elect cal and radio

an nearing stan(l::uC'as as far EJ.S these may IJ6 applicable. )\[0

componen t :Ls to be op(31"ated in exc~ess oi' its rnanufac tLU'Ell'S

p

d raaximum patings :;)Jlci wheY'e p08stble SUb(3tEm tial

s ty should be included. Wiring shol1ld be so

that wires are readily trac and c 13 and plugs

t construe on and easily detachable.

consideration shou

ty and prottlo t

~ c1anger'ons e

given t.o van

(;"!'atlng pex'sonn

u:tts Elh,(l11

tion ~

In

eguately

1;ert1al steel 1"JartFJ :311ou10 be f:lnlr3hed in :;. h;"r(J umooth

and intern parts p ted or dipped in ~n

a

manner.

a;('1;13 should be n:i.ck(;ll pIc.ted anCI the geneX'al :f'inlsh ul1oIJ,ld

EW I

R

CAM RA

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~

1 - - '

-r-,-.,---r-,---.--.---J

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erg

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P

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I

71

drive

CAMERA

C

TROL

rv

OCK

---~~~~--~-~~--~

»

o

rv

of

Corn

N

Video

Synch

VI<:::lIeo

E

f'\J

S

yn

ch " " '

t und ana i(:h (;)

t

...

t;;,"f sect &HHl Lt.L~, It,, 5 ; Ll"o 0 . r

n the ave spec c ~1-1

t t

in the ()tI8 S

One con tors des was i

and end t tr~

,

WaS t as s as ble.

The unit construc be !1 ughou t to

ion where necess

contains only t result relevant t the

at it 8 dese d y and t

morrt Case been enu\1ci te the

ment

the unit under t heading Wgen fo owin

ions sent lIP on base(l

and e 'te on any poin t is to des

'fhe can b :r:eaa,i h:=:U3 not

t

8 .A c s of us

is g a c e thesis.

and ng i on

.P.S. l':MITRON

t '1' V ~ caluera is p C IIp tube an c1

mi1r:lt cen

t 8. reason u survey of the c te sties of the

camera used i at1 t.

The camera wl1tch have

been

eo

Sc~ of Enginee ng by c c ru') (l

Music: '1'he def and t

oo::t en i ns, when the

p

deve .1

to the id be.

spec reased sei1s:i.t

nation

shading ~ £t!ld on fixed b lr 1.

ott ned by c e potent! > ) , ' dot ('~'h

S 1JtHJl sa G.!'.on v v ) and the

EI.C tior! now be analysed.

2 "2 Ml!:'l'HOl)::)

Shad:tng be s W<.J.f~ d Ile to e unco nt ro fi d

movement second trons one IHlPt of' t mo

t ano rna 'I; _{tbis coula be c} en B 'ted or by

(1 8 dec output si bllt fj

:peqnired cons t th u changing p ture.

ing signal caused t

level oO:l:'re d black to

1

5

Senoncl 0 S EtX~e 11be:r:>ated when t e tx'OD

t ann rig am _.;:, C"1 the _{tal"ge t}

< 'l'he

CI on _,Y ns b bel~<:A tied by EJ, d end

en o:f the primaI'Y electron and nEt

1 the genera1 s second

s (and pho e lee tI'on ) t c]

e aDd to prevent OUB

must not be

'Grons is such that

S:> 1

trons and its potenti 11

eet:ing 8 E).ce, the anod

t thEJ.ll

co t g trans will return

t111 ti two s This is

con o:j ion c i ty beam wi th b >1 and

t ary h the oua

s i s t t

s..c

I

[3.11 d ss

,

(Vp• i8 C f'

at

ross-over

:rig. 1) bomb wi d in

paten

un

:t t tely aMLOde t

'l'he d oe is the on tact po I1ti _" D or the cathod

bombarded s ~hi cund tion, created by a

I; y b f~ am

s.:::.1 ,

stabiliseB the t tenti.

tab condition

$3<1 but

the en

( VPl. is the

) tabi ses the t£Lrg'(:) t fi.

:;?otenti ave tha of the 0 hoda.

tub

een t condit only as yet

een hade. t

s one

en t;i s 't;6 the

a in

o ition

s<

I e

eident

i· -' of' a I'at

t 1" i t :ll~ on tio a!' d te

tron beam in t rection of

tub .

s

t t ine dent e trans s .hou s t t

86 t e S COlt

se COl.1

MO"Ia..C. Transpa.rent I Meta.l L,-~e""

S a.,s or

MICQ Sheet

i 'be 1.8

t OJ:'

On

h COl1ststs ~1

G.P C'

k)

G-on S4. I

DOD

DO

o

ODD

DO~

DDDrJ

DOD

0

(b)

hown

on

one

0 l' S

i.l

app

( c)

:in F ~ ~~ '-2 (

ide w:l th con dllC t

is ae ( b)

l;O-S6i1sit

ly one Ilion

e ts :pel1l _{8 are inch} and _{t e} iB _{an <:LD timony~}

h es tube a colour re se vo

e t:tc.

Llght s ng to-sensitive mosiac c

cl nd t d 0

Htl od(~. s t

po t t (,10 tb _{t poten} n th(;:

I:mn g s 1 dis

to C t.i dtsc path ludes a sistance

on P t mOG b.C

e doel3 not

scann Dg electrons. f3ign is deve ea

B carre on B ture At end e tJO

scan b am c

() 11 lacle

tellsj. _t i

is \/p. (3)

disc d t

1:1.

g :tn

(a.) Stable

S<l

i carre n ,,., ,;;, to no s

Ii d g trace

i t tion

at on i [;9 d s paton

nt w s ti :il e d j. It t:"

'"' e te

scant) ng b am. houle) t ten t

nt 11 not be eli e

raise ts potenti lnto Ut1st

unst s j cted to exces

cient beam eUI"I'enL

t €I tl e ar the s t t l t~y t 'NtI1 emH:le

am a tj po ts

e ts

])1;;'

1.:ttld

(6)

StQble

limit

S=::.

1

FICy.

2-3

t t len.

te

:i lwowrJ

nti i2l. ti g:r~e t at

be (: b t

,

(1 _and become IY10r'e

p re8U Uli vIi tl1 ce

to

where an on the :pl is cot1aid d

as

a

In

c e ( t t1 t. is disc (I uri

on

IJ is a n 1:;:i.ve se corresponding; te i

be iB mi ng condition (b)

e t FJ no d bl.lt PC;) tai n s its i.n poton

ana

no ou

ut ed

,

o r'1:'(~ ond ng to b s

n

tub tab (0) the e t is l1o·t ('Jlsc cJ ut t c d dll<:~ to the sion of' second t~L'ons.

on

·t be t cEng

.L

10 on po t:1.1)1 rHosi

anode. t

b 13.01

d t at

tenti s 1'6 llC <:::> ;;t anode tent

to _tomat S on COLl b d by

ut g t lib _{blEJ,c s:i to 19ge s} t 11·~

i nit

tX'on and ,. I .• cont 1.n{2;

in Pig. "tc cUon and e 0

re t se c nts n be n t aI'e

o -

C

onnec:.ifon to

q

eOr<> e tr'j

Ef

e.c.tro.:le

3 -

Wall t=\f\ocl.e.

- -... ~ ... - - . - - - ,

II - FOCI..L5 COL\S

nven

vo 1;;8 1 GO {) cu e l S uSEHl :'3

cutttng beam c]uri

p

a

₁₃ a positive pulse

g _{if:i re (1. rno(lu tor' vo11;}

v be 10 and volts to con 1 beam ClU'I'en t

h c 178 t an c] ]j~ t 13

t volts

1 anode i10,rers ne ;1] L IJ 1';::11 of t ttl

be tel' and t p ate. It PI'01f des a

be sa accelerat ng t

t on anoO pes

n 0 £il1a +1 volts lID on

tn_e t e t G.n d Is

connect anod • 1'0 on

beam it 1 po itioned at an ant n t a, i out

an t d

(;1

1

ng b

Deee

e

n

t same :1:'

me

and

c

tOl' is 11:,

DJ1d

:1.8

on t

t

ugh.

u

b tw en

ua

'J

1

ions

ad

cJ e.1

cJ etC ts

t on on t b c1 J ion or t

B used to GO t t

n

o

t 0

eld out gauss with a current

<~

Q fl 1d t wj" t

e !:learn on t

fo

tl

b d 1 s

s t b wh

(::0 c:t e

rwt t; t wi

be s b [;J.nd nat 11

t coi

duce

tiC h ju

fIn1 be c)e:r d un I; 1

be 10

:1 p] under

wo d

rms of current to

t a.

is n

be

b

It was at

c on

, ..

I"

llX~I?E~n t

on

SatTle

h :w n

/~,t

on

t t

dot'

o C Il,Pl'I:Hl t

c1 t

I:;tlJ on Ll t

b g e

i.13 to t

st

mum IJJ'l(J n

on n

n ooncl:ition is eel by c1 t:ion

r~e ect u n t

on(;;) Bean t

X' t nnll1g next BCt))]. ',[I

22

(el )

(b)

n t eEl

( ( C)( \,\ ,~ I ) n ell.

itor nareaaes 1 ne with tnt:' dLW

e IJ. COil :'I.Y] t

t oJ:t;ion

to

(

)

nduc t"3 (1 VlI t tOIlE,; ( 2(

IJ)

/ \ in

lJ

em

:in II J,"

I, _r'e s t; due

a tlS t 1 , IJ .... t.

V 1. IJ

the volt; V~ (] ~~~ t t s (l t.

c LIO '/:; .£"""-n OP on

>!~

8 n ed 80me .1.

e of ng :1:'0 t

b (,

int

te

he to;

,

_{nel .8 t t :POll} c.~

now

_b

no

t ne

():c

now

ontrol the deflect on

ons eBseil i to

g I so (~

trom po

1

t coml.T\Ol1 e

au. t

e b

c

_..:t )

Vi, (1 ~ E 1'.C ,

It

)

WOIJ COil 1; LtO

to e J~ on

lx' n

Buwtooth

IIoV/ever

j. ( g

(

)

n

1\ t t

an nue t

rEs ion.

_ t

1 =

E:

1<.C

no

(I)

\~ Vb

011 1s

Cie 0:C ng

rJ at t

In

un

11

ontpu

c ed

( 1 )

is met;lBur'e

t v of'

<D·'

~

t V de of

1.1

lOBO

:ton

L i Ot(:: f:w:lly c n tro

n

-..IV'\A/'rf'~H.T

r---~~~-4----~~

c

d bJ. t).S (

:I.

,

bec

lng n

t

:3ync

t it t g

t t d rtf.' to I"

'" :L' t· I" .-,>

cle-:ton:tSB:t.tOI1 t 1; lJ. b i t tor t

od tube th El a t1 I'esi

tl!. a C l::tc overcome 1'0-i it10n but 80

1'e H .. ~'. vo)

D.se 'N/iS no t u t

wi

(]

[I'

o

clan t, I; b 111 lel11

11 t u Cl e Oll LI t s.

are common

w:I. 'be

(

8e c

, the mono~ ant!

one and C!

,"'

nee (j g es to

be eons

b

multi-vib tors nd these

Uvi

(

I'unntng

types se

g

ee

Iy

[in (1

11 t .-~') J.

and eEl

-, _{~1 )} '::l

-

_,,'

l/-JlJI

PIette

~

r1~

Plllie

V1-~

SriJlI.

not

t

and

and

rcLt 1.s

ts are covered in

will

not

t 'rhe

on p tes an Cl of' two tI'iodes

If

i is Gonti ted 1. e V2.

n a sawtooth ou ut will be developed.

Den (6) the owi.ng I'e 1.on s fo:!' a p

te-c1 or 13,.8 a sawGoo

0'434

(R

I +. I'"'f rp i-Ra.

Ra..

)

R'l. Ca.

0-4-34-are bo

ge

t

dent

s

sawtooth DJl1pJJ. tude

i'PC t

o n Ct

an b

g s to

upp

d

c

and on

eo

by t that

d O~R2..' for

e invers wi tfl

t t t t :i:::1 not

onOttlon.

ne

s e to

neces to iso ce t Ie to ee

( b)

d ti b toY'

~

L-rl,.fl

fiG

3-6

Sf) SO :tn ,'" .~ orms J. IJ

,

aB b

,

on t;

be COD e:ped.

(

)

g the

a ti OJ' a Doth or'.

n d and cathode of

when 'G i

11' 0<.

'111'. 0<" P ,.1.1'\

d t11 ve t.h Rb 0_{1 •}

ean tc~d

to

but j.t i to n p the ("I

Vi

_"

t an (1

c

un

as

and is

i t;an

ut

b g

"Is

-,;.

p

" s

1"e

volt

e-c

I

~-

.

--~/t/

I I I I -:-C~ I I I I

FiG.

3

ts in monost

s n

p ..,,.,,. kf'4"

de tb.e s t

('

~'s in uit

to ising

abou t

more st Ie

d mul

hfPldte

and ctS

3-7

t till assoc:l.terJ

of' C ondno t:ion

and

( ) owing 'bion

i a

RIC.

::

0-434

::.

1fJ

Ls

C

s

I'EJ.tio

ell tion :is

d 8 cant

Isatton :L ted by

clbao l~o t; ehl'onis and

00 p :is cion.

on on D 0:[' arJupting

b g OI30i t01'" af; _{a f3awtooth} and ~1 X'

me b cU tlt5S in t1 t eY'.

~ _ -;:-:;t'-=-----cu.t· Off'

In

osc tors ge one

s t(:;; to o ooeL1 clue d n

on the (] dec o oh not 11

'J~he [to tu tI'unni 1;:1. on ]ie or] is dlf:fi.eu t

andtt ],8 s wh ell the CUI'i.~te an is

t on i ct on of ve p

conet \ll

to

i c1

( 08C atop can be e 1;0 c t

stab oni cy of

atar must be slightly less than t ney

ooth

g it OU

to sel've d ose

load d t c If::; and of 113 t Ci'

t;)

1I. 'T , volt C'l If .1,.

<;) L

t co

aeoonc1 18 n 13 I-i Q

.

t1,p:) a D.C

.

IJJ'r'(~ n t

011'1 n t n 0:1 t re cansi a J:'tlli::l.11 (';')[1 t

00 the beam~ Con t; o:e th tude

aw (lolih Oll 1J d 0 th line ty Vif(~S cansl _d

essen, ti

sawtooth eJ::'atox's [HWe d;iscnssed

p ('.' ., b g 06ci

sen ~3,J3 00 bl::"caLlse o:C ts

ctty an €;las jus t

rod mOl'e d

g

d

t it

n es so

c tLlI'e

no.

onsi

a

eonjunctton v!/l th d t3i

D

I) in to

e ana •

e 0l.1 ub

st t re n d shoVifed ,j.

tllf~

Lf riner

WOtl b t :lz(~ l' nc] d

og the ou

ob circuit usin u double trio e.

ou

,t es n t. OCt u t t

eces I' t~ ,~ dic d t t 1J.8h~

(1 8 d th sj,n

any c

an on b d

Lit

e

(a)

he. 4-1

Cu.-rent 11"\ PrimQ.rj du.e to CLtrr-e ... t in 5econdar~

Cu.rre"t ''1 1'rima..-'j cl4e

to c:.hoke I-ndu.<-ta-nc.e

"P.e$u.lta."t Cu.rr-c:. ... t In "Pr(,.,..,a.r~

1

G ( c

trttll t:J, ]

th its resIstance and Can ro£ore be C 8 dared

t on ui as seen b the v j s t t;

( ::'t eaVltoo nt

t mll

S Cf4US c on urrent to be added to

LUrJ of' 8

en

o:C

:l n u(: o tj.nd

c)o et

dne

1 c

IV _,::.wtooth

t~ i n tn.!') tCtl1 0\1 G ll1'1'e n t j n tnd t(:;.n

in tan t;!OIJ.S u n

,~-IS t tl~1 e

\,.1

C~

J,

!) f) \1

Its ( ~f~ ) _i [I t seo d

t ( 1 1 ( ) ) '\

:L ....

(

( ) 1

J

+ G

ent Ip s n by

Ip

~f

L tp dt

~. C

p

o

---(I)

tp -' Ip ";'- 1m _{) t +}

I

8 in

ow lp tl3

_ 0

:1.

f)

+ 7~

)

o

t t t

(1 we'Ll b

con 0('; C 111' t nn :tng

t 1.S t t o

_ 0

t; i. t n (.; _n .1.c

5.

" IJ

( ' ,!I

)

0 _p • t~

tTl J~tS ~=-' ~ 'i

6 ~Lp

Ip -~ o~ 1m

(" _-' t d be to bu clue ) . "" t,t)

'TO .j. B « .1

J.

13 00

" ,~ J,

n

:i

an ]"

(I)

CIU:'l:'en

~e

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_'.

OG(!

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o@

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un

3

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.

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...

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h"T

...

li tion betv10t;'n c1

Ip

t ( I ) )"

II c:

e en ~. _n

d ng

u

) + 5

t )

- 1 was decided on by on

am power :pent

e

of

g an

on

U'

o

to

t 8 t C)t)

rJ

(

!; lll:n

o:eme:r' Oll IJ t

10 meant t t

L8

f:; Ii

:ith

3

(

t e

pJ:).

n t

ma,

,

t s-..

2) e ~

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~l

(;;l

c on e l16

b

1 q. :ins

.

d in t nCl:Lng 111 J '

I; J

'NIncl n j.G sq. :Lns.

~lJLl8 _t

n:

(j

o.

in . '1910

{3 9

:In

ai stancH~ 1

t (:Hl

c

t n

p

t

yr

V II due to s

V d so volt

129 s

ctent the tube to de ver

ttng th a screen v tuge

B.FO.

t l' were 0 t to e k

ed dnring the d siun. "(.,.)

in _-'. "11 _{L~-I-} , OI'he X' c}

dno d wi seeond

p t d lJ Jl (,,-'

Ie, C!&

t o:r~ :0 lIe b

G

o.

c

0.on6

p

llC

cHtion

to tho

ed

ts

8

D. G • 1. n flo 0 on d

"I!. t

50 es

C$ (0 0.)

be

G

bv

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t·

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3

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P:l

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1;$(1 on tIt. t

t g

wou

cut; t fl

be 1 t; S

e i" ,/ be

be eo:r'ree t10n due e; Oil \11;

b t

n!;'ec1 _for' an int 1 9r' WetS th OttSVl

oyre

OLl U t; t b ng oscillator Lo be red

7 If t p t i I'ov(:;ment in

was 01.1 t

40

ts

and \'/(1)3 ou ut pent e vi

n

t se s on d by

de bt ut; c

cont g t tlon

db It; is essen by-pasEl

80 a

ona

alent

Oll Llt tio

a

t

an.

to p

'G st bu.t I i e

1'0 d ve tll

co;t'l"ect n eo fl modi

I

,.----r-"\I\N\I\J\~H,I

t---~-N

LL_

(a.)

+

(b)

th t Et 1. t18E}d f18

,

c1 (;?nd:lng on

lts onnections. Ie t;

eon s t L!.-6 ( is

C oniTen t on clreuit shown tn F.ig.

7.

+-_{v tlBed to p e t wet I.e J.8 shown}

]Ij.g ..

₇

I'11a sawtoo c tJ.ci tor Gs 811 c1 i ts (Hsc ge

1'e S _{H+ l:tre} no in t c1.rcuit or the blockin

t of' n t o n t c thod

for the oael tor' to be

ono (JC ted,

YO

en t as t osoi was to ise

most conven ent return p t VI [tS o

is g

At thE;! end of' b con

t , cu.tt g

elise

tion

GO

aIle]

t i of' g a l or.

1 or, a cathode input tage p de

p 080t Cl.l~OJ:' the y tniti tin

con

cion

is mutely volt

aud c 8ation with coose ent

e

b

i

s

e ne; t

ctu:>:r'en t

C" '5

cI

pc od u rol tivoly

t PO S

t,rH~ motnf5nJ t tho ng current cea os

ti ael:>OS8 R 6 an d s to zero.

It

is t volt

h p llces tbo pe de o

ng p ect on lin

n g scan and b on madr; ₁

i tanee-e ucitunce eoppling eire ts

f!

e

t di tor'

teet the au ut t

eond:l tiona

OEH] 11

un t 'in

e ni tilt. d

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t

onen

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t

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s 0

n t dan

across t p

t poak d not

the V.D. is included

ion

o

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o

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fTI ~

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j

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uni t; p llce

3

EtW

15,6

on. c ing

OVJS ct e p

trace p od de:!:' t

n

eo an clue II t _P

t £lel'OSB t eol ng wi be tIt 1 'Volt

un t n ds to b(~ i Bt 'Nt tbe

B to ng ". tJ () 1.1 l1.

t e n a

n c1

gh s ):*tJ~ti COll 'be 1111 a ow

bllt n con

on

to

g t

e.

s

CiJ.u.ses osc ani;! d b

t

00 _{t :t}

08C; nHH3 t; be

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la.

11

C

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1

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en i rH t 1:t1'11

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i tttrtlf.:d

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t

Oll

indnct

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t (1 j

J, )( _K 16 6

1\

₃

2

1 {3

" 1 t t~S(:;c s

digs at d is heperore

p ₁

_..

₆₂ )( 10-'3 _>< 1

cnve :p was ani! t;,l nltJch more

powe:r' c

all(; tanc rJ

ey eire

c

ou tl

:ire t ( g

Po:e d

OndlleGS !::l.ncl source t;1'8Xl

].";!l)t eir-cuit

:ee t

'1 (b)

tel' the retr~ce pc

, d

f).n c1

1 (0) )

U'

b

e

p J.B

1--.8 t

t scan od

b

the inear t durin !J.n t t i.

iod be conGuctin durin the

s dne 1n

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un

on 11.0 t

cancl n t t

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s c

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Va :ls cu, b t

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of' one

.L \ _{t..) Ettie} 'I i _{; n}

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ont 1

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aired retrac int

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').

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t

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SEH~on d

d

t on ue to

D.u

s don o c ted t

od to

anr] BeClon

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ce

at

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was

t av

is end

n 1;1

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eont

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t

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Lh D C. 290

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ac 1:'08 the e

ee'!:;. 180 (" t,)1 s tneEtS

c: Lu'x'et.l t

t

c ltane

t

st

t )

The pentode used to

tage (:tn plw;o (Hod in lill • 1)

I·.r

Lolil n most eye

voltage of'

t

'W t IlO t 0 nCling

;5l i.n

to monico!' '!; t r'os

c t g 8 to d

de t b Lwh

FrU:::CULENCY (k(l CLRRENT (rn.Q.)

I

30 9·5 i

32. 9,4-

_I

34- ",.2.:'

36 ?<L

38 9'15

40 ? -15

42 9, ,

44- 9·2..

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4-6 9· 25

48 7 .

4-9· 4-~~--r--"-"-"-+-""~"-+---;---;~l¥--I

I ("',,"")

9-1

To Sec..ohcLa.r:J

81

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e b('l

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r---,---:-~H.T.

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l.

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e

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(a. )

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ld)

F,G.

5- 5

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ty control tg obt

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D.C

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s

£1 t tl14S accontu.

on

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t

t is c

80 t j, t

~

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a moo urn t

:1.t;hlB

d and

cion t to lc/.:; t

by

edall(~e

t

'I { to I

and any

flP ,-,,11..)

t llf'l EJ

t

X' i

~---r---~~~----~H~

FIG

5-6

oV'e1' rno t at lIne-Oll l} 1;

I; 0:(:' _{ng ty}

ttl Et _{at.ion of'}

011 _{1 e t}

e ape

e. I"

L

d

1.1 i mos _{i'f'O t ~}

f con _{ty d}

fJ too ut _{on to n}

can on

_un

_{t :ls}

g

₇

g t d

vol ss t ot

not t due 0

o

>

)

C

• .-1

c

f

d

« .• <='

; 0

e b

d by

;30n\:;

i e

oel.

1; :1. s t

~I n

c

II; vii 1

zan 1; cl ction u.t1it

n

b

t

ng

be C1

l ng

(V o

tj P X' 0 clu c e (J

po i one it is eCGssary t

eJl cl b an n g fJ eon 1

:t ni mon t

t n untt and,

t

0

,}~ [,

t t.t on 0

poter)ti P.j, 'tC)

tc

~J

+

" CtJ.p tor'

()VV

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:l:e

(lG)

p

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UCin 10

own

() 00

n the

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R

CR <.

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t

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A-r---Lt---'!---

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he

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FIG-

b-

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ll-D

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n

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i.

11

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ng

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6-7

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n

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e in the ev t or

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sean on€'

to the

. surround ng un anned mo iao in

g in con sl~

01

anode voltage to zero n t n (:l mDs ac at

t the c nin b am rom

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C tl

11 ,

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m

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on

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rJ the

n in

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