GR Exp 1970_01

7/23/2019 GR Exp 1970_01

http://slidepdf.com/reader/full/gr-exp-197001 1/12

TH

ExperimenterVE

ES

JAARY/EBRARY 7

CMVPF

- _

C

2 3 4 5 8YEARS

www.americanradiohistor .com

http://www.americanradiohistory.com/

7/23/2019 GR Exp 1970_01


VOLUE 44

THE �ENEL ADIO

ExperimenterNBERS 2 JANARY /FEBRA R

The Economy of Computer-Contol Measeme .

"he old ode changeh .

G 79 LoiCc Aayze ..

Syhei at Hghe Fueie . . . 1

e Genral Rado Exp'mntr s aied wo carge toegnrs scentsts ecnicias, edcators ad otes ierese inte nsmes and tecniques of electrica and eectroncs meas-ureents Addess al corespodence to Edto Gn Rdio

prr, Geera Radio Co Wes Concod Ma 08

© 9 Genral Rdio Cmpay, West c Ma.,

THE COVER should ict to al ad tht a doas pov th prof il

ty of vtg n mput-otol logic ciuit tt.

ccodng to a orast by the U De

te of Laor, ss ealy n 1970 te

vc ad sks of eirs a -

ncans wl ontie to be i v demad

duri te ext decade. e ae of gro ofdema coeaby ca e twce that of al

workig ppe

The dertmen fore a stage n s

py of tis ccal grop ause of te de

cs enoen i egnen std. A

detern effort u e made o te par

of ius o pgade al thnca and mi

tncal nne o ovde more eficient

pomance thy eng o o te gap

between anwe ns a maw a

mpsents.

e rsk o sta e oious, we wod ike to ste to or rders and te

anagers te e aso o ade te se of

acines a te n emv, e

lsig the man beng s fo oe esnia

plani a t kng tasks I s fo is very

rason ha comies ke eea adio e

cely ave devotng ch of the re-

src nnovaton a development talents

to e podction of auoatc t up

en tat w reieve ica pe

fo repeitve and tous tasks . s wil

peri moe consrucve ad efficiet se of

her aties.

e s anoe basc rson o usng a-

cnes: Iustry fids tat ay appicatons of me cool otne asks

ve moey aer te short peod of ime

rir to rn back s appicaos te orga capia esten toong. Too

oe, oweve the men wth the song

nstit to do ts btte, as ad oe

efciety do hae suiciet backgrou

n fce o convnce anageet o the ·

maewisdom of spending oney, a me

t los o f t for macne asssace t is to

he we ave address the first acle n this

issue

hog the ys of cng feow

workes te ways o appoac h nageme

for pital fnds, we ae found no eter way than o preset e opo n tems of

the poaliy of yback in a comaraivey

sort te wth rlizabe pofis folow

mmiatey. We hope ta yo wl be ale o

apply s princile to yo own ocuemen

poblems.

Wte

dtor



7/23/2019 GR Exp 1970_01


he conomy of oputrnrolled Measurents

ntdctio

ls your production schedue imited by manua tests o

items competed or in process? Have you noticed that your

inspection peope are unabe to retain efficiency as they rou

tiney and monotonousy check, check, check? Perhaps

you've begun to give some thought toward changing your test

mehods, revising or repacing your od test equipment, and

improving the eficiency o your ispec tors. The idea of em

poying computer-ass ted test equipment has been in your

md or some time but you dont know how to justify, to a

hardnosed management the costs of the added aciitie

Your probem is no diferent from that which faced our

poduction engineers at Genera Rado some time ago, when

hey decded o change om manua to computerized po

ducionest opeations We thought therefore that a short

dscussion of the techniue used by the engineers to convince

GR management to fnance the change woud be of intere t

and vaue to our reader The exampe given u e current cost

and testrate data and are presented or di fferent quantiie o

dgia ogic boards to itrate the appcation of the tech

nque

Why ic nsidatios?

he engineerng deciion to use costy test instrumentationis not very dificu nce t is u uaUy based upon technica

con ideration ony. The fnancal decision however, is usua

y made by an entirey dferent group o peope, continuay

aert to the materia needs and operating co ts o an organia

ton Beause of the abilty o echnica and financia minds

to crossertize each other and to reach a common under

standing, progeive indu tia organiations orginated a ra

tiona approach to capitaiation o aciities severa years

ago hey naed it "costeectiveness and it became a use

u management too More important it orced production

engineers, in need o test euipment, o speak the anguage of

accountats and broadened the appreciaton each had or the

other ngineers began to speak in tems o tota investmentdiscounted rae o retun, depreciabe e and tax shieds

Accountants became equay appreciative o component fai

ues and faiue rates o abor time to maintain equipment

and to inspect production components o equpment inter

aces and sotware and of precision o toerances

Anoher advantge o this crosertation o ideas was

to change the focu of managements ttention om what has

*s pld to cnt nd pl ton f t R ogic-icit nl dscib n

JURFEBRR 9

been invested in eupment to wha shold be invested in

euipment. Yesterdays investment decision resuted in av

ings we ae eperiencing today, but can a new investment

today resut in even geater vings tomorrow

hese tems and techniques are iustrated beow as they

might be ued to cacuate a cost-efectiveness soution to the

probem of stng digita ogc boards soution was he

GR 1790 Logic icuit Anayer The typica data used are

based upon experience with GR ogic circuits constructed

with 2 o 60 4 or 6pin dita I s on printedcrcuitboards

Od Way

rior to the instaation o the GR 790 ystem in our

manufacturng acity, we used hardwired tes ixtures or

each board to be tested reparaion of these xtures re

quired a design and fabrication peo d o o 4 week per

board, normay averaging 2 weeks est time using these

itures were reasonaby short (5 to 0 minutes) but the ack

o signicant diagnostic iormation resuted in troube

shooting and repair imes o 20 to 40 minutes

Tota costs or ths approach are shown beow assumng

the mnimum tm gven above, a uantity o 10000

boards/ye made up o O dierent boad types, and a boardaure rate o 3%

WIH ORII ES FXURESPreration:

0 yy wkye 4 hk $4

T

d mnbd hmn 4h

roublhoog and Rpar

3333 ejec d �hmi 4h

oa

Fost

$

333

4444

$3

Our production engineers estimated that, after introduc

tion of a computercontroed test system, preparaion o hetest programs and test xtures woud ake 24 hours per board

type Actua tes ime per board, by reativey unsked abor,

woud be 0 seconds Since reected boards woud be accom

paned by a toubeshooting pinout from te computer

time to diagnose and to repar the reects was expected to

decrease rom 20 minutes to 2 minutes

1 Fcnb mntlld t n ndlbl

and

cnl wtut xt ns 0 t ng Jn 1 9 9

3



7/23/2019 GR Exp 1970_01


Bsed upon hese esim , coss (in 1968) we

led:

OERORO S SYSE

raatio:(0 y/y (4 h/ 400h 800

s

00 bd/ 30 /d 60 X 60

/ $6

roubhoin and Re p 1(100 X .33 bd/r 2 /bd

/m) 400/ 2640

o 8

Hn h to dire-abor ving md possib by u of

he compurcorod s we esmd o be

$23,777 7,578 $16,99/. Mgmn pprovd

h isio r revwing he e fgrs d sudying

ndsow sis siir o h o Tbs 3 d 4.

he New ra

Us o h 790 Lgi irci Azes i h mn

frg ciies oirmd h podio egs' foe

s h prepron i ws sigi edued, sine

ol smp meh n d e owe esprogrm were rquired fr ech ew devi. Thes re or

ml prprd i \2 ds depdg pon h copxi

o he bord o be ed d, in ou expeiee, vrgd

dp. he ul me ws reduced o eod ,

bu h m rred o insr d remove h bod bing

sed kep he o s m vege o 3 s od

The G 1790 me coveie e icusio o digosic

sgg ios n he s prog so h roubshooig im

my s b rdd. he e red, howvr o effe

rpir (rplc n C, remov sode bidg, c p h

roube hooigrep im o n vge of 6 mins.

o oss or s uniis u d in he fos o

geen re

GR 17 OGIIRI ANAZER

rpratio

0 p/ /y) 8 d $/

s

(10000 bd/ 30 /bd /3600 h/ $2

$ 6

167

s d

3333 eje/ 6 mi/re j (6hmi) $h) 333

o $

Rvl uskld lb ost 99

abe Tyical Annal b Savi

(Bd n GR )

of bd 1 0% jc 50% c

Bd/y 50 100 500. 50 00

H, o direbor svngs md possbe by he

G 7 90 in his exmpe re $23777 $3,00

$20,677ye

pic iies (d hece he bor svigs wi

obviousy diff ih d ry d prod Tbe gves hue of u bo svings fo 3 iis of bod , 3

umbs of di ypes of bords, d ie pece

ges. hese igues re bsed upo he sme re ed i e

preedig xpe

e svig i bor oss s oy one ccio i h

osffivnss pproh. l s so mpon o osdr

h expss d svgs over peod of in o ocrn (h

sh ow d o disoun fu fds o ec heir pe

sen vue**

he obvios iil xpes i h puchs pi of h

sysem ddiiol coss iude ine sp dig ri

ig couss d cuirg profiiecy wriig s pogrms

d usi sysem, ps om oprio d miece

s .

e bo svigs ued bove r edud by h 50%

Fed opo x e, s re or ier expnss nd

svig Icudd o vings id of h dger deprio, ocs xpese h s s x shd ysis o

h dpio of he G 790 ppers i ble 2

b givs e fudsflow sis for egher pei

od h Oprig Advg is sow he boo of

h um. b 4 psns si of h fudsfo

f xs o e sm igr piod. I s obvios fo

b I us of ger ubr of diee ps of

ords or rgr iy of bo ds wod sigiiy

f h fi uio. or xpe hs stud hd bn

d o 100 differ p of bods isd o 50 h

Pybc Prod wod hve be bou 8 mohs d h

Dicud R f Ru wd av pi

50.

•• f c i i cil t t imlu m

500

Tabe Deeciai acuai GR 1790

Sum ee e)

OgiI $3200000

$2800vg Ul f 8 y

Decb :

50%Year Digts pcaon Tx Shld

6 8/36 $ 6,00 $ 3150

170 /36 00 20

11 6/36 00 30

12 5/36 4000 2000

173 /36 3200 600

174 3/ 2 00 120075 2/36 0 800

1,000 4800 $2200 24 200 ,0 4800 16 /36 800 00

$2800 $2010000 8500 3200 800 22200 3,600 00

100000 5400 6800 85000 2700 1000 222300

4 L xim



7/23/2019 GR Exp 1970_01


l uFw y y

1969

EXPENSES

sh Outly (Prch) $2500

s Inflow Savge

odtion E$00 fs r, $500 tr- 5 0% x i

i te c 500

Total Es 3300

SAVIGS

T s t/ Repi r bo ngs 1038

50% Ta Sd}

Depriation 50% ax 350

Sh fm b )

Tot a i gs 3488

ET OPRANG ADVANTAG 2,12)

Tl

FuFw x

Yr A ul u

99 00 $2002

97 23 764

9 9 464

97 588 85

97 88 70

974 088 37828

97 088 486

96 3988 604

Pyck = y

Dcu R o Ru= 5

Pyback

0.3

09

0

83

6

48

.9

970

$

250

500

70

10 38

50

3088

23

A tandard discont tbe ued to ccut t DicountdRat of u wic s % Ti percntge c b relt to corrt go or rtrn o ivtment to cren out underlerojct o rog

Aternaty, ritrr co dcunt rt hi pproxi-t te dird ntrn rt o rtu c ud to dicunt thcs o e Pnt Vue f a rojct s u ot dcutec o; oitie ent u inc prftle rot hagiud ret le o rojet cn e rtd to tht othrroct to o ngnt to mke coice beteen progrme r ibe fnd.

Fo tho of y a ot fam t flo d

o a ot xplaat. W av to te

t vale o oey Be o t acto p (aotlos of o o of te cat b diy mpit come ( ifo o at po_ o

t tt te mey toy b t to b a r ad toe l b ot m t te n of t

y nt y a sc y tht te ey et At ot t o % t

JANUAY/FBRAR 90

9 92 93 94 95 96

$ $ $ $ $

(4,000)

50 250 50 50 50 50

5 500 500 500 00

70 70 50 0 50 30)

08 0338 03 038 0338 0338

50 50 0 2 800 4

688 23 9 53 38 073

9 58 8 088 , 38 3,9

� 0f �� 2

10

Nt lt at eof cat t

�

-

.

>� IOk

:

a0

:

30

.

"

20

76

-

�

K

RGAL PETIN

Rt tUS R 179

969 2 5 6

y fom is tto toy/33o5 snt V of t a te ya : 7 5 T

diout ate co is ly t i n �n

u it s vaie to es -

il s of fcit qemt ept of tk y

D Hll o Gea Rdo to t Eti -t , Oor 4 96 ett "Pni mts -c a Domet.



7/23/2019 GR Exp 1970_01


Ote Apitons

A Genera Radio, the GR 790 is so used n Incomingnspecon r funcon es of l dgl I C's T inspecion has reduced ou fiure re of s n pined circuibords rom n ni 4-8% o ess thn 1%. Were these fguresincuded in he cos-effectieness anysis he case for heGR 790 woud be een sronger We did not howeer in

cude hese gures the bove exmpe since he primarypurpose of he GR 790 is to est nd roubeshoo a embedogic bords, nd becuse reey owos dg esersre ibe. On the oher hnd he increasing u e of MSTnd LS circuis in sandrd 6 and 24pin packagesh creed ddiiona esing requiremens ha cnnot be me byowcos digi esers. he ease wih wich he GR 790mkes these ess ssures redy cusomer ccepance even nis I esing roe And of couse pined circui bods huse mny of he S pckges are i urn so much morecompex ht he reducon in es and roubeshooing imeproided by he GR 790 far exceeds he svin depcted inhe empe above

View of te Mnufctuig Mnar

he pnning and foresigh of he producion engineeswere jusied on he bsis of impe doa-ndens nyses before nd fer he fct. onsequeny heir view ofthe word hrough osecoored gsses coud be excused Buwh bou he mufctung mger co e o he ssemby ine and coninuay ert o everydy pesonne reaonships? i recons o he sysem were expressed somewhike hi: he tes system ie ny expene oo hd omee nmr of ba i reuiemen . did he e inudedee of operton y normy sed mhist/echicns.

he sysem ompeey efu am rom he momen�f sttion fzton/trn me nmum. he tes cpby of he sysem brod sufieno perm chne of nerfce equpmen rom omponenesn o emby esn n ery shor peod of me.Vendor erce suc romn dce or de onn rumentton mpemenon connuy vibefrom nowedgebe soure

he posion of he mnufacuring manger at GR is nonecessariy he sme s h of a mnufacuring mnge anoher compny In his case however rue endorcustomer reionship exised becu e of te compexy of design and ppiction probems onsequeny the souiono e personneinerfce probems beween manufcurngnd engineeing were worked ou smoohy and in fac becme he bsi for e progam of serice decided upon ompemen he es of he sysem o indusr a large.

nlson

n mny wys our experience in deeopmen and appicion of he GR 70 suppos he heme tha innoiemeroogy is in fc he key o idusia progress* ndusr

cn gain immeasurby by new wys of saing ime and reducing co s and by new technooes nd heir ppicons

The teme of the Staa Laoato ofece o-oed te atoa Coeene o Sta aoatoi, sIovatve Metoo Ke to Pos

The do o o o he ei oin i ice o P H Goe R E. Adeo d R F Bol Fincingetl wee ve d end b H

"he old order cangeh

As companies row od perns end o chnge. Our nternation Dison i cureny rowng a rapid pce; were progre siey a uing more nd more direc roe in oures brod nd od markeing reaio p e dis oving

n urope we are e bishng our own e ubsidiriesand we hve en oer from od nd aued riends he ob of

eing nd servicng GR poducs hus in 194, we esbished Gener Radio ompany (U.K.) Limied and sdgood-bye o aude Lyons Lmied afer 27 yer A of hemidde of 99 we purchased he GR segmen of Eabissemens Rdophon our French oue for oer 33 yeas, andrechisened i Gener Rdo rnce wih Pu bricnemporarily sayig on s Presiden o ease he rnsiion

n seing up our new ubsidy , Gene adio laS.pA. nd bidding frewe o Ing S nd Dr Guido BeoS.rI, we gain brin o concu o a ong nd fruifu coborion. Dr Beoi and fher before him represenedus in ay for 37 years and wil connue o mnufacure,under GR icene ac ® uornsformers.

We he expanded he coerge of our Germn subsidia,Genera Radio GmbH o he norhern p of Germany aswe s the suhern T brough to cose shoer scaion wih Dr-ng G Ussein bu one h hs heped sigicany o expnd GRs mrket in Germany

n ain Amec we he worked r 29 years hrough heexpor house of Ad Auiema Inc n fuheng our obecieof esbishng s direc conc s ibe wih our cusomers we re now moving one ep coser o hem by repac

ig his chnne by a nework of represenatives drecy responsbe o GR o Caos Auema who wth herbefore hm has been our coegue nd fend we must nowsay goodbye.

hee genemen ude yn u cn Guido eo Dr Gner ein and aros Auiem have a been good friends, s we s business asies fG We wish hem we n heir coninuing pursuis and hnkthem for ei conbuons o Gener Rdios successes.

D B Sincir

xpeimente



7/23/2019 GR Exp 1970_01


GR 1790 LOGIC-CCUI NLYZER*

GR DEFIED

The GR 1790 Logc-Crcut Aa

yze s a coputercotroed fucoa GO/NO-O and dagnostc test system for logc devces rangig fom bascp nteated crcus to assebeswh as may as 96 puts ad 44 out

puts. The syste performs up to 4000tests per second and yeds a GO /NOGO ndcato ad a typewrten orscopedspayed error me sage

urchase justcato is easy.** Savgs are stressed the pocss of pro

amg and the eady adaptatyof est xtures Te t proams are wrtte by teccaeve peone n

uch less e ha t takes to wtemanua test procedures ad sty toog s eated by the smpe and ex

be devce adaptor twee the testerand the tes ted. Testg cos ts are ow be

cause of the speed of computedrectedtests ad troubhootng costs can e

shrpy educed by he ncuson ofoperator dagostc structos the

tes prgra

The smpfed test aguage deve

oped y Genera Rado can be learedn ust a fw hours The ere test operaton s haractezed by speed ad efcecy:

. Te operatr wrtes a est programcosstg o sple staeent of he

•Abstraced fom peial bhue avaaben rque.••ee age 3

JAARYFBRUAR 97

nput ad output cotos of the crct to be tested.2 The test progra s converted topuched tape on the eetypewter adthen s autoatcaly rasaed to amore compac form; proammngerors are deected dg the transa

ton.3 The tes progra s entered nto the

compuer va the ghpeed ape reader.4 The test ccut s coeced o thesystem y a devce adaptor correspond

g o the pu/output coratoof the crcut5 The operaor presses he ART ut

on on the cotro pane

A tesng the procees automaica. hou a fau ccu he peator ca troueshoot meatey orcotnue to test the reder of the

deces savg the repar wor or aterThe fve steps aove appy oy

whe ew es proa rqured. Ifthe test operator receve a new aufacug u of a preousy tested devce oy seps , 4 ad 5 w e need

ed therey ehancng the speed andsavgs eatures of the GR 790

HE PHYSCAL ORDER

The sadad syste componets ofthe GR 90 are• Coputer wth 4096 1b words

of 6µscyce core meoy• Iterface system• oo pae.

Power suppes• Teetypewter wth eyoard tape

reader and ape puch

Photoeectc tape reader.• phauc spay oscoscope

• oc probe.• Devce adaptor s.

Optos nclude a rack veso addtoa eory and pograaeogc eves

In both des cosoe ad rac versons a coros are wth easy eachad otorng ndcao are eady

se ( gue 1) The GR 90does not

(

- :1�

� 190 OGIC C CUIT NALYER• ERAL DIO

8

F 1. Co nl ay

7



7/23/2019 GR Exp 1970_01


requre a special, controed envronmen

Costy tolng es xures and

docuentaon are eimnated snce

each cicu o be tesed requres nly a

devce adaptor and a tes proam. Te

devce adapor accmodates mst

pysca configuratons of est ccus

and is locked n pace n a reces n etop of e consoe Adapors proded

wth wre-wrap pns on etched boards

can be wred wth a varety of nnec

tr an can ncude addona conrol

funcons oads ocleve conver

sons or any oher crcutry necessay

for he appcaton at and

GR 7 TS AGAG

A igeve es langage enaes te

uer of the anayzer to wre es pro

as wthout reqg a nowedge of

coputer proamng Ts anguages descrbed n dta n e peca bro

chue A fw f te any features of

is test language are noted belw:

Atopro9rammn9

I s no necesa o proam the

output oc saes of e devce o be

tested Te GR 1790's Autpoam

g aure enabe a nwn god

reference devce o prvde ts nfr

maon to the syse After automat

cy dubechecng these outputs

(aganst a second nown good reference

devce f desed) te compter storesthem as a pemanent pat of te es

poa Hence no reference devce

ned be kept on hand dung te acua

testng

oma Graon o e

By defnton ny copleey com

biaona oc ay be tesed wt an

arbtrary patern of nput stu Suc

logc ccutry may requre as any 2n tess a device wth "n nputs

The G 10 EQU C stateent

emnae the eft te roam

ng by automacly generatng a se

quence of tess wh a comnaton of

he speced npus he outputs of a

nown god reference devce are

stored y the toprmmng feaure desbed above se of he S

Q C atemen resuts n an e

tremely smple progra (

Dagnost

he GR 70 tes anguage fac

tates cson of daostc informa

8

(2,35,11,71,1269,8)*(361,6982)

SEQUENC(35,12,71211,.8,69

/NPUT SPECICATO SAEMENT

/OUPUT SPEIFATON SATEMEN

/STATMEN WHCH AUTOMATIALLY/NATS A SEUENCE O 4,96/ESTS WITH ALL COMIAOS OF/THE LSED NPUTS

E

B

(13,81719)(1,2,37,626971,9,51 Hl,,7( 381,19)$

GNORE37,62)

I(372

PR HANGE 1!

PAUSE 2Ll)OL(#)

33H13)13)$

IGNORE (971,9,5,2)

9)4

CA 7

;

DO 531

5;H )$

51IHl3)$

52;(1 )$

3L(13)$

7$PRIN ATACH CLP

O 3 THENPRESS ONTNUE

PAUS 9

71;

78RETURN

END

EN OF PROGRAM

/NPU SPECIATION STAEMENT/OUTPU SPECIFICATIO SATEENT/SE INPUS 1 5 A 7 HIGH AD 13, 8,/A 19 LOW DON' CEK OUPUS$

/IGNORE "A U OUPUS 37 A 62

/F OUTPUT 37 IS HIG H AND 62 S LOW ESRD/RES) TRASFER TO TEST 2

/INORRECT ESUT, SO DSPLAY A MESAGE/O OPEAOR O SOPE

/SSEM PAUSES/LOWR IPU 1 AND ES A A OUPUS/AE OW

/SE PUS 13 AND GH AD AL U 13/AN LOW/GNORE AL UT THESE OUTPUTS/IF ALL BUT OUTPU 69 ARE HGH AD 69 S/LOW RASER O EST /CA DIAGOST SUBROUTE BEGNG/ON ES 7 AND RETU HERE

/EX ES

/DO OOP WHICH REPEATS HE EXT EST/THROUGH TEST 53 ONE URE MES

/DESRE SEQUENE OF PUTS TO E REPEAED

/DUMM TEST - EGIG O SUBOUTNE

/AGNOSTIC ROUTNE USES OPERATOR

/EVETO

/SSTEM PAUSES

/DAGNOSTIC ROUTE

/PROGRAM RETURNS O OATION FROM WHIH/IT WAS CAED

L xemete



7/23/2019 GR Exp 1970_01


tio n he est proam When falures occur the program a ransr o dagostc outes or dsplay messages o the opeaor suggestng poss ble remedes Some examles of agost tess

ad other testlaguage features arectaed samle proam B

HE END RESULTTests of rui boards at GR's Wt

Coord faly sere as examples of

appcaons of he aures descrbed

on he reeding pages The fat hat these boards (and may others e them) ae now beng tested n olume

o the R 90 and norporated o oher R srumets s estmony to the speed eoomy and effectveness of he LoCcuit Analyzer

The frst sample board gure 2

wth 0 us ad 6 outpus ossts

of 0 ntegaed uts ad 22 dscre temets fucoally wo 12-btbary unters oe 2bt reogo ru ad sx saereogo rcus) he programmg tme requred

ths board was 2 hou Decadator preparaon oled oy w

g of a blan adaptor whch took 30mnes The test rogam conssted of293 test staees lus oops habroght he oal mber of ess to30000 he oal es tme was abo 7

seodsThe followg examles are bref

looks at other u ts of ayg omplexy

The board Fgure 3 has 26 nutsad 26 outps assgned to s log poro The logc self s mply 35 ert

ers oaed wt ICs Proam

mg me: 30 mes Deeadaporreparao me 30 mues to wre ablan adaptor es saemets: 25oal tet e msecods

he ex example gure has 1

pus ad 8 oups ad cosss of

27 Cs and dsrete omoentsfunoaly deodes a 3bt bary

ouner a bt flpflop shft regsterwh paralel ouput ad 5 read gaes) Pogrammg me: 8 hous De ceadapor preparato te: 30 n

ute o we a blak adaptor Test atemets: 1 wh loops he otal boardcheck osss of 293 ess Test me80 mlseods

he fal examle gre 5 s a

rotael assemby sstg of 7BCDodemal onerters 7 decaldslay tubes s JOposto thumb

wheel swches 2 ddt pushbuto swches a 8 posto rta swthad a ddt oggle swch he ael 32 ps and 63 outputs Pogrammge: 8 hours Deieadapor fbrcao me: 8 hous o we a bak ada

tor ad o osru spe bles fom

anel o adator Test staements: 88

es tme: 3 mues clung e forhe operaor o reset coros o the as sembly accordg to sopedslayedsruons

Ld s in the esgn of e GR 179pootype syste were play by R T Cv

kovc, M Fctenbaum W Wntae a C ynn with R G F a D. NxonJact n airy paiti. Deveopmen o the veson eibe n the ar tce pimay t pon e soe oF ic htebaum P A 'Entrent, P HGa JB Penne.

mee efion fo e GR 1790 ae n G taog Uaabe hoty an a a brore aabe on qt.

Dpon

1790 Licrcut Anlye, onoe vion

Oton Ra VeonOtion 2 Addona MemorOion 3 abe gi eve

1790-9601 Dv Adaptor Kit wo hofor t 72 n-72 o

17909602 D Adaptor Kit witho hofor e 96 n4 ot

17909603 D Adaptor Kt, with hoe fo o 72 in72 ot

170-6 D Ator Kit wih ho fo 96 n o

Pcen A

$500

(no ea harg)d 15.d 50

15

1

•

.

Fge 2 T me: 7 for 3000 tet

Fge 3 Tt me 0010/oar

Fge 4. T me 0.080/oa

i ubj qi diu Fge 5 tme (ning ontro eet 3 mn

970 g



7/23/2019 GR Exp 1970_01


SYNHSZN AT HHER FREQUNCS

1 eqe Steze

A B of hopy

The cosa pressure of compeiive eterprse does't ecourage complacecy i the mrket place e e daysf we metio that he midnigh lampsglow frequely a R is o a joe!Our desig egieers ae heir proecs

i dead seriousess ad are uder costa pre sure o ovae or o provethe exisg R e of isrumes. hesmig faces our readers e o hepoographs o f egieer-autors wihite pages o he pemete usuallyreflec he pleasa ens of accomplismet whe a project is complee heulimate est of ompeio, however acceptace of the ew produc by thepublic based upo echical peformace ad ecoomc co

Co to the cosumer has weigheddu ria desig cosderaio very

heavly durg he pas few years adshows promse of eve more ifuecei the decade of e l 970s. Wit theseacts i md it peasat to aoucee avaiablity of aoter R srume desged r the ecoomymided customer he echca descriptio of the R 1165 FrequecySyeszers wic olows does otemphasze is low cos to ay grea extet if ou readers are mpressed bythe specificatos ad feaures of ssyhesizer the price iformao ate ed of ths aticle wl be a pleasat

surprse

A i of nformatio

o the syheszer e syhesizerca be employed as a heerodyg oscatr for a radio recever or it ca ethe drivig source or impedace ortrasmissio characteistic measuremets i a computerotroed auomatic tes sysem Te syhesizers ae

deal for measureme of sigalsourcesaby ad ey ave oud exesiveapplicao i ucear mageic resoance studies

h e e w R 6 Freuecyyhesiers exed o 9 9999 MHzhe frequecy coverage of he R 60seres previously aouced he uitsare remotely programmed by u e ofBCD codig ad are supplied i ma erad slave versios

he maser u coais a precsioquazcysal maser osclaor opera

1Apicn r hrn cad r-

qny yhzr GR rprn rm N3218 vaa pn qu h Edr

0·)�"

X8LT' J

' " > $DVU

T

�

- lVC�. ou1 M(

f2 I CS

g i a temperaecotroled ovead ca be locked o a exera frequecy saard or greaer pecsio de red A fropae warig gh g a Is alure o Jock o a exeralsource Provi io is made o he maseru t f or maitag power o the

crysal ove by meas of a exerabaery i he evet of ac power failurehe slave ui requires a exea

frequecy drivig source provided bye auxiliay 0z oupu of a maser u or ay oher precsio or10MHz source. ch save u also asa auxary z outpu deved directy from is ipu; t perms ayumber of save us to be cascade he firs u i he chai is drive by aexera source

udametals of he devaio ofthe syheszer oupu have bee des

cbed previousy2

he R I 6us oe osclaor uses a 3decadescalo"N haselock loop o provde000 seps of frequecy seleco sechque provides co iderable vigsi space ad poucio coss as compared with he prviousy u ed echue of a sigle decade of coro peroced oscillaor.

A Reve of Some ha

ace

istcs

• Locay or remoey roled from H to 99999MHz OOHz seps

y , ., Jr Cn d Fr

u cy Synh xrrptmber

1964

4ZJ

· 3

8 l I t OH1 U[ TP

r

I t 4 ! SC S

e reuecy syesizer he uver al sigal source for al applicaiosrequir accurae programmabe equecies ypcl is heerodyg hesyheszer oupu wih aother sialcayig ieece for rasmsiova radio frequeces or applyig he ieligece direcly as phase modulaio

ge 1 GR 15 e bok gm

1 peete


7/23/2019 GR Exp 1970_01


• Auy outputs a l MHz and 0Hz.

• Logic leves re +5 V fr ogc "Ond +5 V or ess for logic , o faciitte interconecion with oher G R instrumenation ogc contros

• A poam les inain logic "Ou he externa crcui is grounded.A mamum cen of 3 mA to goundis requed to proa ogc " .These ogic leves are comptibe withexena DL or IC gaes or inveters; a imple exte change using Cinveters, adapts the un to postiveogc-eve ccuit

• xternly controed freuency eection u 124-8 binry coded conro

• Cn be phae moduaed up o ±3rdins a rae from d to 3 00 kH upo ! rdiana I Mz

• Continuouy energized quarzcrys a osclor oven manain masterosclor abiiy of <2 X 0 perdegree Celsiu in 0

°o 50 C envon

ent nd X I sbity per day

afer one-month coninuous opertion

• Phyic height of reay-rc modess ony 3 � inches

W F Byers

GR 65 deloment wa by a egieig m coig of W F yr C C Eva, G. H Lhe, Moya a P S u iva at y A E. a d J a, ad d y A Noy . • Goupeade

m sciios fo the G 1 65 a G ao U aab soato ce

Numbe Dio USA

1 15 Fruency Synlz mas eso 65-9720 Bench $9 65 -972 Rack 9

6 uecy Synier, sae vsi

1 59722 Bc1 65-9723 Rck

prics subjet o qanty dct.

he introduction of new coxia capaciance sandrd GR 405A (20 pF)nd GR 405- ( O pexendshe exsin GR e of coaxil capcincetndrd . ow vbe re unt ragg rom &r o 20 p terminted ihe GR900 precsion connecor Deveopmen of e new capacitance sandrd was he reponibiy of ZorzyGroup Leer of the GR icrowaveGroup

Ate gaduati om Oo Sa veiy

ih a S d W F ye jo G

a o 3 a a develom geey e i Gou d t GR Sg

a-eato Gou H i a So eb

o EE E ad i t a a oio

egie i ahet

he G R 5 222 fferentia rempier provides for operation of theGR 522 Recorder o ugroundedgna surces Its differenia input whnde wide range of voage and curren measurements. Commonmode re ecion up to 80 d is feaure inputs up o 500 vos he preampierwas deveoped b y Steee develoment engineer in he G R Acouics/ign Anaysis Group .

om s cao above us a i tao Ua i ab so

he trend towrd miniaturzation oftest equpment is exempified by henew GR 436 Decade Reitors viabe in wo vlues: 0 and 00 , wih maes eps of nd 0 respecivey n ddi ion co ntro by coneent eve swices factes rpid djustmens Concs remde of solid silveraoy he unis ofhigher reisance vaue are wound withEvanom* wre he units of ower ressnce vaue with Mngann wire

o h modes of he GR 43 are avabe without cabines for cusom inaltions inques re invied hysiclsize of he new units is 8- /2 37 /8 X

85/ 6 in (220 X 99 2 3 m m ) henew resiso were deveoped by W. sanier developmen engieer in heGR Component and etwor eingGroup

taube iio

i SA

"Rgstd dmk of Wi BD.• R gd d mr f veHi o

JAURYFBRRY 9 7

1 43697436-971

1436972 436973 49741 49731 2292

1 46M Decde Reor , 1 , 0 Bc dac d

14-P Dede Reor 1 1 Bc dac o

14A Caxi Capane Sad ad , 2 F1405B Coaxa Cinc Stndard, 22-P2 Difeen Pmfe

Al cs j t at sco

$22

22

88

47

1



7/23/2019 GR Exp 1970_01


ALBURQU5 2-17

ANCHORAG 7 2795741

ATNA 4 6363

BOLON 61 79-5562

BOSON 61 665

BRIDEPOR 03 31

BURBANK 714 540-98

•CHCAGO 31 2 992

°CL L AND 6 61

COCOA BACH 00 241 -5 22

•ALLAS 21 4 637-2240

GENERAL RADIO OO. AAH 08

6 3

SES SEVC E

DAYON51 3 434-6979

DNVR 3 449225

D TROIT 33 26 0

GRNSBORO 91 9 24316

GROTON 203 445445

HARFORD 03 496

HOUSON 7 1 3 46- 5 2

HUNTSI L 24-5 22

NDANAPOS 3 66

LON SLAN 2 930

I NTERNATIONAL DIVISION

•LOS ANLS 7 4 540-90NW YOR 212 9222

01 94331 0

HL ADL HIA

ROCHSR

SAN DIGO

0SAN RANC SCO

SATL

SYRACUS

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BA TIMOR

25 6

35 4549323

1 4 0-9

41 5 948-233

74799

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Documents

GR Exp 1970_01