DESiGNED AND MANUFACTUR EDBY

WARD-BECK SYSTEMS LI MITED84 1 PROGRES S AVENUESCARBO ROUG H, ONTARIO

(41 6) 438- 6550TELEX 06- 23469

14604

DUAL FREQUENCY OSCI LLATOR

M604TECHNI CAL DATA:

FREQUENCY: 4 00 Hz OJ:' 1000 Hz(Determinec1 by conditiona l a t n .p p i n9 )

OtrrPUT L:!VEL 1\ND "IMPEDANCE :-lOdam to +10c1am Vuiable 600 ohlll balal'lCed

TOTAL HARMONIC DISTORTION:Le aa t h a n 0.5"

FREQUENCY ACCURACY/STABILITY:Within :t 5"

PCMER REQUIREMENTS,24 t o J6 V. de ufU'equlatec1 25 mA

DIMENSIONS :1.7W x 3 .48 x 13.7D - inches4.3M x 8 .68 x 34 .80 - em.

WEIGHT:2 lbs .

CIRcuIT DESC RI PT ION

with r e f ere nc e t o drawing 81-129-02-001: i ntegrated cin;:uit z lforwlll the b a. i c o. ci l l ater circuit, integr a t ed circuita, Z2 a r:4ZJ provide the a cti vely ba lanced outpu t and Ql, Q2, and QJ bthe regula tor .

Th. aeetion o f Zl aaaociated with ca, C9 , R7. a e , RlO . Rll . andR13 for. a n active Br idged TEE band paaa f ilter whic h _y behlned to 400 en 100 0 Hz. by conditional c on ne c t o r auapping . Theaine wav e output appear. a t era BTld b fed to R34 the eo4ul.front ~Tlel tr1lll e OTlU ol. OUtput of Zl pin I J ia a b o led v iaR9 to the input of .eetion 1 of Zl which acta a. a COlllparatorand ganeratea aquar e wa ve . at i t. outpu t t h e amp litl.1de o f whichi. determi na d by CRl an d CR.2 ( J .JV z e neX' diode . ). 'J'he llIIlOUnto f . quaX'e _v. a ignal fe d i nto the Br idge TEE f i l t e r i. dat.X'­lIlined by R6 . Thb c onuol will determine t h e diatortion an d.amp litud e atability of t he oa c i l htor . 'I'he ph a ae X'e lati onahipof tha a igna l vo l t a gea around. the c an parator aquar. wa va ga na r ­ator a nd Br id.g. TEE filter o f Z l , ia au eh aa t o X'. gen era tive andtherefore prod.uce a con tinuou a oaci l la t ion .

The output amplifiera C'OIlIposed ot the noninverting a e c tion Z2an d th. inverting a e c t ion aa p rovide an a c t ive l y bala nc e d. outputat the output c oupling capac i t oX' e 19 an d C20. TWO 600 ohal out­puu -ar~:P.rovided appe ari ng at t he PC connector p ina J , 5 & 4, 6 .Th ea e i n turn a re c o nne c t .d to the mo4 u le c onnect or and. a ppear onpina J . 11 a nd. 4. 12 rea pec tiv . l y .

The 24 t o 36 vck: a'Upp ly vo l tage ia r e gu l a ted down 'to l6v . Qla cta a a the aer iaa pa s a tranaiator, Q2 pe rfoX'llla th. function otreterence Ulpli fie r and vo ltage divider R29 . R30 and. cOlllpeX'edwith the relatively cO M u n t emitter t o baae vo luge (0.6v) ofQ2. The r e aulting difference b U1plifbd by Q2 which intu.rnvariaa the baa. cu rrent to the aeriea paa. treMiator 01. n:TQ3 a cta a •• high impenaAnce conatent cu r r ent CQUX'ca for theco lleetor of Q2 and baae ot Ql .

VOL TAGE C$.RT pca 1-129

l i e connector Pi ru:

ai 8 1.5. .5 13 13 8 8 -

10 11 12 13 14

13 13 1.5• .5 8 16

· z 2 14 B

Z3 14 8

.6 8 16 14

. 6 B 16 14

0 1 2 3 • .5 16

02 16 . .5 0 . 6

0 3 16 . 5 23 .5 23

(1) Supply current nominally 18 rna .

( 2 ) Me••ure lllent. t ak e n with a 20. 00 0 . ohm/ v olt Illeter .

(3) Tolerenetl o f vo ltage llItIa. u re:nen t -= 10%.

(4) Supply voltag e . e t for 24 vee •

SETW AND TEST PJt9C'£IlUU

1. Apply 2&V dc . lowly to te.t t e r-ina h . and. no te that theoutput eu r rent shauld be between 12 - 19 _.

2. O1eck that requlator output a t the emitter 01 is +16.SV eSe.

l. Strap oscillator connector for . 00 Hz cwt pu t frequency.Adjust R6 t o give 0 .35" t o 0 ••" d is t or t i on .

Also note that the output l e v e l control range .hould b abetwean -13 d8nl to +14 05_ at . 00 H%. .

S . Strap e-cillator connector at 1. 000 Hz trequanea ou t pu t .Tha output bval control ra"9a . hou l d be - 15 aa. to +10 dBm.Tha tota l ha rlDOn.ic distortion ah ould be les. t han 0. 5%( typica Uy Ie .. than 0 .1 %) a t +8 de- ou t pu t .

6. Tha output eurrant sbould ba approximately 18 _ at bothf r equa ncy aa tting a t + & d!D output laval.

7 . lA val chaJJ9a betwean fr~ancia. i . 3 l!B.

24 V c.ot...1MON

OUTPUT *1

OUTPUT #Z.

~Ca..I N EC TOR OUTLINE.

) 400H z. STRAP

J 1KHz STRAP

~

060. DUAL PREOUENCI OSCILlA'1"OR. Page 1 .

DESCRI PTIO N

cr .047 Illfd Philip-' C344AB /A 47KC2 22 at"d 2Sv ...., T36 2-C226-o2SASC3 6800 p td Er10 81 21-100 -WSRO- 682JC. 12 pEd Er10 81 01 -100-COGO-12 1KCS 1 2 pEd Erie

CO SOT Ph~l1Pl!le 7 SOTce . 0 1 mEd 100V C344A8!A10KC, . 0 1 ID.!dere 12 p t d Erie 8l 0 1- 1 00- COGO- 12 1K

e ll 6800 ptd Erl. 8 12 1- 100 - wSRO- 6 82Je12 10 atd 2SV ...., T3 62-8106-o2SASC13 10 lilt!! 2SVCl . 10 Jl! d 2SVC15 1000 p t d Er1. 8 12 1- 100 -WSRO- I02K

cIS 22 p Ed Er10 8111- 1QO-COGO-22 lXen 1000 p Ed 8121-109-w5RO-102Kc 18 22 pta 8111-100-C9GO-22lKC19 100 IIltd lSV Si eflleJUI E81 00 /1SC20 100 lIlt4 lSv

e21 100 Illt:d 35 V Siemens £8 100/35

CRl z e ne r Diode I . R. 1N746 -ACR2 Zener Diode I. R. lN746- ACR3 Si licone Di04e I . R. lN4003

Jl 15 pin COnnector Elco 00 - 600 7-015- 940-00 2J2 16 pin connector A:Ilphe nol 26- 159- 16

Print ed c 1rcui t Brd. WBS 1-129

01 Treneie tor Silicone

'NPU' 2921020 2 Transistor silicone

( I'ilt'N) Pa i r chil d 2N51 3703 Transistor PET ( P rET) 2N5033

.1 22K ohms phllips/Ohmite Al l r e .is tors law 5"R2 22K un l es s epe c i t ieClR3 100 otherwi.eR4 22KRS 10K

PARTS LIST

M604 DUAL FREQUENCY OSCILlATOR Pas e 2.

SYMBOL DESCRIPTION !!FG.. SOK Pot Dht . Adj ._n

62 P50X.7 '6R.a 2701(.. 22RRIO ' 10

.11 2R7 o»ma Philip. /Ohmite All relhtors lp- 5"RI2 lOOK uDl• •• • pecifi.dR13 470K othervheRI. 100RI' 1R

RI6 220m 22 RRIa 22R.1. 22R020 22R

02 1 30R022 '70

." 'lX02 . 470.25 .R7026 .R7027 30OO2a 30002. 30R.,0 lX

.,1 300

.,2 300"3 ax.,. SX Log Pot. Fro nt

Pane l Tri-. RLA5021S503

U Inteqrated circuit Fairchild t16A7739393 739. 2 uSB7709393 709., 7O.

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J

J

1

J

1

l

l

1

1

L

L

L

1

L

L

L

L

L

RlF R O t-JTPANEL­TRIM 10 .

cw t~SK ~

1-1 2 9 O SCI!-!...ATOR C.c...1=

'Sf L

ISS MOO CKD rrcis \rrl4- 53' f l!i lS!'i

!Il. ""-; EP.~!.

-~.. --

-,--- - -- ---- - - -_. - -----_._--.._---

- 10 TO-+SdBm

600.a.

F--------~..'o,c, S T R A P ~OR--- ---2<701, 1KHz

'-'- --"<aoJ~~~~: ~OR

1_ e21 m- -~

, . @

-i R33~ 8 (0 -i R I8 ~ (-@§I}- ~

e e ~

:i .. ~,; - 1.85 o r -1 R29r -1 R20f- +<§

m -i R27r-1 R32r ~ -1 C20 [J} {J,-1 R25 f- 1R2e+,

I•1 -

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