SCIENTIFIC ABSTRACT SOWIK, J. - SOWINSKI, W.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001652620013-5
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 23, 2000
• Sequence Number: 13
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

OSZACKI, Jan; ADAMCZYK, Bogumil; SMIDISKA 3arbara- GIMLICZXA, Otmar
-

U "-~ P!

DYK,, Tadeusz; SWINSKA, -Taninaj USELIS, Juliusz; BORDZILWSKLI, Irena

SOWINSKI, Andrzej, mgr inz.

1~0

P/022/61/0.00/011/0.02/062
P205/D306
AUTHORS: Sowifiski, A., and Tab~aka' ~K., Master's of ',Engineer*ing
.TITLE: Digital. voltmeter type VO-3412/61
-y no~ .11 ~19611
PERIODICAL: Przeglad telekomunikacyjn 354-355
TEXT: A new type ol digital,voltmeter is described.:~' Its technical'
'1
specifications are as follows:'Voltagerange: 0. 999. V, in;two-
sub-ranges: Ii 0.1 - 99.9 V, 11. 1 _' 999 V; Acci~racy: ;i. 0. 1 ~b or.,- + .1
digit (0.1 V on sub.-range 1, 1.0 V on sub- range~j ~i I);! ~. Dial, reading
Direct reading on 3 indicators "Nixielltype: (size of: :6iphers~
25 mm), decimal point indicated by a bright d t controlled by' the,
.0
sub-range switch; Sub-range.selection: one switch idinually bp6ra-
ted; Input impedance:. 10 M_nunba1an6ed;,Sta:rt ah''d cdhbellatibh,of
re-tding: 2 separate push buttons; Power consumption:'' A 90~- VA; Mains
supply: 220 V, 50 c/s; Dimensions: one instrument casia -of 45'0: x
290 x 320 mm.; Vleigbt: 24 kg. The model of this yoltmeter was Ae-';
r
Veloped by the Zaklad miernictwa instytut teie4~i adiotechnicz-:.
nego (Tele- and Radio Technical Institute, Meas,urem6nts Enterprise)
Card 1/3

P/02 62/090/097/001/002~
D271YI)308
HO
..U - _R: Sowifiski, Andrzej
TITLE: Transistorized circuits 'Lor digital measuring
instruments
PERIODICAL: Fvzegl~d telekomunik 6 6
Yj ny,', o .7i' 19 2,:193-19
TEXT: Certain problems involved in tran~sistorizing digi-,
tal meters, based on time measuremenij:are considere''d, pa
lar attention to specific Polish conditions &' tag e 'generators,
Line r~ vol
and voltage compara-;Ors present particular difficulties-in transistori-
zation, especially in finding suitable types of trarnsist'Ors. Non-linear-
ity of the initial part of the saw-tooth ~waveform produde~ by,, a Miller'
4r-cegrator det)ends on f-
of the transistor. Two linear voltage genera-
tor circuits are shown, with component values, both based::'On imported
iransistors; for better matching, two emitter followers
between generator and comparator; in one of the ci uits ix relay i!~
used because n-p-n transistors were not available..'Althou~gh, with im-
ported transistors, there are no serious difficulties in" 'des ig7n3' ng'a
Card 1/2

'F,
P/02 62/o -bo/oO.7/001/002, J:
rp D271 YD306
ransistorized circuits for digital
h as yet
u y linear voltage generator, satisfactory results-have. ot
been obtained with transistors of Polish production.' Gating error of
comparators is discussed and it is stated that comparators-nded a re-
solution of the order of 10 - 100
tl.L,.V. A comparator circuit is shown
04
and described'and it is noted tha it was not possible t6build tw
identical circuits as necessary in di ital Polish: XF
9 meters.-Th,e firs.
11_u 3. s
4-.odistron takes only 1.2 mA, with 165 V ignition and' 135~V'exting h-
ing voltage. Two possible connections of neon indicators a;.e shown,
and the circuit with -oassive transistors is preferred; traiisistors
with a coilector-em_-;~Aer voltage > 40 V are required'. It i s'; conclud'd
that digital measuring technique requires Polish supply of' special,
transistors and a greater production of digital indicators
_LSSOCIATION: Ins-;ytut Tele - i Radiotechniczny Uns titute of Tele-
communications and Radio Engineering)
Cara 2/2

SOWINSKI, Andrzej, mgr inz.
D C. amplifiers in digital monauring technIque PrzqgI telekom
3z [i.e.37) no.1:6-9 Ja 164,
1. Instytut Telo-i Radiotechniczny, Wanzawa.

m 5,:1958;
30: Ilonthly Index of East European Accession.(X~AI) LG:VGl 7j No

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L 18893-63
ACCESSION NRi AP3006249
~?x
By introducing negative feedback through a small,capacitorj! on the 1: grid of the
the dkeotir:
first stage, the pulse amplitude can be. mad6 . indepenio?it of- 0
capacitance and stability of the -datector--~preamp3.ifi4ir,iy'*s am dan be incroised;-
The circuitri own
beyond that of the ordivary voltage preamplifier. $h
schematically in Fig. 1 of Enclosure 1 is bas ed on the reco'Mmenaaiion mi&4 by.
C. Cottini (ref. 6t Cottini C, Gatti L 0~ Gianelli. 0, ~ Rossi'G4~~ Ta Iwo
E*,Fi I tei e Fa stain':
Cimento 7, 473, 1956) and has bash devoloped k rs n .(r ~f"~ 31 lr~
E., IRE Trans. NS - 8, 129. 1961). It consists'of it cascade st~ evith charged
9
coupling, a voltage triplet with heavy feedback, shaper. divider4nd Whiteli'
cathode follower at the output. There is a "boot-strapped", conn"tion.at the
cascade stage and the output of the voltage triplet in order to,ra-ise.the gain
and to extend the range of dynamic linearity: For operation vlth;,.~conventi6ial i
amplifiers. the time constant of the shaper circuit ran be',!sot.to!O.2, 0.3p:10,09,
2.5 or 5.0 microseconds. the selection ofthe optimum ti 'ms constant is.based
on the detector characteristics in accordance with a formula proposed by F.~:
Goulding (ref. 7: Goulding. S., Hanson W. L., -Micl Instr.: a'., klethT; 12, 249i;1963.).,
The divider is necessary for measurement of large particle'! energies u to, 160
P.
.million electron-volts. The cathodefonower provides a low
output impedance
and matching for the 75-ohms concentric cable. The E83F 6utput~ tube, recogni2611 -
7
17
LCOO.

- - - - -------
J
ACCESSION NR- AP4015317 P/0
AWHOR: chwaszczewska,, J. (Khvashchevska, Aanina) DakoiOskiit M.~ (DakovskL. Micoasi)
!Dabrowski, A. (pombrocukL, Andrey); Sowinskil. M (Sovin i1a;
;Mechislav
W r a S. SAU Uir &P, i tLdQ*%;:.
I TITLE:,, Silicon surface barrier detectors Lth guard t
J:
SOURCE: Nukleonika, ve 4# nos
iTOPIC TAGS- semiconductor detector3 Silicon seMie*aidUii6rs.J iutfsce-barrLer
P
semiconductor, charged-particle detector charged-;PirtLiii--spe~t~cometry,:guarA
detector,,hicrh-reaolutLon detector, low--noLea detector
1ABSTRACT: T"ais article describes a method to bipro~e ti~~'aapabllLty of oil con
ur'a ce-ZY - -~r er detectors with *a depl etion layer. thickness of ~ about I mm, so t"t
~'s 50 KGV
they may ~)a successfully applied in spectrometry of::12 16*.Proton
.,alpha-particles, 16 MeV deuterons and 7.00 keV beta-rays.`:!: The m~Ahod utilizes
uard riwlsl and its principle is that the mLnorLty::cartUr. current, which :is'
t
;4i. cu r! urf&G*
main cause of aoLse, ~oasLsts of two components: a volu; r ant and a i~
current. An experiment is described demonstrating tha:offect OU a 11:41alrd I Wg 4M
''A
the performances of'a n-type silicon detector4 A sk:~ple'aircuLi "-set up Aaws La "t
Fig 2 of Enclosure 02 for measuring the cureent-voltage-.O.UractAriAtLca:69
-CCU 1/0 3
::j I

'ACCESSION NR: AP40153L7
T
!a) the detector connacted to.the ring, b) the detector Aiscon~i~tad from ~tbe ~tbw,
and c) tha ring itsialf. The schematic:diagram of thespectrometer-is shown in

,
of tiii: Lnstcwmn
are
Fig. 4 of Encloaure 01 The perfamande Cbar t
.
.
summarized as follows,11~ 1) The resolutLo fc., a. 78( MOV
16-40 KeV depending on the bias voltage and condition Iif;the~ildi tai:tor surface'.
6f thiA
2) The pulse amplitude. does not dcpend~on'the"charsctev.'
r C
Lght chi
94
, ,
:1 ~ - 1 .
but is fairly propcirtional tc;'the energy of Oat particle, wLthLn 200
-
--
-
-
-
' -
acy. These relationships are,not,valLd in the~;4caso Oheavy piieicles
ke
V
a
cc
u
r
'
because of the "ionization effect",-which'must'be taksn~,
into,iccount. 3): ~ The
spectrometer can be used fair the ideatification ot-charjed particles: tiih typo, r
elastically scattered particles reachesIts maximum at'dLfferian tvolues of bias
ict energy. iiv*4,sPpesrs to;: be
voltage. The shift of these maxima of distim
proportional to the energy lose dE/d% for any respective.partWO.: The designs
described here is also) very useful in a telescopo systems wbichi~c6nsists a dVdx
Ut of *net i
The spectCOMeterwas tested -tho not
and E detectors. at it a Itar PbY4 ell
(Instytut FyzikL Jadr,nmj), Krakow.,

j

L' 00282 66:

CESSION AP5013679
AC NR.

0
!
Warazawskiego (Departmeint of : uav~,isiE~) An' the. dev'1e*l_op--'**
ment of a technology for the production:bf'dE/cli:iu~i~6~-b~rkidi~~'a4i~~tofs,fok;
particle identification. De
,
and 7 0, p thick Weed.' In
tectors between 25.
~weFe,~.pro( ,
order to extend the ba
rrier .
i_ 4~ ~
e deteci6rs.: ~'~;i 'I'- I in
r gion, with -A guar 4 ng-vere!_produce

the width of tke barri
which r `.L2 mi.' making lt po4sil h
er- egion.was de~~ to em
.
as spectrometers of /J-4adiat iork:in the-,ine~g~. range up:, to:'A HEV.~i ~ be' tecto'rd: much
-in active -
greater than I mm area aj e o I e v`
re. under~deve lopment-in!*~the1n$titut V Nu 4
Research, using the method b ased on lithium drift and p-'t
yoe germanium. Pri:
g'!
art. has: 9 figures, ,
ASSOCIATION:. none:

SUMITTED,
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ENCI
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ACC NRt
acknowledged* 049~ bm :31 fir

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