SCIENTIFIC ABSTRACT MALYSHEV, V.A. - MALYSHEV, V.I.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001032010002-2
• Release Decision: RIFPUB
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: January 4, 2017
• Sequence Number: 2
• Publication Date: December 31, 1967
• Content Type: SCIENCEAB

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Method of

24378

s/ ~ ~ 2./6o/oo5/oo5/oo5/oi5
E192/g582

ASSOCIATION,

$ UBMITT ED ~

Kafedra elektrovakuumnoy tekhniki Taganrogskogo
radlot ekhnlchesko~o lnS%~tuta (Chair of
Electrovacuum Technology of Taganrog Radio-
technical Institute)

October 12. 1959 initially)
November 16. 1959 (after revision)

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AUTHOR:
TITLE:

s/zog/6o/oos/oto/oo~/o~l

M~lyshev, V.A.

On the Theo~ of the ~gnetron Oscillator

PERIODICAL: Radiotekhnika i elektr.nika, 1960, Vol.5, No.10,
pp.1603-1613
TEXT: There is considerable difficulty in deriving a
mathematical description of ma gnetron behaviour but, nevertheless,
development of a complete theory of the ma~netron oscillator Ns a
real requirement. V.N.$hevchik's theory of "casca~ e grouping"
(Ref.1) was an advance but his expressions for the electron
conductance took the form of finite sums and, although it was
possible to find from them a number of the oscillator parameters,
nevertheless a full analysis could not be made. In this article
an attempt is made, by simplifying Shevchik's formulae, to obtain
a theory for the magnetron (for small amplitudes) similar in type
to the theory developed by S.D.Gvozdover for the reflex klystron
(Ref.2). The .article is in four sections: 1) derivation of an
expression for the electron a~mittance; 2) obtaining of an
expression for the electron inter-action coefficient; 3) analys~-s
of the electron admittance expression to find the regions of
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~58~
$/lO 9/6o/oo 5/OlO/OO~/O~1
On the Theory of the Magnetron ... EO35/EA15

oscillations; ~) analysis of the oscillator operation. The
results oktained may be used for evaluating the effect of various
specific factors on the output parameters (power, frequency).
Shevchik showed that in an N-segment magnetron where each
electron of the stream interacts with m slots, the real and
reactive components of the first harmonic of current induced in the
gap of each segment is determined by the expression

m
~o M~J, (C,Xo,) si, I(k-- l) (0o -- ~)-- D~I,
i~ = 2 ]q
~' (1)
m
i, ~ 2 y~ M ~ Y, (C~Xo,) cos [(/~-- i) (0o -- cq -- D, I,

where M is the electron inter-action coefficient; 0o = m~/vo
is tho mean flight angle between cavities ( ~ is tho distance
between the gap centres, vo is the undisturbed electron velocity,
m is the frequency)~ a is the phase change between
oscillations in neighbouring resonators (a = n'(2~/N) where
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On the Theory o� ,the ~a~netron ...

n
Io

2 81
S/109/60/005~1~0/00~/031

is the mode number of the oscillation: for the R-mode,
is the ma~netron anode current. Also
'Ck V'~+B'~" D,=arctg

(-:~)

Xol is the grouping parameter in the space between the ga~s.
M~� U (%)
Xol -
2Uo
where Uo is the potential which determines the undisturbed
electron velocity; U is the a.c. voltage amplitude in the gap.
.The space charge is taken into account by multiplying the
kinematic grouping parameter (Eq. (%)) by the factor
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On the Theory of the Magnetron ...

where u.)o

2158Z
�/109/60/005/010/00~/031

sin ~

is ,the plasma �requency determined by

(5)

(6)

is the cross-sectional area of the stream (F = h, where
is the height of the block). The magnetron electron
a~mittance Ye is given by NYel where

ioM,OoPL J, (AU) e-J�+~.), ( 12 )

: in which

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On the Theory of the Magnetron

S/109/60/O05/OlO/O0~/O31
gO53/g~15

(12a)

(12b)
(12n)

and z = m - 2; � is the phase of the electron admittance;
x = ~o - a is the parameter characterizing the flight annie;
P is the space charge parameter. To obtain an expression for M,
the electron inter-action coefficient, two effects are considered:
1) the effect of inhomogeneity of the electric field in the
direction of the electron movement and 2) the ~act tha~ the
electron is acted upon by only a portion of the a.c. voltage in the
gap (i.e. by the field at the edges of the ~ap). A rectilinear
electrode configuration is assumed'. The phase of the electron
admittance is analysed to find the oscillation regions for various

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On the Theory of the Magnetron ...

~581
S/109/60/005/010/004/031
EO33/E415

values of m and graphs of L/x2 = f(z) and B = f(x) are
constructed. Finally, the oscillator operation is analysed by
rep~esentir~ the ogcillato~ system of the ma~net~on by an,
equivalPzc parallel resonant circuit. There are 7 figures and
8 Soviet references.

SUBMITTED: Dece'mter 14, 1959

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MALYSHEV, V. A., Oand Phys-Math Sci -- "~olution of certain
problems of the theory o~osclllatlons for narrow-band~
generators of ultra-high �requenc[es." Taganrog, 1961.
(~n of Higher and Sec Spec Ed RSFSR. Saratov Order of
Labor Red Banner State U Im N. G. Ohernyshevskiy) (EL,
8-61, 1927)

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3,--c/~ S/1~ 2/ 61/ 00~/ 0�5/ 0~1/ 0 ~ ~

AU'fi{OR: .~qalysh ev, V.A~

TITLE: Influence of a small sinusoidal signal on a narrow-
band oscillatory system with delayed feedback

PERIODICAL: Izvestiya vysshikh uchebnykh zavedenzy,
Radiotekhnika, v. z~, no. 5, 1961, 51~ -

TEXT: The problem of the influence of o harmonic s~gnaL
a narrow-band oscillatory system with an arbitrary phase of
the negative admittance is of some practical interest.
this problem is solved by the method of slowly-changing
amplitudes. For the purpose of analysis, ~t ~s assumed that the
frequency of the external signal is near to t ~,e i'r .,~,, ,,,tv of

free oscillations of the system and thnt t~,~ :,m~,[,; ....
signal is small. The equivalent c~rcuzt ol ~o :. :. , ~::~ c::~
therefore be represent~d as M~IO%w[I 111 ,'1.% ].t , '...~, ~ ,' [
parameters R, L and C chaz'acterl, ze t.,,e ~,:~c ~l];~to,'y , ',c .,,
of the system; il. ~s tl~e int~rnal reslst~llco ol ~1~(, o.~Cl

L) is the nonlinear element of th~ osc~l I ator ~.~,:

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l~:fluenc e of ....

S11/~2/61/004/0,~5/0 1/' ~'.
E192/E582

current 1[! = f (U) , where
0
element, By assuming that
o fl o ~ o
the system is described by the following equation:

d2U 1 dU I diH
* U = hU + E sin%' -
d'E2 Q dq: Cc0 d ]Z
0

where ~ = mt h -- 1 _ m2/~2.. 2~/~ , Q is the quality
+ 0 ~ 0
the resonance circuit, ~2LCo = 1 QB = (UoCRx is
factor
of

the quality factor of the resonance circuit with load and
Eo = ER.Cml -~: EQB' a =Cm oRR'/(R~ = R.1 )--~ CuRR./(R~ + R.1 )
Since the righthand-side portion of Eq. (1) is smaller than
each of the terms in the lefthand-side portion, the solution
of Eq, (1) is in the form of:
[' -- ^("~)cosL("~-(~(~) : A cos ~.
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U is the voltage across the

i = i + i and 1 R. - U + I~. cos

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Influence of ...

34258
s/z~z/61/oo~/oo~/ooz/o~
E192/E382

where A(t) and ~(~) are slowly changing functions of time. It
is shown th.at the simplified equations for A and ~ are in the
form aAa_v = --~ [hAc~a +~Asina + Esln(a +O)lsln~a + at,~ sin ~;
0 0

ao ~ ~ {/~cos~+ ~
aW = ~. ff A sin g + E sin (~ + O)lc~ � d~ -- ( 3 )
o

~C~ ~c~a.
o
where F is the amplitude of the first current harmonic, which is,
in gene~'al, dependent not only on A but also on the frequency ~;
~ is the phase difference between the first harmonic of the curre~
iH and voltage U and the angle ~ (6 is often referred to as
the phase or the negative admittance of the oscillator). In genera,
the quantities F and 6 can be determined by the method
indicated in Ref.7 (Izv. vuzov SSSR - Radiotekhnika, 1960,v.~, no.5,
~7~) by using:
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Influence of ...

34258
S/1~2/61/00~/005/001/01~
E192/E582

21 I'e_t,., fo(A sin ~ol) dt.
o
It is also shown (Ref.6 - I.~l.Kapchinskiy - Methods of the theory
of oscillations in radio-engineering - Gosenergoizdat, 1954) that
the conditions of stable operation of the system at the frequency
m are determined by

%he above expressions are employed to investigate the general
case of the oscillators with weak excitation, in which
~ ~ f(~) , and F / f(~) . The formulae derived are then used
%o study the pull-in of a vacuum-tube oscillator and that of UHF
oscillators. The case of under-excited oscillators
(regenerative amplifiers) of the vacuum-tube and UHF types is
also considered. The expressions derived for these systems were
verified experimentally, in particular for UHF generators
(reflex klystrons). From the analysis and experimentsl results,
i? was found that as the negative-admittance phase 6 increased
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Influence of ....

S/1 b, 2/61/OOf~/O05/O01/O14
�192/E5~2

from 0 to 100�, the frequency bandwidth between the half-Dower
points of the output signal increased monotonically. As regards
the regenerative and negative-feedback operation of the system,
the amplitude monotonically decreased as the phase of the
negative admittance varied from the value corresponding to the
transition conditions to � = 1~0� � %;then � changes from
0 to 180�, the regions of instability undergo considerable
changes; in particular, in the pull-in and negative-feedback
regimes two regions of instability and 3 different types of
unstable points are encountered; when the operating conditions
correspond to the transition from regeneration to pull-in, the
maximum output signal increases and the bandwidth becomes
reduced as ~ changes from 0 to 90�. In vacuum-tube oscillators
the highest gain in the regenerative system can be obtained for
values of ~ 60�, when an unstable region occurs within the
amplification bandwidth. One of the important p~'ob:e~,;~ in the
operation of a regenerative amplifier is the gain :,taoility.
The experiments show that stable operation of a re~'l.~x klystron
amplifier can be achieved by employing the usual electronic
stabilizers and that a stable gain of 9-0 db can be obtained.
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Influence of ....

S/1~2/61/00~/005/001/01~
E192/E382

There are 11 figures and 18 references: 17 Soviet-bloc and
1 non-Soviet-bloc. The English-language reference mentioned
is: Rex'. 18 - M. Chodorow and V. Westburg - PIRE, 1951, 39,
no. 12, 15~8.

ASSOCIATION: Kafedra obshchey fiziki Rostovskogo-n&-Donu
gos. universiteta (Department of General Physics
of Rostov-on-Don State University)
SUBMITTED: May 11, 1960

Fig. la:

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~...) $ /109 /61/006 /00 3 /0o ~3/018
.
AUTHOr: -.' ~shev,~ V.A. and Mikhalevskiy, V.S
, ,:.. ,
,. - ~ TIT~:" '.'.. .:0n the Theory of the TWT-Oscillator With Weak Feedback
;~ ~...[}. PERIODICAL: Radiote~nika i elektronika, 1961, Vol.6, No.~,
.... -..: pp. 365-~?0

%?-' ?f~ TEXT: In previous work the problem of the title has been
~"' '?~'treated'only qualitatively. The present article attempts
~'.: ~7[~}~ derive certain features of operation of such oscillators using the
~.~[~ ~?'~ cinematic appFox~ation. The detailed mechanism for realization
~:'~'~ '~?~ O~ ~eedback-i. not considered, St be~n~ assumed o.ly that the
 -:~'
-'.. ~eedb'ack ~ackor ~or a ~iven space harmonic is much less than unity
~ ~.~.~ and independent o~ the generated ~requency which
~-"..'. (~. one o~ the natura~ frequencies o~ the system. ~hese conditions
'~'~ n ~ are best realized in oscillators with external feedback; in
' oscillators with internal feedback they can be satisfied only under
the condition of negligibly small interaction of the modulated
(~U electron stream with the reflected wave. These conditions are not
~[>. satisfi.d in reflex T%~. The delay system is considered in the
~t form of a simple resonator with natural frequencies fairly closely
~'"" ~ Card 1/6

~,o

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,. ! S/lOg/61/OO6/OOJ/OO3/O18

. O~ the Theory, of the TWT-Oscillator With Weak Feedback
spaced, It is 'assumed that measures have been adopted on the
:'..' d~vice foF, separation of the natural frequencies, for example by
-. � the use of a special filter i~ the feedback circuit, or by the
use of systems with normal dispersion. This assumption permits
neglect of the possibility of oscillation at several neiEhbourinE
frequencies. Fi~lly, the a~lysis takes into account inte=action
of the flow only with a sin~!e definite space harmonic of the
wave, ~niquely defined by the phase velocity in the system. The
a~lysis px'oceeds from the equation of motion of the electron,
from which the Kepler's equation for the tra~it an~le of the
?.j-.>'electvon has been found by V.N. Shevchik (Ref. lO):

- ( )

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, s / zo �/~ -~)~/oo ~/oo~/o z~
', Ei~O/E13~
J':~n the Theory of the T1~l'-Oscillator With ~leak Feedback

~'~herel~:: '-t --t~me ~ ~ectron entr~ ~nto the s~stem~' y - propaga-
x;;~'t~on conntant; ~;- the e~ectron chargo; ~- the p~ane ~e~oc~ty
~of the ~ave; ~o ~ the ~eJocJt~ of the undisturbed eJectron;
(gExamining further~the interactions talcing place in the system, an
k~ equivalent c~cuit Is found (xlo diagram given) in the form of a
;:'. parallel combination of L, C, G and G1 elements, where G1
~ represents the load losses and G the device losses. Then the
~ electron stream represents a conductance for which there is given
[ the express ion

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~0

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S/lo 9/61/oo 6/oo3/oo~/o18
gl~o/g135
On the Theory of the Tl~T-Oscillator With Weak Feedback

Y, = 2G0 ~ ~(~"~ = G, +/B,.

./ Go = ~1, = plo; X = ~mU = rg;
~'~(e' + ~') ~t.,.~ (0' + ~')

where X is ~he bunchin~ parameter. Based on these relations
the au~ho~ then analyzes the operation of the oscillator,
determining the output power and f~equency of oscillation.
pa~icula~ the question of electronic tuninE is considered an~
approximate expression found for the whole range of ~mp

Csrd ;~/6

(24)

.-:3

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--- S / 109/61/006/003/003/018
E1QO/E135
On the Theory of the TWT-Osctllator %~ith Weak Feedback
where �o and v.~ are taken at the centre of the band. The
electronic tuning range L~p obtained experimentally is usually
small because o� the great value of the parameter B in the usual
delay system. To broaden the range it is recommended to design
the oscillator to satisfy the conditions

(5%,~= _ .',~.'r,, '. :~. ~- _ ','-'a? , (21)

where y ama c - wave len'.4th and speed of light in the free
space. Finally optim:t] lo;,.di~:c; i'or a given value of X

Ol(X) a I ' '~ - ~o'(x) ] aH
X ~o cos 6'; ~ 1".- J1(X) i = G� cos 6
The oscillator efficiency, t!~c of'establishment and load
characterJ :-tics are also discussed. The authors' conclusion
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21649
S/109/61/006/003/005/018

On the Theory of the TWT-Oscillator With Weak Feedback
that a system With normal dispersion leads to stable wide-band
operation contradicts the conclusion of E. Jones (Proc. 1.R.E.,
1952, ~0, ~, ~78) (Ref. 1) and )~. Denis (Ann. radio~lectr., 1952,
7, 29, 169) (Re�.2), that systems ~�ith anomalous dispersion should
be superior. This is due to the fact that these authors in their
analysis completely ignored the reactance of the electron stream.
The present work is in accordance with experimental results and
is analogous in character to well-established formulae in the
theory of the reflex klystron~
There are 5 fiEures and 1~ references: 10 Soviet and ~ non-Soviet.

SUBMITTED: June 27, 1960

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22898

s/lo 9/6 ~/oo6/oo~/o 12/0 2 5
~,~C~ El~0/E135
AUTHORI Malyshev, V.A.

TITLE: On the theory of _ode microwave oscillators

PERIODICAL: Radiotekhnika i elektronika, Vol.6, No.~, ~961,
pp. 604-612

TEXTI Analysis of retarding-field diode oscillators shows
that they have no substantial advantages over reflex klystrons,
either in regard to the range of electronic tuning or maximum
efficiency. An increase in the rate of electronic tuning
(by a factor of 1.~2) is balanced by a commensurate deterioration
in the frequency stability. The obtained results show that the
operation of diode oscillators is ~enerally similar to the
operation of reflex klystrons and that all the types of diode ,/~'~-
oscillators considered in the paper can be studied and calculated~
in the same way. The output parameters of diodes with a
retardin~ field may he close to the values observed in analogous
reflex klystrons. The analysis given in this paper confirms
experimental results published by C.J. Carter, W.H. Cornett and

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228~8
S / lO 9/6 1/006/OO4/O 12/0 2~
ElCO/E135

On the theory of diode microwave oscillators

M,O. Thurston {Ref.?: Vide, 1956, Vol. lR, 65, 281).
There are ~ figures and 10 references: 6 Soviet, 3 English
and 1 translation from English into Russian.

SUBMITTED: February 15, 1960

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Concerning the article *Theory of a m~gnetron generator.' Radiotekh.i
e!ek+~ron. 6 no.6'.1030 Je '61. (MIRA 14:6)
(~aSnetroue)

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AUTHOR:

TITLE= " Kinetica' of the pumping of vacuum systems in quasisteady
state

PERIODICAL: -Zhurn~l t~mioheskoy �iziki, v. 31, no. 2, 1961, 200-203

TEXT= The published theoretical data on the pressure change with time
in an evacuated vacuum system are based on the assumption that the rate of
evacuation of the pump is independent of pressure but depends on the
quasisteady state during the evacuation. The effective rate of evacuation
in a real vacuum system depends, however, on the pressure in the system.
Taking account of this dependence the kinetics of the evacuation process
iD the real vacuum systems can be determined more exactly. The present
paper deals with this problem. All conditions are assumed to be fulfilled
which are necessary to attain the quasisteady state. Sp and S are the
effective rates of evacuation of the pump and the vacuum system, S~ and S'
the actual rates of evacuation of the pump, Pl is the iz~itial pressure in

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891~1

S/057/61/031/002/007/01 5
BO20/B067

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� � s/o ?y Vo Voo /oo?/o
Kinetics of the pumping of ... B020/B067

the vacuum system and simultaneously also the pressure in the 'exhaust tube.V
of the p~ump and Po the limiting pressure attained by means of the pump.
The limiting pressure is explained by a backflow of the gas from the pump
into the system. In mechanic pumps this backflow has the same character
as the passage of a gas through a small opening whose permeability K is
independent of pressure. The backflow K(Pl-p') increases with decreasing
pressure. The resulting gas flow is given by Spp' = S'pp' - K(p1 - p'),
where p~ denotes the pressure at the suction tube of the pump, if
P' = Pl' Sp = Sp,' with p' = Po' however, Sp = 0 and
. Si = K (PI - PJPo); KP1 = P ($' +~ K) (1)
� o p
and with C = Si + K = Kpl/pO the author obtains Sp = C(1-pJp') (2)
The relation obtained between the pressures at the ends of the tubes is

from which .A ...................... . ~ -'~-
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Kinetics of the pumping of ...

S/0~?./61/0~1/002/007/01 ~
BO20/B067

is obtained as the dependence of the pressure drop at the ends of the
tubes on pressure p' at the pump. Equation (6) does not hold: in the
region of the initial~pressures. This is explained by the fact that the
flow along the tube is not constant and the conditions are quasisteady.
The pressure region pl-p2 = (C/C.+ U)(pl-Po) at the suction tube of the
� pump is the region of quasisteady conditions for the ideal case of an in-
finitely large volume (V) of the sucked-off object. The general dependence
of the.pressure difference at the ends of the tube on pressure p' is shown
in the Fig.

card

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S/057/61/0~ 1/002/00~/01 5
Kinetics of the pumping of ... BO20/BO67

(the direction of the change of function p-p' ~ f(p,) with ti~e being in-'
dicated by arrows). The relations obtained can be practically applied.
Equation (6) indicates that in the absence of negative sources pressure
drop at the ends of the tube becomes zero. This is an advantageous
criterion when examining the tightness of the system. Practical experi-
ments were made with a vapor-oil pressure pump Cb H -1 (SDN-1) in a pres.-
sure region in which the conditions of evacuation can be regarded as steady,
whereas the conditions of air flew are molecular. The evacuation kinetics
are determined by equation (8) P--Po~--(P~--Po)e ,'

taking account of the backflow into the object, where V is the volume of
the sucked-off object. There are 1 figure and 3 Soviet-bloc references.

ASSOCIATIONs Taganrogskiy radiotekhnicheskiy institut (Taganrog Radio-
technical Institute)

� SUBMITTED: October 16, 1959
~' Card 4/4

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AUTHOR:

TITLE:

S/141/62/005/001/015/02~
EZ05/E455

~:alyshev, ~
'-Theory of plate diode with a uniform cathode under
saturation conditions

PERIODICAL: Izvestiya vysshikh uchebnykh zaveden~y. Radiofizil~.
v.5, no.1, 1962, 128-155
TEXT: This paper was presented at the Conference of 5IV ~nd
SSO SSSR on Radioelectronics, Khar'kov, 1961 and at the
?th Scientific-Technical Conference of the Taganrog Radioengineering
Institute.
A q~antitative evaluation is made of the effect of the space
charge on the current-voltage characteristic of a plate diode
(without spots and non-uniformities) a d the consequent deviation
from Schottky's law. From energy considerations the author
derives formulae for a correction coefficient � in respect of
the nonuniformity of the field between ~h~ ~lectrodes and for a
dimensionless parameter C depending on the work function of the
cathode material, the distance between the electrodes and the
~emperature. A few actual values of C are quoted for the more
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s/1 ~ 1/~ 2/005/ooz/o~ 3/o2 ~,
Theory of plate diode ... E20~/E~35

common cathode inaterials. The following conclusions are dragon.
The space charge influence can only be ne.Elected at such high
anode potentials which often cannot be realized in practice or
demand power dissipation beyond the anode's capability. Under
more usual conditions practical errors result, for instance an
extrapolation of the current-voltage curve do~n to zero field
values will always result in too low a figure for emission current
density. ~qichardson's method for deter,nining emissivity and work
fLLnction will give values too low for both. The author then
gives a detailed method of solving the problem graphically,
obtaining near approximations to -actual conditions. The
calculations having been based on the as~'~umption of a uniform
smooth cathode, two criteria arise to test this assumption.
The experimental and theoretical values of C must coincide;
the slope of the current-voltage characteristic must follow the
"three halves power law". It is claimed that non fulfilment of
these criteria gives a measure of the non-uniformity of the
cathode. The author points out that errors arise due to fini%e
dimensions of the diode and that these errors will increase,
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S/1~1/62/005/001/013/024
Theory of plate diode ... E203/E435
decreasing diode dinlensions and increasing cuu-rent
There are 3 figures and 2 tables.

ASSOCIATION: Taganrogskiy radiotekhnicheskiy institut
(Taganrog Radioengineering Institute)

SUB~IITTED: April 15, 1961

Card 3/3

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.':UT?',C,t~ :

S/057/62/032/003/01~/019
B139/3102

~,:al shev V A

Effect of sorption or, kinetics of evacuation o� vacuum
systems

?iR!Oi)ICAL: Zhurnal tekhnicheskoy fiziki, v. 52, no. 3, lO62, 560_364

T_X?: The author develops the kinetic equation of thc ev~cuation of
vacuum systems for quasi-steady conditioms in the light of a sorption which
proceeds proportionally to pressure, and analyzes the effect of sorption
on the evacuation parameters. If the sorDtion isotherm satisfies Henry's
lax~, it follows that [dn] _ ~F f(Pl ~
~dt/ - FL 9 - ,,j , where n is the molecular
~g
concentration on the walls, /~) describes the diffusion through the
walls, ~ is a definit~ coefficient, f(p) is the adsorption per unit area,
~ is the evaporation probability of a surface molecule per unit time.
Desorption is characterized by the relation

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5/057/62/052/003/014/019
Effect of sorption on kinetics... B159/BiO2

..... ~n - ap. Hence the gas afflux to the system per second
~� u a
d;, kTq(~n ao) where q is the wal' area of the system. The ~ressure
dt
ratio is given by
~ + 2~x + ~2 _ (15)
~ o ~+~ � w2 CT! + (14)
where x = p - p�;
Since ~2 2
>"~o is satisfied in any case and the conditions at ~he onse~ o~'
o; -~ (~ -~ )Xo (~)
evacuation always ~arantee the inequalities Xo... o
the soiu~ion of (13) represents a monotonically decreasing function. The
p - pC
dependence -In �(t) is represented by a straight line of the
Pin
slop~ ~oward ~he ~ime axis(dashed line in Fig. 1); in ~he case of
l�~rge t, the slope may come up to ~- ~ (full line in Fig. 1). Owing to

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Effect of sorption on kinetics...

S/0~7/62/0~2/~0~/~14,/C~9

sorptien, zhe slope of the curve ir, dicatod by the full line toward the
d :shed curve decreases d,~rin~; ev,'Lcuation thus indicatinf~ decreasiag
evacuation rate. 5orpt~on is moot ~istinct at small time constants

�--~ and iow temperatures. There are 2 figures and ~ references: ) Soviet
and 2 non-Soviet.

ooO~IATiON: Taganrogskiy radiotekhnicheskiy institut (Taganrog Institute
of ~adio ' ' ' ~
Eng~neer~ng~

SUSL~iTTED: April 17, 1961

Card ~/~

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AUTb~OR: ,V ' S/'C57/62 "0

- '~alzshev, ';. A.
~Z TLE: _
ZhurnalS$~metrlcai statiOnar$ problem of isothermic ~as diffUSion
PERIOSIcAL :
tekhnlcheskoj ziziki, v. ~, no. ~2, ~962,
TEXT: The stationar3 solution of the tO%al differential equations

DuW (In ~)
dt '

describing the ~sO~hermic diffusion of a '

szagle-e�m~�nent ~ae ls s~UdIed.

holds for the diffusion ~ a, VC1 + ~) .
Card ~/3 c�efficl~t, ~vhere ~ is the mJss
of
the
molecule,

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Symmetrical stationary [robiem...

C the Sutherland constant, d the dia~eter of the molecule, ~ the concentra-
tion. If the boundary conditions are ,Ix.x1 - v1 and vI - v2 and
, x~x2
the diffusion is one-dimensional the stationary solution of (4) can be
written in the form

For the gas flow through the unit cross-section

is given, if Q is kno,';r., one of the boundary conditions can be fo,:nd.
The stationary solution of k4) with axlalld symmetrical diffusion
given in :he form

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Symmetrical stationary problem...

$/057/62/�~2/0~2/0~1/017
B104/B186

if the bounc~ary conditions are uir~ = v and if v
r1 1 = u2. 2he gas

flow through a cylindrical surface of unit length is obtained from
I- Y_.L.!
d(In ',')
~. '~ � (~).

~e so~t&on o~ (4) �o~ & st&t&o~8~y cent~sZ-s~et~ic&Z 8&~us2on t~es tSe
~o~m

~ (~o)

subject also to
d (ln ~) 4~D,~,P, In ~

if the boundary conditions are analogous as above.

ASSOCIATION: Taganrogskiy radictekhnicheskiy institut (Taganrog Radio
Engineering Institute)

SUBNITTED: March 20, l~62.(initially~
Card 3/3 June 26,'1962 (after revision)

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[Emer~fency stor. at ioFicai aid l i;eotlozl~maia
cheskai8 po:.oshch~. Lenln,;rad, P. edituina~ 19~�. 1[o ~.
(I.'.I.-~

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MALYSHEV, VoAo

Phenomenological theory of one-component dif�uslono ,rzv~ rye. ucheb.
ZaVo~ fizo 8 nOo'2~70~,72 '65. ,(M/RA 18~7)

1o Ta�anrogskiy rad!otekhnicheskiy instituto

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MALY�HEV, V.A,

The lB of corresponding states for the temperatu.~e
depen�~ence of steam pressure in a steam-saturated
liquid. Izv, vys. ucheb, zav.; f[z. 8 no.A:].A?-!50
(M~-~ 12:12)
1. Tags. nrogskiy rad~otekhn. Jcheskiy instltut. Submitted
J~nuary ?9, 1965.

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'i saG:

SOURCE CODE:" ual0109 I&sl0 l010091163s11645

TITLE: ApProximation of the curren~.*voltafe cimracterimtic of a tunnel diode by
polynomial-s- in a quasi.linear analysts o~ tho diode operation

i'SOUltCEi 'hdl�tekhniks s elektroulim, v. 10, no,. 9, 196S, ~63S-164S

:'- ~ TOPIC",TAG~{'! tunnel di~de, CUrrent voltase characteristic, eXeetrontc mplifle~.
~= ; eiec~c ciZ~tt, electro~ic o~illa~

~ ~ei~ecirc~tl in 8 quft-~ear a~ro~m~l~. T~ presen~ aru~
}a~e~ts t� Solve. ~l pr0Mem by represen~nE tb ~e curre~ aa ~ ~nen~d
, pol~o~ ~' voltqes across tb ~e deple~ l~r. Fo~as for

';Card 112 .... UDC: 621.382.233.001

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approximattnB the 'I-V curve by 8en~ral polynoml*18 o! the Srd, 4th, 5th,
riotic
desre, polyaomi~l, pi. so, -or.~_,_~:..~..;,, formuh, are intended for m~tysm$ me
d the ne ative,resiotance .p..n~.ue, ~m ..... a., . ...si-linear almroxima-

tion. An exl)emmen~' va,-..
6 flsures r. nd 57' forrf~21&so "
SUB GODE: 09 / SUBM DATE: 26~(,~,~64 I OKIG REF: 00S I OTH REF: 004

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TITLE:_ Investigation of nonlinear characteristics of a complete equivalent circuit
of the t~nnel- diode

TOPIC TAGS: t-.nel diode, semiconductor diode

:.';i:i,:;ii;/i'~BST'iC':'' -'l:,/~he connection between the parameters, of the complete tunnel-diode
?e~6i~al'eL� ci~Uit.:(See� fl~ure) and the nonitn6ar characteristics of an equivalent
;d~tle.a-g~ admi~ta.ce is investigated. The depletion-l&yer nelsative conductance is
assumed to'depend on the voltage amplitude Aa across ~he depletion layer as:
~ ~---.-:~(i ~ v~.~)l - Xd== ~1~[~ wh~re-u~ is the vallelr volia&e o~ ~he depletion-

??r.d 1/2: UDG** 621.382.233: 559.2,012

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A de~ce for test~n~ a~ res~ato~ aPp~at~Cl~s ~, No.

TO~IC T~3=. testator, pFes~e ~tor~

= T~s Author Ce~cate prOsen~ a de~co for test~ a d~ resp~ate~
aPp~atus. Tho d~c~ cont~ns ~ sensitive ~eme~ ~n t~ fo~ of a ~r~e d~v~dlaS

re~o~e to t~ te~ ~ess~e. p ess~e de~ by a s~ce of co~re~s~

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� r. 27890,~6
ACC Nm

art,. ba~s .1. figure. ....

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KLOSS, B,M.~ MAL�SH$,~, V~A~

Determining the corelle�try of some cla.~e~s of furctlon~,
Vest, Mosko
(MIR/, l~-~'
l, Kafedra teorl~ veroyatnontl ~skovskc. go Kos~arstvenr. c, ao
Universi~eta ~menl M,V, l~mc. nosova,

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ACC :