SOME NEW TYPES OF INSTRUMENTS USING SEMICONDUCTORY (NEW APPLICATIONS OF THE HALL EFFECT)

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000700260006-5
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 5
• Document Creation Date: December 22, 2016
• Document Release Date: July 15, 2011
• Sequence Number: 6
• Publication Date: September 7, 1956
• Content Type: REPORT

Sanitized Copy Approved for Release 2011/07/15 :CIA-RDP80-00809A000700260006-5
STAT
Sanitized Copy Approved for Release 2011/07/15 :CIA-RDP80-00809A000700260006-5
 Sanitized Copy Approved for Release 2011/07/15 :CIA-RDP80-00809A000700260006-5
SOt~ NL'W '_"YPES OF IIQS74iUT?fr~LIS USING SE6f:000TTDUC4'ORS
1 NEW APPI,TCATIOTIS OF Tfiur? Nt11,L CFFgC"' ~
Zh?irnal Tekhni.chesko Fiziki, Vol XXPI, IIc Z
Moscow, Mar 50, pp G93 'J+
[Comment- S:Le folLo.+'in; repot; was submitted to the editors
of Zht;rnal i!ekhnicheskoy Fizi~~' ~ . - -
I}rm;bers in parentheses refer to the author's bibliorrantty
anpended~ The figure mentioned in the tcht is also app:nded to
the report.]
In the last few yearn increa-lnF,'_y f7eauent use has been rsads of the prop-
erties of scx:c galvanoma~.;etic efforts in ^emicorductors. Thus the effect of
the variation of a semiconductor's re~istanr_e ir. n :;agnetic field and the Ha11
effect have been u.,ed ;as the basis for r.hn crn,r?nn ^f espllfiers, r:odulators,,
field indicators, multiplier ~~~~- ;, ._ -;, .;'_I these uses can be divided
into two groups: th^_ fir^,t Qrcur. includes, ,: or example, ampltficrc, which can
be built without utilizing };aLvanoma.znetic effects; the other group consist..
solutipnaby sordinaryameansthe~E~~urposefofythisearticletia tooremarkwonctheefy
potentialities of this nature exhibited by so!1e devices employing the Hall
^ffect. `
Square-Iaw Dr_tectcr
Hall voltage U..: RI'i1 ,.r;-,~- ~ _~ i,; tt,,: Hail constant; I is the current
through the device,,?~ar.u B .., tt:c indunt:-^ of t:,e r.>