TRIP REPORT - MINIATURE IF AMPLIFIERS, RD-107, T.O. 12, 10 DEC 59

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-03424A000500050021-0
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 22, 2016
• Document Release Date: February 15, 2012
• Sequence Number: 21
• Publication Date: December 30, 1959
• Content Type: MEMO

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Declassified in Part - Sanitized Copy Approved for Release 2012/02/15: CIA-RDP78-03424A000500050021-0
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0 ce 1VIelnor nduln ? UNITED STATES GOVERNMENT
- The Files - RD-107, Task Order 12
suBJ$c~r: Trip Report - Miniature IF Amplifiers /< ~'~"/~~ /~ f ~i ~~") ~~
to monitor the progress made in developing
wo ature amp .Y'~ers; one using single conversion with a crystal
filter as the bandpass determining element, and the second employing
double conversion with a ceramic resonator as the bandpass determing
element. Persons present for discussions were:
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turned over to section for final testing and evaluation 25X1
and selections or op imam performance previous to assembly in this 25X1
amplifier.
has dust finished makin a dial atc es of ceramic resonators25X1
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stated that) 25X1
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then introduced a 25X1
0 25X1
are interested in a R+D program 25X1
or eve oping car c f lters which would range in frequency from 1 to ~
30 mc. Such materials as Zicronate would be investigated. The size of .
such materials used would range from .001 isr~h thickness on down to .008 25X1
inch depending upon the frequency. Two physical forms would be utilized;
a disc whose thickness determines the electrical characteristics and
whose mode of vibration would be across the thickness, and a rectangular
form whose length determines the electrical characteristics with the mode
of vibration longitudinal to the length. indicated that such 25X1
plating the electronic circuitry or a crystal filter.
techniques for fabricating these crystals is well understood and that
no difficulty is anticipated in ',meet the specified requireoments.
Upon receipt of these crystals section will undertake com- 25X1
3. The c stal filters being developed at 25X1
b vered to 25X1
aroun a irs o e year. indicate tat t e construction 25X1
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DRIG CLASS?.~- PAGES ~ RsY CLASS ~~
JUST _.~~ NEXT REY ~/D AuTN: NN fl-I
DnTE: 30 December 1959
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Declassified in Part - Sanitized Copy Approved for Release 2012/02/15: CIA-RDP78-03424A000500050021-0
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Declassified in Part - Sanitized Copy Approved for Release 2012/02/15: CIA-RDP78-03424A000500050021-0
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SUBJECT: Trip Report - rli.niature IF Amplifiers
an effort would provide a filter having a lower insertion loss, be
cheaper, and smaller in size than conventional filters. The writer
informed 0 that the Government, at this time, has no real 25X1
interest in sponsoring such a development.
Distribution:
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Monthly (2)
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Declassified in Part - Sanitized Copy Approved for Release 2012/02/15: CIA-RDP78-03424A000500050021-0