DEAR GENE:

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP81B00961R000100140049-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 1
• Document Creation Date: December 12, 2016
• Document Release Date: June 25, 2002
• Sequence Number: 49
• Publication Date: May 9, 1963
• Content Type: LETTER

Approved For Release 2002/09/04: CIA-RDP81 800961 R000100140049-8
O A-2 9O-63
9 143Y 1963
ntl:,r-
a the information on the two tubes we discussed
1 Type GI-6B has the following maxi published
ratings: max frequency, 1700 Mc; max anode dissipation,
350 watts; peak anode voltage (up to 10 microsecond
pulse lengths), 9 KV; peak cathode current, 20 amp
Representative maximum peak power outputs are estimated
at 11 KW at 1700 Mc and 10 KW at 700 Mc
2 Type GI-11B, a similar metal-ceramic triode,
has a maximum rating of ?30 watts dissipation, 2 KV
peak,, and 1.5 amps peak, and an estimated maximum
power output at 700 Mc of about 1.5 KW.
:sincerely ;,yours,
25X1A
EAD/O cci
Distri u on:
Cy 1 - Sylvania, EDL
2 - EAD/OSA chrono
RB/OSA
Approved For Release 2002/09/04: CIA-RDP81 800961 R000100140049-8