Accession Number:

ADP013343

Title:

Reliability and Stability of Novel Tunable Thin Film

Descriptive Note:

Conference proceedings

Corporate Author:

PARATEK MICROWAVE INC COLUMBIA MD

Personal Author(s):

Report Date:

2003-04-03

Pagination or Media Count:

8.0

Abstract:

A new process has been developed in Paratek Microwave Inc. to formulate stable tunable Ba, SrTiO3 BST based thin film material. Varactors, with a co-planar structure, were fabricated by using the new material. The varactor Q of 105 tested at 2 GHz was observed with average tunability of 58 at 150V 37.5 Vmicrometer. The lifetime tests indicated that this material is very stable under continuous 100 to 150 V dc bias both at the room temperature and in 70 deg C environment. Thus, this novel tunable thin film material opens a new avenue to develop high quality tunable microwave devices. Tunable IF filters have been built by using this novel material for microwave backhaul radios and handset applications. Initial results of a RF phase shifter are also included and demonstrate another application of these films.

Subject Categories:

  • Physical Chemistry
  • Electricity and Magnetism
  • Solid State Physics
  • Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE