Beams Document 7133-v1

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4-8 GHz Petter 180 Hybrid for the Pbar Debuncher Pickup

Document #:
Beams-doc-7133-v1
Document type:
Note
Submitted by:
Edward W. Cullerton
Updated by:
Edward W. Cullerton
Document Created:
19 Mar 2019, 14:55
Contents Revised:
19 Mar 2019, 14:55
Metadata Revised:
20 Mar 2019, 08:59
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Abstract:
This paper describes the circuit card, assembly, and measured results of the 4-8
GHz Petter hybrid used in the debuncher pick up tanks. The hybrid operates at liquid
helium temperature inside the pickup tanks. The circuit enclosure was designed by trial
and error to obtain the best measured results. Measurements were made at room
temperature and at liquid nitrogen temperature. This hybrid was chosen due to its
excellent amplitude and phase balance, good bandwidth characteristics, and excellent
common mode rejection in difference mode.
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