B1708 Просмотр технического описания (PDF) - EPCOS AG

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производитель

B1708

SAW IF filter Satellite radio

EPCOS AG 

SAW Components

SAW IF filter

Data sheet

B1708

72.54 MHz

Matching network1) (based on four port measurement, quality factors QL = 40, QC = 90)

Cs1

Lp2

Cs4

Lp3

Cs1 = 20 pF

Lp2 = 220 nH

Lp3 = 620 nH

Cs4 = 3.6 pF

Cs1

Cs4

1) The input matching circuit has been designed as a power match of the filter’s input port to 175 Ω. In a second step

it has been optimized in a narrow range in order to operate at 27 Ω with optimum filter performance.

Please read cautions and warnings and

important notes at the end of this document.

4 May 16, 2006

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