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Manufacturing.

Model X3DC35P1S

Rev D

Doherty Amplifier Configuration

Doherty Combiner Pin Configuration

The X3DC35P1S has an orientation marker to denote Pin 1. Once port one has been identified the other ports are

known automatically. Please see the chart below for clarification:

Pin 1

Pin 2

Pin 3

Pin 4

Combining Port

Not Used

Peak Amp Port

Main Amp Port

There are inevitably short lines associating with input ports in some high frequency band parts. The length of the

short line is specified as electrical length at center frequency and noted as port extension in this datasheet. The

designer should take this length into the consideration to optimize the offset line length.

Pin 2

Pin 4

Pin 1

Pin 3

50Ω

35

Ω

50Ω

90°

90°

Main Amp

Peak Amp

35

Ω

RF input

NC

RF output

0°

90°

Offset line

Port Extension

Anaren Doherty

Combiner

50Ω