Semtech EB-GS3440, Руководство пользователя

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EB-GS3440
Evaluation Board User Guide
57964 - 0
June 2012
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1.3 Switch Settings
A two-point dip switch (SW1) provides the GS3440’s input selection. The switch
positions are marked on the silkscreen, and are described in
Table 1-1 below:
1.4 Jumper Settings
The jumpers on the EB-GS3440 board are described in the following tables:
Table 1-1: SW1 Settings
Switch Label Switch OFF Description Switch ON Description
GS 0
G ain S elect off, no change in gain
(default)
1 G ain S elect on, 6dB gain
BP 0 Bypass off (default) 1 Bypass on
Table 1-2: AUTOSLEEP (JP2) Jumper Settings
Label Connection Description
C onnected (default) Enables the AUTO S LEEP function
Unconnected Disables the AUTO S LEEP function
Table 1-3: VCCO_SEL (JP3) Jumper Settings
Label Connection Description
SS (default) S hared supply mode
EXT Output uses a separate external supply
Table 1-4: LED_EN (JP4) Jumper Settings
Label Connection Description
C onnected (default) LED is enabled
Unconnected LED is disabled