Switch Settings; Jumper Settings - Semtech GS3440 User Manual

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: SW1 Settings
Switch Label Switch OFF
GS 0
BP 0

1.4 Jumper Settings

The jumpers on the EB-GS3440 board are described in the following tables:
Table 1-2: AUTOSLEEP (JP2) Jumper Settings
Label Connection
Connected (default)
Unconnected
Table 1-3: VCCO_SEL (JP3) Jumper Settings
Label Connection
SS (default)
EXT
Table 1-4: LED_EN (JP4) Jumper Settings
Label Connection
Connected (default)
Unconnected
EB-GS3440
Evaluation Board User Guide
57964 - 0 June 2012
Table 1-1
Description
Gain Select off, no change in gain
(default)
Bypass off (default)
Description
Enables the AUTOSLEEP function
Disables the AUTOSLEEP function
Description
Shared supply mode
Output uses a separate external supply
Description
LED is enabled
LED is disabled
below:
Switch ON
1 Gain Select on, 6dB gain
1
Description
Bypass on
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