RF5840 Datasheet, PDF (3/9 Pages) RF Micro Devices – Mobile Devices

RF5840
Pin Names and Description
Pin
Name Description
1
C_TX
Control pin for Tx to ANT.
2
ANT
Antenna port. Internally matched to 50. External DC block required.
3
VDD
Switch supply voltage. It is recommended to use a low frequency bypass capacitor to filter out noise.
4
C_RX
Control pin for ANT to Rx.
5
C_BT
Control pin for ANT to BT.
6
BT
Bluetooth port. Internally matched to 50. External DC block required.
7
GND
Ground connection. Ground as close as possible to the package pin.
8
RX_OUT ^{Receiver output port. Internally matched to 50. External DC block.}
9
GND
Ground connection. Ground as close as possible to the package pin.
10
TX_IN
Transmit input port. Internally matched to 50. External DC block required.
Switch Control Logic
Mode
C_TX C_RX C_BT VDD
Comments
Tx-ANT
H
L
L
H
Tx Port to ANT Port
Rx-ANT
L
H
L
H
Rx Port to ANT Port
BT-ANT
L
L
H
H
BT Port to ANT Port
Rx/BT-ANT*
L
H
H
H
Simultaneous Rx and BT to ANT Port
Off
L
L
L
L
Off Mode
*The SP3T Switch can be placed in simultaneous receive WiFi Bluetooth modes with increased insertion loss.
DS120516
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
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