Preliminary Technical Data
EVAL-ADF4602EB1Z
Rev. PrC | Page 9 of 37
Switch Control
The ADF4602 general purpose digital outputs [GPO1:4] are
used to control the RF switches.
Table 3
shows the truth table
for the various modes of transmit and receive. See the board
schematic for more details of the implementation.
GPO1 GPO2 GPO3 GPO4
BST Tx & Rx
Off DC On On
869-894MHz monitoring
Off Off On Off
925-960MHz monitoring
Off On Off Off
1805-1880MHz monitoring
On Off On Off
1930-1990MHz monitoring
On
On
Off
Off
2110-2170MHz monitoring
On DC Off On
Table 3. Truth table for control of RF switches with GPO1:4. DC =
don't care bits
Figure 12. Transmit ACLR for TM5, 8channels:- Ouput power = +13dBm. ACLR = -47.8dB
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