RF2938
State Decode Table
Sleep Mode
Baseband Only
Receive Mode
Transmit Mode
Full Duplex
NOTES
BB_EN Enables:
RXIF_EN Enables:
TXRF_EN Enables:
11
Input Pins
Internally Decoded Signals
PD
RX EN
TX EN
BB EN RXIF EN TXRF EN
0
x
x
0
0
0
1
0
1
1
0
0
1
1
1
1
1
0
1
0
0
1
0
1
1
1
0
1
1
1
TX_LPF’s and buffers
Quad Demodulator mixers
Baseband VGA and gm-C LPF’s
Data Amplifiers
IF LO buffer/phase splitters
Front-end IF amplifier (RX)
RX IF VGA amplifiers
Front-end IF amplifier (TX)
TX VGA
RF upconverter and buffer
PA driver
RF LO buffer
Quad Modulator mixers
2-8
Rev A8 010418