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Data Sheet XE1202
QAMP VDDD VDDF VDDP IAMP VDDA VDD
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IAmp QAmp SCAN
I RFA LNA RFB Q
AMP
BPF
AMP
Limiter DCLK FSK Demod. Bit Sync. DATAOUT
AMP
BPF
AMP
Limiter
Pattern Recognition LO Buff. Phase Shifter Prog. divider RSSI FEI
PATTERN MODE 0 MODE 1
Control Logic modulator /n Synthesizer POR Oscillator /n Clock Out I Ref
MODE 2 SI SO
RFOUT
PA
VCO
PFD
SCK EN
DATAIN
VSSD
VSSF
VSSF
VSSP
VSSP
CLKOUT
TSUPP
TKA
TKB
XTA
XTB
LFB
TVCO
VSSA
XE1202
433MHz / 868MHz / 915MHz Low-power, integrated UHF transceiver
GENERAL DESCRIPTION
The XE1202 is a single chip transceiver operating in the 433, 868 and 915MHz license free ISM (Industry Scientific and Medical) frequency bands.