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XE1202A TrueRF™
QAMP VDDD VDDF VDDP IAMP
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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 RSSI FEI
VDDA
VDD
PATTERN
MODE 0 MODE 1
Prog. divider
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
XE1202A TrueRF™
433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF Transceiver
GENERAL DESCRIPTION
The XE1202A TrueRF™ is a single chip transceiver operating in the 433, 868 and 915 MHz license free ISM (Industry Scientific and Medical) frequency bands.