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U2538B_05 Datasheet, PDF (2/9 Pages) ATMEL Corporation – IR Receiver for Data Communication | |||
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Figure 1-2. Block Diagram
VS
RF0
RF
BIAS
IN
BPF
TIA
CGA
AGC
ATC
AGND
CAGC
CAGC
VS
+ Comp 1
-
Vth
&
+
- Comp 2
DEM
dt
INT
ST
100 kâ¦
OUT
DGND
TIA
CGA
BPF
AGC
Transimpedance amplifier
Controlled gain amplifier
Bandpass filter
Automatic gain control
ATC
DEM
INT
ST
Automatic threshold control
Demodulator
Integrator
Schmitt trigger
2 U2538B
4717BâIRRCâ09/05
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