Micrel
MICRF219
Functional Diagram
CAGC
UHF
DOWNCOVERTER
CONTROL
LOGIC
DESENSE
AGC
CONTROL
MIXER
LNA
MIXER
-f
f
IF AMP
DETECTOR
RSSI
RSSI
i
f LO
IMAGE
REJECT
FILTER
CONTROL
LOGIC
PROGRAMMABLE
FILTER
OOK
DEMODULATOR
SYNTHESIZER
SLICER
SLEEP
OSCILLATOR
SLEEP
TIMER
BITCHECK
WAKE-UP
DO'
DO
AUTOPOLL
SQUELCH
CTH
DO
REFERENCE
OSCILLATOR
DO'
CONTROL
LOGIC
CONTROL
LOGIC
SLICE
LEVEL
REFERENCE
AND CONTROL
Figure 1. Simplified Block Diagram
June 2011
6
M9999-060811
(408) 944-0800
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