MAS6180 Просмотр технического описания (PDF) - Micro Analog systems
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MAS6180 Datasheet PDF : 9 Pages
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DA6180.001
27 December, 2006
TYPICAL APPLICATION (Continued)
MAS6180A5
Note 5
Ferrite
Antenna
VDD
RFIP
VDD
RFIM
Note 1
Note 4
Optional
Control
for AGC on/hold
QOP
QI QOM
AON
AGC Amplifier
Demodulator
&
OUT
Comparator
Receiver
Output
Antenna
Frequency
Selection
VDD
1.4 V
GND
Power Supply/Biasing
VDD VSS PDN
AGC DEC
VDD
CAGC
10 µF
CDEC
47 nF OR
Note 3
Power Down /
Fast Startup
Control
VDD VDD
Note 2
AGC DEC
CAGC
+
10 µF
Note 2
CDEC
47 nF
Figure 3. Dual band application circuit of external compensation capacitance option version MAS6180A5. PMOS
switch transistor is used since RFIM input is biased close to VDD voltage.
5 (9)
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