DA6179.000
22 January, 2007
TYPICAL APPLICATION
X3
Note 1
X2
Note 4
Optional
Control
X1
for AGC on/hold
VDD
VDD
Note 5
AON
QO3 QO2 QO1
AGC Amplifier
QI
Receiver
Output
Demodulator
&
Comparator
RFIP
RFIM
OUT
CANT2
CANT3
CANT1
LANT
Ferrite
Antenna
RFI2
RFI3
Power Supply/Biasing
PDN1 PDN2
VDD
VBATTERY
VSS
AGC
DEC
AGC
DEC
+
CDEC
47 nF
CDEC
47 nF
CAGC
10 µF
CAGC
10
µF
OR
Note 2
Power Down /
Fast Startup /
Frequency Selection
VDD
VDD
Note 3
Note 2
Figure 1. Application circuit of tri band receiver MAS6179.
X3
40.003 kHz
X2
60.003 kHz
Note 1
Note 4
X1
77.503 kHz
Optional
Control
for AGC on/hold
VDD
AON
QO2 QO1
QO3
QI
Note 5
Receiver
Output
Demodulator
&
Comparator
VDD
RFIP
RFIM
OUT
LANT
2.74 mH
CANT1
1.5 nF
CANT2
3.3 nF
CANT3
1.0 nF
AGC Amplifier
Ferrite
Antenna
RFI2
RFI3
Power Supply/Biasing
PDN1 PDN2
VDD
VBATTERY
VSS
AGC
DEC
AGC
CAGC
DEC
+
CDEC
47 nF
CDEC
47 nF
CAGC
µ
10
µF
10
F
OR
Note 2
Power Down /
Fast Startup /
Frequency Selection
VDD
VDD
Note 3
Note 2
Figure 2. Example circuit of tri band receiver MAS6179 for DCF77/MSF/WWVB/JJY frequencies.
6 (10)
MAS [ MICRO ANALOG SYSTEMS ]
