DA6179.000
22 January, 2007
TYPICAL APPLICATION
X
3
X
2
X
1
Note 1
Note 4
Optional
Control
for AGC on/hold
QI
AON
Demodulator
&
Comparator
OUT
Receiver
Output
Note 5
RFIP
VDD
QO3
C
ANT3
C
ANT2
VDD
QO2 QO1
L
ANT
C
ANT1
AGC Amplifier
Ferrite
Antenna
RFIM
RFI2
RFI3
Power Supply/Biasing
VDD
V
BATTERY
VSS PDN1 PDN2
AGC
C
AGC
10
µ
F
Note 3
Power Down /
VDD
VDD
Fast Startup /
Note 2
Frequency Selection
DEC
C
DEC
47 nF
AGC
C
AGC
10
µ
F
+
DEC
C
DEC
47 nF
OR
Note 2
Figure 1.
Application circuit of tri band receiver MAS6179.
X
3
40.003 kHz
X
2
60.003 kHz
X
1
77.503 kHz
Note 1
Note 4
Optional
Control
for AGC on/hold
QI
AON
Demodulator
&
Comparator
OUT
Receiver
Output
VDD
Note 5
L
ANT
2.74 mH
RFIP
VDD
QO3
QO2 QO1
C
ANT1
1.5 nF
C
ANT3
1.0 nF
C
ANT2
3.3 nF
AGC Amplifier
Ferrite
Antenna
RFIM
RFI2
RFI3
Power Supply/Biasing
VDD
V
BATTERY
VSS PDN1 PDN2
AGC
C
AGC
10
µ
F
Note 3
Power Down /
VDD
VDD
Fast Startup /
Note 2
Frequency Selection
DEC
C
DEC
47 nF
AGC
C
AGC
10
µ
F
+
DEC
C
DEC
47 nF
OR
Note 2
Figure 2.
Example circuit of tri band receiver MAS6179 for DCF77/MSF/WWVB/JJY frequencies.
6 (10)
MAS [ MICRO ANALOG SYSTEMS ]
