6 (10)

DA6179.000

22 January, 2007

TYPICAL APPLICATION

V

BATTERY

Receiver

Output

Power Down /

Fast Startup /

Frequency Selection

Optional

Control

for AGC on/hold

X

3

X

1

X

2

Ferrite

Antenna

C

ANT1

C

ANT3

L

ANT

C

ANT2

Note 1

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFIM

RFI2

VDD

VSS PDN1

AGC

DEC

OUT

QO3

QI

AON

QO1

QO2

RFI3

PDN2

RFIP

VDD

VDD

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

VDD

VDD

AGC

DEC

+

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

OR

Note 5

Note 4

Note 3

Figure 1. Application circuit of tri band receiver MAS6179.

V

BATTERY

Receiver

Output

Power Down /

Fast Startup /

Frequency Selection

Optional

Control

for AGC on/hold

X

3

40.003 kHz

Ferrite

Antenna

C

ANT1

1.5 nF

C

ANT3

1.0 nF

L

ANT

2.74 mH

C

ANT2

3.3 nF

Note 1

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFIM

RFI2

VDD

VSS PDN1

AGC

DEC

OUT

QO3

QI

AON

QO1

QO2

RFI3

PDN2

RFIP

VDD

VDD

X

2

60.003 kHz

X

1

77.503 kHz

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

VDD

VDD

AGC

DEC

+

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

OR

Note 5

Note 4

Note 3

Figure 2. Example circuit of tri band receiver MAS6179 for DCF77/MSF/WWVB/JJY frequencies.