5 (15)

DA6181B.002

5 May, 2011

TYPICAL APPLICATION

V

BATTERY

Receiver

Output

Power Down /

Fast Startup /

Frequency Selection

Optional

Control

for AGC on/hold

X

1

X

2

Ferrite

Antenna

C

ANT1

C

ANT2

L

ANT

Note 1

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFIM

RFI2

VDD

VSS PDN1

AGC

DEC

OUT

QI

AON

QO1

QO2

PDN2

RFIP

VDD

VDD

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

VDD

VDD

Note 5

Note 4

Note 3

Figure 1. Application circuit of dual band receiver MAS6181

V

BATTERY

Receiver

Output

Power Down /

Fast Startup /

Frequency Selection

Optional

Control

for AGC on/hold

X

2

40003 Hz

Ferrite

Antenna

C

ANT1

1.9 nF

C

ANT1

2.4 nF

L

ANT

3.64 mH

Note 1

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFIM

RFI2

VDD

VSS PDN1

AGC

DEC

OUT

QI

AON

QO1

QO2

PDN2

RFIP

VDD

VDD

C

AGC

10 µ

µ

µ

µ

F

C

DEC

47 nF

Note 2

VDD

VDD

Note 5

Note 4

Note 3

X

1

60003 Hz

Figure 2. Example circuit of dual band receiver MAS6181 for JJY 60 kHz and 40 kHz frequencies