4 (8)

DA9178.001

10 Dec, 2003

TYPICAL APPLICATION

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFP

RFM

VDD

VSS

PDN

AGC

DEC

OUT

QOP

QI

QOM

AON

+

1.4 V

Receiver

Output

C

AGC

10 µF

C

DEC

47 nF

Note 3

Power Down /

Fast Startup

Control

Note 2

Note 1

Note 4

Optional

Control

for AGC on/hold

Ferrite

Antenna

Figure 1

Application circuit of internal compensation capacitance version MAS9178A1.

AGC Amplifier

Power Supply/Biasing

Demodulator

&

Comparator

RFP

RFM

VDD

VSS

PDN

AGC

DEC

OUT

QOP

QI

QOM

AON

+

1.4 V

Receiver

Output

C

AGC

10 µF

C

DEC

47 nF

Note 3

Power Down /

Fast Startup

Control

Note 2

Note 1

Note 4

Optional

Control

for AGC on/hold

Ferrite

Antenna

C

Figure 2

Application circuit of external compensation capacitance version MAS9178A5.