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6

2

3

4

8

7

6

5

PCF5078

VDD

VDAC

VINT

VHOME

TR1

BC858

TXON

4

P4

VSS

VS2

VS1

VC

P3

1

1

2

32

1

3

P2

P1

12

3

4

5

BGY241

IC1

GND

MGS205

R1

1 k

Ω

R7

1 k

Ω

R9

1.5 k

Ω

R3

47

Ω

R23

100

k

Ω

R16

2.2 k

Ω

AUXDAC3

of

PCF5073x

C13

27 pF

C7

39 pF

1

2

C6

39 pF

RFOUT

VS

VC

RFIN

5

GND

2

COUPLER

HY1

GND

C5

39 pF

C11

330

µF

VBATT

RFout

RFin

3

1

CTL

BYPASS

4

6

VIN

VOUT

2

GND

5

TK11230

IC5

GND

C8

68 pF

C1

1

µF

C18

1

µF

C20

68 nF

C16

6.8

µF

VBATT

Fig.13 Application example of PCF5078.

(1) D1 and D2: type BAT62_03W