1997 Jan 15

13

Philips Semiconductors

Product specification

Programmable multi-tone telephone ringer

PCD3360

Fig.8 Transformerless electronic ringer with PCD3360 and a loudspeaker.

handbook, full pagewidth

OSC

IS1 IS2

y

x

RR1

TS1

RR2

TR1

MGD712

RV

BST72A

D2

BAX18A

DM

TS2

FDI

FDE

OPT

TONE

FL

FH

PCD3360

VDD

VSS

VI

VH = 17 V

VL = 3.4 V

0

0

t

t

VFDI

C4

56 pF

C2

10 nF

L1

3 mH

C1

1

µF

C3

10

µF

D3

BZX79-C6V8

D1

BZW03-C68

R4

365 k

Ω

50

Ω

R3

100 k

Ω

R1

1 k

Ω

R2

680 k

Ω

(5 W)

b/a

ZI

VI

1N5060

(4

×)

a/b

handbook, full pagewidth

OSC

IS1

IS2

RR1

TS1

RR2

TR1

MGD711

PXE

transducer

RV

TR2

BST72A

BST72A

D2

BAX18A

TS2

DM

FDI

FDE

OPT

TONE

FL

FH

PCD3360

VDD

VSS

C4

56 pF

C2

10 nF

C1

1

µF

C3

10

µF

D3

BZX79-C6V8

D1

BZW03-C68

R4

365 k

Ω

R3

100 k

Ω

R5

100 k

Ω

R1

1 k

Ω

R2

680 k

Ω

(5 W)

b/a

1N5060

(4

×)

a/b

Fig.9 PCD3360 ringer with PXE transducer.