HM91710A View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

MFG CO.

HM91710A

TONE/PULSE SWITCHABLE DIALER

ELAN Microelectronics 

Prev 11 12 13 14 15 16 17 18 19

IN4004*4

Tip

Ring

HMEM9197117100BB Application Example

22M

HOOK ON

100K

MPSA92

IN4148

ZNR

120V

240K

330K

0.1µF

200K

C945

+

100K

1µ

470K

100µ +

16V

.1µ

3K3

C945

12

HKS

47K

13

PO

22KK72

IN4148

5V1

11 14

V

DD

TONE

100K

47K

HFO

9 HFI

.1µ

HF

KEY

HEMM991177101B0B

5

7

OSCI

XMUTE

10

HFO

3.579545 MHz

6

OSCO

16

R1 17

R2 18

R3 15

R4

VSS C4 C3 C2 C1 4

8

321

C945

200

.02µ

2 TO 4 WIRE

SPEECH NETWORK &

AUDIO AMPLIFIER

TO HANDSET

1 2 3 P→T

4 56

F

7 89 P

* 0 # RD

820K*6

VDD

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