HM91710A View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

MFG CO.

HM91710A

TONE/PULSE SWITCHABLE DIALER

ELAN Microelectronics 

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HEM9911771100AA Application Example

Tip

Ring

IN4004*4

22M

HOOK SW

100K

ON

OFF

MPSA92

240K

IN4148

ZNR

2K2

120V

330K

IN4148

Z.D. 2K7

5V1

1

2 3 P→T

4 56 F

7 89 P

*

0 # R/P

VDD

MPSA42

100K

11

PO

IN4148

.1µ 100µ

16V

9

VDD

470K

10

HKS

4

1

2

C1

TONE

C2 HEMM991771100AA

12

3 C3

C4

7

XMUTE

14

15 R1

16 R2

13 R3

R4

OSCI OSCO

VSS

5

6

8

100µ/16V

220K

C945

1µ

100K

2 WIRE TO 4 WIRE

SPEECH NETWORK

TO HANDSEET

820k*6

3.579545MHz

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