NTE1648 datasheet(3/3 Pages) NTE

Part #	NTE1648

Description	Integrated Circuit Telephone Tone Ringer

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Manufacturer	NTE [NTE Electronics]

Direct Link	http://www.nteinc.com

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3 / 3 page

High

Freq

OSC

Amp

Power

Supply

with

Hysteresis

Low

Freq

OSC

Output

Input

NOTE: C1, C2, R1, R2

and R3 are external

parts

R1

R2

C1

C2

1

3

4

5

6

7

8

Pin Connection Diagram (NTE1649)

Regulated Initiation Current

2

R3

85

.256 (6.52) Max

.393 (10.0)

Max

14

.300 (7.62)

.150

(3.81)

.070 (1.77) Min

.100 (2.54)

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Motorola, Inc	MC34012-1	21Kb / 1P	TELEPHONE TONE RINGER
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	UTC31002A	33Kb / 4P	TELEPHONE TONE RINGER
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