NTE1648 查看數據表（PDF） - NTE Electronics

零件编号

产品描述 (功能)

生产厂家

NTE1648

Integrated Circuit Telephone Tone Ringer

NTE Electronics 

Pin Connection Diagram (NTE1649)

R1

R2

Low

3

Freq

OSC

7

4

High

Freq

OSC

6

Amp

C1

C2

NOTE: C1, C2, R1, R2

and R3 are external

parts

Power

1

Input

5

Supply

with

Hysteresis

Regulated Initiation Current

Output

8

R3

2

8

5

.256 (6.52) Max

1

4

.393 (10.0)

Max

.150

(3.81)

.300 (7.62)

.100 (2.54)

.300 (7.62)

.070 (1.77) Min

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