Integrated Circuit Telephone DTMF Dialer

Description: The NTE1690 is a low threshold voltage, field–implanted, metal gate CMOS integrated circuit in a 16–Lead DIP type package. This device interfaces directly to a standard telephone keypad and generates all dual tone multi–frequency pairs required in tone dialing systems. The tone syn

3-Phase Motor Driver????

Overview The LB1690 is a driver IC for 3-phase brushless motors. It is ideally suited for DC fan motors of air-conditioner, hotwater system. Features • 3-Phase brushless motor driver. • 45V withstand voltage and 2.5A output current. • Current limiter. • Low-voltage protection circuit. • The

Differential Driver and Receiver Pair with Fail-Safe Receiver Output

文件：221.53 Kbytes Page：12 Pages

Differential Driver and Receiver Pair with Fail-Safe Receiver Output

文件：221.53 Kbytes Page：12 Pages

Differential Driver and Receiver Pair with Fail-Safe Receiver Output

文件：221.53 Kbytes Page：12 Pages

TONE ENCODER