SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

DESCRIPTION The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing. SPEECH CIRCUIT ■ 2 TO 4 WIRES CO

文件：188.63 Kbytes 页数：15 Pages

STMICROELECTRONICS

意法半导体

SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

DESCRIPTION The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing. SPEECH CIRCUIT ■ 2 TO 4 WIRES CO

文件：188.63 Kbytes 页数：15 Pages

STMICROELECTRONICS

意法半导体

SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

DESCRIPTION The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing. SPEECH CIRCUIT ■ 2 TO 4 WIRES CO

文件：188.63 Kbytes 页数：15 Pages

STMICROELECTRONICS

意法半导体

SPEECH AND 14 MEMORY DIALER WITH HOLD FUNCTION

ST

意法半导体