TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l

Miscellaneous

The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone(DTMF) dialing, Handfree dialing, keying tone ,and lock functions. The lock function Tone/Pulse switchable.\n Wide operating voltage from 2.0 V to 5.5 V.\nLow operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.\nAdding resistor on keyboard scan pin that can select many telephone specifications, such as :\n Pulse rate,M/B ratio, Flash time, lock dialing functions.\nSDO fu;

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION\nThe EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series\nprovide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone\n(DTMF) dialing, Handfree dialing, keying tone ,and lock func • Tone/Pulse switchable.\n•Wide operating voltage from 2.0 V to 5.5 V.\n• Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.\n• Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate,\nM/B ratio, Flash time, lock dialing functions.\n;

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR

GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is composed of T/P dialer. The EM91401 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and l