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Part Name(s) : DBL5001 DBL5002
Daewoo
Daewoo Semiconductor
Description : TONE Ringer

TONE Ringer

The oscillator frequencies can be adjusted over a wide range by selection of external components

APPLICATIONS
○ Telephone tone Ringers
○ Alarms or other alerting devices
○ Extension tone Ringer modules

Part Name(s) : SAN3021 SAN3022
Sames
South African Micro Electronic Systems
Description : SA2531/2 Single Chip Telephone: Using dynamic microphone as tone Ringer

Scope
This Application Note describes how to modify the standard application AN1500A to use a dynamic microphone instead of the standard electret microphone. Additionally, an application is shown, which uses the dynamic microphone as tone Ringer.

Key Features
• Updating existing systems using dynamic handset microphone
• No need for a piezo Ringer when using the dynamic microphone as tone Ringer

Part Name(s) : BA8205 BA8205F
ROHM
ROHM Semiconductor
Description : Tone Ringer

Tone Ringer

This IC is a tone Ringer for generating bell sound from call signal.

Features
1) Absolute maximum supply voltage 40V
2) High output level
3) Pincompatible with Ba6565A, ML8205

Applications
   Telephone, ITS, TAM, FAX, etc.

Part Name(s) : IN2410 IN2410N IZ2410
Integral
Integral Corp.
Description : Tone Ringer

Tone Ringer

The IN2410 is a bipolar integrated circuit designed for telephone bell replacement.

•  Designed for Telephone Bell Replacement
•  Low Curent Drain
•  Adjustable 2-frequency Tone
•  Adjustable Warbling Rate
•  Extension Tone Ringer Modules
•  Alarms or Other Alerting Devices
•  External Triggering or Ringer Disable
•  Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : SL2411D SL2411N SL2411
System-Logic
System Logic Semiconductor
Description : Tone Ringer

Tone Ringer

The SL2411 is a bipolar integrated circuit designed for telephone bell replacement.

• Designed for Telephone Bell Replacement
• Low Curent Drain
• Adjustable 2-frequency Tone
• Adjustable Warbling Rate
• Extension Tone Ringer Modules
• Alarms or Other Alerting Devices
• Adjustable for Reduced Supply Initiation Current.
• Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : SL2411 SL2411N SL2411D
SLS
System Logic Semiconductor
Description : Tone Ringer

Tone Ringer

The SL2411 is a bipolar integrated circuit designed for telephone bell replacement.

 • Designed for Telephone Bell Replacement
 • Low Curent Drain
 • Adjustable 2-frequency Tone
 • Adjustable Warbling Rate
 • Extension Tone Ringer Modules
 • Alarms or Other Alerting Devices
 • Adjustable for Reduced Supply Initiation Current.
 • Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : IN2411 IN2411N
Integral
Integral Corp.
Description : Tone Ringer

Tone Ringer

The IN2411 is a bipolar integrated circuit designed for telephone bell replacement.

•  Designed for Telephone Bell Replacement
•  Low Curent Drain
•  Adjustable 2-frequency Tone
•  Adjustable Warbling Rate
•  Extension Tone Ringer Modules
•  Alarms or Other Alerting Devices
•  Adjustable for Reduced Supply Initiation Current.
•  Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : IL2410 IL2410N IL2410D
INTE-ElectronicGRAL
Integral Corp.
Description : Tone Ringer

The IL2410 is a bipolar integrated circuit designed for telephone bell replacement.

• Designed for Telephone Bell Replacement
• Low Curent Drain
• Adjustable 2-frequency Tone
• Adjustable Warbling Rate
• Extension Tone Ringer Modules
• Alarms or Other Alerting Devices
• External Triggering or Ringer Disable
• Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : SL2410 SL2410N SL2410D
System-Logic
System Logic Semiconductor
Description : Tone Ringer

The SL2410 is a bipolar integrated circuit designed for telephone bell replacement.

• Designed for Telephone Bell Replacement
• Low Curent Drain
• Adjustable 2-frequency Tone
• Adjustable Warbling Rate
• Extension Tone Ringer Modules
• Alarms or Other Alerting Devices
• External Triggering or Ringer Disable
• Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’

Part Name(s) : U4037B
Temic
Temic Semiconductors
Description : Low Voltage Speech Circuit with Tone Ringer Interface

Description
TELEFUNKEN microElectronic’s low voltage speech and Ringer interface circuit, U4037B performs all necessary speech, line interface functions and the tone Ringer required in an Electronic telephone set. The circuit is line powered and contains all components necessary for amplification of signals and adaption to the line. The power supply of U4037B provides the MCU during the ringing and the speech mode.

Features
Speech Circuit
● Adjustable dc characteristic
● Symmetrical input of microphone amplifier
● Receiving amplifier for dynamic or piezo-electric earpieces
● Automatic line loss compensation
● MCU controlled earphone gain 8 dB
● Anti-clipping in transmit direction

Tone Ringer Interface
● Adjustable volume via 2 bit D/A converter
● Adjustable threshold
● MCU power supply

Benefits
● Low number of external components

Applications
    Standard, telephones, fax machines

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