Part Number
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UTC2411 |
Manufacturer
|
Hangzhou Silan Microelectronics |
Description
|
Tone Ringer |
Published
|
Dec 3, 2005 |
Detailed Description
|
UTC2411
TONE RINGER
DESCRIPTION
The UTC2411 is a bipolar integrated circuit designed for telephone bell replacement.
LI...
|
Datasheet
|
UTC2411
|
Overview
UTC2411
TONE RINGER
DESCRIPTION
The UTC2411 is a bipolar integrated circuit designed for telephone bell replacement.
LI NEAR I NTEGRATED CI RCUI T
FUNCTIONS
*Two oscillators *Output amplifier *Power supply control circuit
FEATURES
*Designed for telephone bell replacement.
*Low current drain.
*Small size 'MINIDIP' package.
*Adjustable 2-frequency tone.
*Adjustable warbling rate.
*Built-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
*Extension tone ringer modules.
*Alarms or other alerting devices.
*Adjustable for reduced supply initiation current.
DIP-8
BLOCK DIAGRAM
R2 C3 R3
4
7
6
C2
1
POWER SUPPLY (WITH HYSTERESIS)
5
2
Note:R2,R3,C2 and C3 are parts external...
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