參數(shù)資料
型號: UTCTA31001
廠商: 友順科技股份有限公司
英文描述: TELEPHONE TONE RINGER
中文描述: 音頻電話機鈴聲
文件頁數(shù): 1/3頁
文件大?。?/td> 26K
代理商: UTCTA31001
UTC TA31001 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R108-003,A
TELEPHONE TONE RINGER
DESCRIPTION
The UTC TA31001 is a bipolar integrated circuit
designed for telephone bell replacement. It can also be
used as alarms or other alerting devices.
FEATURES
*Designed for telephone bell replacement.
*Low current drain for multiple extension of lines.
*Adjustable 2-frequency tone.
*Adjustable warbling rate.
*Built-in hysteresis prevents false triggering and
rotary dial 'CHIRPS'.
*Programmable for initiation voltage by simple
external resistor.
DIP-8
BLOCK DIAGRAM
LOW
OSC
HIGH
OSC
AMP
POWER SUPPLY (WITH HYSTERESIS)
OUTPUT
6
7
4
3
1
5
2
R3
R2
C3
C2
Note:R2,R3,C2 and C3 are parts externally mounted
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