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參數(shù)資料
| 型號： | L3235T |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶線接口電路 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 457K |
| 代理商： | L3235T |
This isadvanced information on anew product now in development or undergoing evaluation. Details are subject to change without notice.
Janauary 1995
HIGHLY INTEGRATED SUBSCRIBER LINE
INTERFACE KIT FOR PABX AND KEY SYS-
TEM APPLICATIONS
IMPLEMENTS ALL KEY ELEMENTS OF THE
BORSCHT FUNCTION
INTEGRATED ZERO CROSSING BALANCED
RINGING INJECTION ELIMINATES EXTER-
NAL RELAY AND CENTRALISED RINGING
GENERATOR
ZERO NOISE INJECTED ON ADJACENT
LINES DURING RINGING SEQUENCE
LOW POWER IN STANDBY AND ACTIVE
MODES
BATTERY FEED WITH PROGRAMMABLE
LIMITING CURRENT
PARALLELLATCHED DIGITAL INTERFACE
SIGNALLING
FUNCTIONS
GND-KEY)
LOW NUMBER OF EXTERNAL COMPO-
NENTS
INTEGRATEDTHERMAL PROTECTION
INTEGRATED OVER CURRENT PROTEC-
TION
0
°
C TO70
°
C: L3234/L3235
-40
°
C TO 85
°
C: L3234T/L3235T
(OFF
HOOK,
DESCRIPTION
The L3234/L3235is a highly integrated SLIC KIT
targeted to PABX and key system applications
The kit integrates the majority of functions re-
quired
to
interface
a
L3234/L3235implements the main featuresof the
broths function:
- Battery Feed (BalancedMode)
- Ringing Injection
- SignallingDetection
- Hybrid Function
The Kit comprises 2 devices, the L3234 ringing
telephone
line.
The
injector fabricated in Bipolarin 140V Technology.
Its function is to amplify and inject in balanced
mode with zero crossing the ringing signal. The
device requires an external positive supply of
100V and a low level sinusoid of approx.
950mVrms. The L3235 Line Feeder is integrated
in 60V Bipolar Technology. The L3235 provides
batteryfeed to the line with programmablecurrent
limitation. The two to four wire voice frequency
signal conversion is implemented by the L3235
and line terminating and balance impedances are
externally programmable. The L3234/L3235kit is
designed for low power dissipation. In a short
loop conditionthe extra power is dissipated on an
external transistor. The Kit is
wire parallel bus and interfaces easily to all first
and programmable second generation COMBOS.
(seefigg. 1 and 2)
controlled by five
HEPTAWATT
ORDERING NUMBER:
L3234
PLCC28
ORDERING NUMBER:
L3235
L3234
L3235
HIGHLY INTEGRATED SLIC KIT TARGETED TO PABX
AND KEY SYSTEM APPLICATIONS
1/26
相關(guān)PDF資料 |
PDF描述 |
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| L3234 | CAP CER 1.5UF 50V 20% X7R 1812 |
| L3235N | HIGHLY INTEGRATED SLIC KIT TARGETED TO PABX AND KEY SYSTEM APPLICATIONS |
| L3235 | CAP CER 1.5UF 100V 10% X7R 1812 |
| L34024 | Optoelectronic |
| L34035 | Optoelectronic |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L323C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:THYRISTOR MODULE|BRIDGE|HALF-CNTLD|CA|280V V(RRM)|15A I(T) |
| L323ED | 制造商:Kingbright Corporation 功能描述:LED Uni-Color Orange 625nm 2-Pin |
| L323F | 制造商:CRYDOM 制造商全稱:Crydom Inc., 功能描述:Power Modules |
| L323GD | 制造商:Kingbright Corporation 功能描述:LED Uni-Color Green 565nm 2-Pin |
| L-323GD | 制造商:Kingbright Corporation 功能描述: |
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