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Atmel
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| Part No. |
U3900BM
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| OCR Text |
...ntains the speech circuit, tone-ringer interface with DC/DC converter, sidetone equivalent and ear-protection rectifiers. The circuit is line-powered and contains all components necessary for signal amplification and adaptation to the line.... |
| Description |
Programmable Telephone Audio Processor
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| File Size |
749.69K /
34 Page |
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it Online |
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RICOH[RICOH electronics devices division]
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| Part No. |
R5310L R5310L001B
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| OCR Text |
...nitor, three LED drivers, and a ringer driver. Each of them can be controlled by CPU via 3-wire serial interface. These ICs make it possible to integrate almost power management and analog drivers in cellular-phone systems. The output volta... |
| Description |
Multi LDOs for Cellular-phone
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| File Size |
267.76K /
34 Page |
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it Online |
Download Datasheet |
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UTC
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| Part No. |
UTC31002A
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| OCR Text |
ringer
DESCRIPTION
The UTC 31002A is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices.
SOP-8
FEATURES
*Designed for telephone bell replacement. *Low curre... |
| Description |
TELEPHONE TONE ringer
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| File Size |
32.83K /
4 Page |
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it Online |
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ZARLINK[Zarlink Semiconductor Inc]
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| Part No. |
MH88634CV-K
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| OCR Text |
...
Status Detection
TIP Dummy ringer RING LRC LRD Loop Relay Driver Line Termination 2 - 4 Wire Hybrid
Receive Gain
RX
Transmit Gain Impedance Matching Network Balance
TX
VRLY
Figure 1 - Functional Block Diagram 1
Zarli... |
| Description |
Central Office Interface Circuit
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| File Size |
219.16K /
13 Page |
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it Online |
Download Datasheet |
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聚兴科技股份有限公司
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| Part No. |
U4090B-PFNY U4090B-PFNG3Y
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| OCR Text |
...ower down ? voice switch ? tone ringer interface with dc/dc converter ? zero crossing detection ? common speaker for loud-hearing and tone ringer ? supply voltages for all functional blocks of a subscriber set ? integrated transistor for ... |
| Description |
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| File Size |
487.96K /
35 Page |
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it Online |
Download Datasheet |
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Zarlink
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| Part No. |
MT9094 189
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| OCR Text |
...single tone generator iii) Tone ringer Differential interface to telephony transducers Differential audio paths Single 5 volt power supply
ISSUE 2
May 1995
Ordering Information MT9094AP 44 Pin PLCC
-40C to +85C
Description
T... |
| Description |
ISO2-CMOS ST-BUS? FAMILY
From old datasheet system
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| File Size |
574.32K /
34 Page |
View
it Online |
Download Datasheet |
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Price and Availability
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