KA8503 Datasheet - Samsung Semiconductor

KA8503 Low Voltage Speech Network

Pin No 1 2 3 4 5 6 7, 8, 9 10 11 12, 13 14 15 16 17, 18 Symbol V+ TXO TXI VDD MUTE GR ST1, ST2, ST3 STO MIC0 MIC1, MIC2 VRXI RXO1 RXO2, ROX3 Seperate amplifier output. Microphone amplifier output. Microphone amplifier inputs. Input impedance is 1.7 KΩ Negative power line. Receive amplifier input. Re.

KA8503 LOW VOLTAGE SPEECH NETWORK INTRODUCTION The KA8503 is a telephone low voltage speech network which includes mic amp. transmit amp, side-tone amp, receive amp. It handles the voice signal performing the 2/4 wire interface and changing the gain on both sending and receiving amplifiers to compensate for line attenuation by sensing the line length through the line current. Application dependent parameters such as amplitude of each amp, sidetone level line balance, and frequency response are.

KA8503 Features

* Adjust Sending and Receiving Attenuation Length

* Mute Function

* Side Tone Balance Network Constitution

* Low Voltage Operating

* AC Impedance Matching

* Uses in Inexpensive Components (5 Capacitors & 10 Resistors)

* Uses a minimum of extern

KA8503_SamsungSemiconductor.pdf

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Datasheet Details

Part number:

KA8503

Manufacturer:

Samsung Semiconductor

File Size:

90.29 KB

Description:

Low voltage speech network.

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KA8503 KA8503 Low Voltage Speech Network Samsung Semiconductor

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