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PDF KA8503 Data sheet ( Hoja de datos )
| Número de pieza | KA8503 | |
| Descripción | Low Voltage Speech Network | |
| Fabricantes | Samsung Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KA8503 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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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 at-
tenuation by sensing the line length through the line current. Applica-
tion dependent parameters such as amplitude of each amp, sidetone
level line balance, and frequency response are controlled by exter-
nal components. Each gain can be controlled by external component
exchange. The receiver output driving capability is adjustable.
www.DataSheet4U.com
18-DIP-300A
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 external components
ORDERING INFORMATION
Device
KA8503
Package
18-DIP-300A
Operating Temperature
- 40°C ~ + 70°C
BLOCK DIAGRAM
VDD MUTE
45
V + ST3 STO RXI
1 9 10 15
MIC 1 12
MIC 2 13
17 RXO2
18 RXO3
6 11 3
GR MICO TXI
2 87
T XO
ST2 ST1
Fig. 1
14 16
V - RXO1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet KA8503.PDF ] | |
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