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HT8970 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

No. de pieza HT8970
Descripción Electrónicos  Voice Echo
PDF  9 Pages
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Fabricante Electrónico  HOLTEK [Holtek Semiconductor Inc]
Página de inicio  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT8970 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT8970
Voice Echo
1
March 14, 2000
Features
·
Operating voltage: 4.5V~5.5V
·
ADM algorithm
·
Low noise
-
Echo mode:-85dB
-
Surround mode:-90dB
·
Low distortion rate
-
Echo mode: 1%
-
Surround mode: 0.2%
·
Built-in 20Kb SRAM
·
Automatic reset function
·
Package type: 16-pin DIP/SOP
Applications
·
Television
·
Karaoke systems
·
Video disc player
·
Sound equipments
General Description
The HT8970 is an echo/surround effect processor.
It is designed for various audio systems including
karaoke, television, sound equipments, etc. The
chip consists of a built-in pre-amplifier, VCO or
Voltage Control OSC, 20Kb SRAM, A/D and D/A
converters as well as delay time control logic.
Its built-in 20Kb SRAM can generate delay
time effect and can control the delay time value
through the external VCO resistor.
The VCO circuit can reduce external compo-
nents and make it easy to adjust the delay time.


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