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| 型號(hào)： | LA7583 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | IF Signal Processing Circuit (A 2 C PLL VIF + SIF) for TVs and VCRs(用于電視機(jī)/VCR應(yīng)用的IF信號(hào)處理（自動(dòng)調(diào)整控制 鎖相環(huán) VIF+SIF）電路) |
| 中文描述： | 中頻信號(hào)處理電路（2葷鎖相環(huán)資料表格應(yīng)力強(qiáng)度因子）的電視和錄像機(jī)（用于電視機(jī)/錄像機(jī)應(yīng)用的中頻信號(hào)處理（自動(dòng)調(diào)整控制鎖相環(huán)資料表格強(qiáng)度因子）電路） |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 200K |
| 代理商： | LA7583 |
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IF Signal Processing Circuit
(A
2
C PLL VIF + SIF) for TVs and VCRs
Overview
The LA7583 is a VIF + SIF IC that requires no adjustments. In
order to eliminate the need for adjustments in the VIF block, a
multi-network PLL has been developed and adopted for video
detection. In the SIF block, adjustments were eliminated by
using gyrator technology in the FM quadrature detector. In
addition to eliminating the need for adjustments, a buzz
canceller that suppresses Nyquist buzz has been built into the
LA7583 in order to provide excellent sound quality.
Features
.
Elimination of VCO, AFT, and SIF coils eliminates the need
for adjustments.
.
A variety of built-in filters.
.
Built-in buzz canceller results in excellent audio
characteristics.
Note: A
2
C
Automatic Adjustment Control
Automatic Quadrature Tuning
AQT
Package Dimensions
unit : mm
3067-DIP24S
[LA7583]
0.48
3
3
3
0
21.2
0.81
1.78
0
7
6
1
12
24
13
0.95
SANYO : DIP24S
Functions
VIF amplifier
.
Equalizer amplifier
.
AGC lag lead filter
[1st SIF]
.
Preamplifier
[SIF]
.
Limiter amplifier
[mute]
.
Audio mute
[VIF]
.
Multinetwork PLL
.
AFT
.
Video driver
.
1st SIF detector
.
AQT detector (gyrator)
.
AV mute
.
BNC
.
IFAGC
.
AGC detector
.
J/U switch
.
FAGC
.
Buzz canceller
.
Built-in AGC filter
Ordering number: EN5177
Monolithic Linear IC
LA7583
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
83095HA(II) No.5177-1/16
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