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參數(shù)資料
| 型號(hào)： | SL1461SA |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Wideband PLL FM Demodulator(寬帶鎖相環(huán)FM解調(diào)器) |
| 中文描述： | 寬帶鎖相環(huán)調(diào)頻解調(diào)器（寬帶鎖相環(huán)調(diào)頻解調(diào)器） |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大?。?/td> | 326K |
| 代理商： | SL1461SA |
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SL1461SA
Wideband PLL FM Demodulator
Advance Information
The SL1461SA is a wideband PLL FM demodulator,
intended primarily for application in satellite tuners.
The device contains all elements necessary, with the
exception of external oscillator sustaining network and loop
feedback components, to form a complete PLL system
operating at frequencies up to 800MHz.
An AFC with window adjust is provided, whose output
signal can be used to correct for any frequency drift at the head
end local oscillator.
FEATURES
I
Single chip PLL system for wideband FM
demodulation
I
Simple low component count application
I
Allows for application of threshold extension
I
Fully balanced low radiation design
I
High operating input sensivity
I
Improved VCO stability with variations in supply or
temperature
I
AGC detect and bias adjust
I
75
video output drive with low distortion levels
I
Dynamic self biasing analog AFC
I
Full ESD Protection*
* Normal ESD handling procedures should be observed
MP16
Fig.1 Pin connections - top view
Fig.2 SL1461SA block diagram
DS4049 - 1.2 December 1994
APPLICATIONS
I
Satellite receiver systems
I
Data communications Systems
ORDERING INFORMATION
SL1461SA/KG/MPAS
16
1
8
9
2
4
3
5
6
7
10
11
12
13
14
15
AFC PUMP
AFC WINDOW ADJUST
V
EE
OSCILLATOR +
OSCILLATOR –
AGC BIAS
AGC OUTPUT
RF INPUT
AFC OUTPUT
V
CC
VIDEO FEEDBACK +
VIDEO –
VIDEO +
VIDEO FEEDBACK –
VIDEO OUTPUT
RF INPUT
S
AGC BIAS
RF INPUTS
AGC OUTPUT
LOCAL
OSCILLATOR
AFC WINDOW
ADJUST
VIDEO
FEEDBACK +
VIDEO +
VIDEO –
FEEDBACK –
VIDEO
OUTPUT
AFC PUMP
AFC OUTPUT
VIDEO
16
6
8
9
7
4
5
2
14
12
13
11
10
1
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