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PDF SA9616 Data sheet ( Hoja de datos )
| Número de pieza | SA9616 | |
| Descripción | RF AMPLIFIER FOR DIGITAL SERVO SYSTEM | |
| Fabricantes | SILAN MICROELECTRONICS | |
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Hay una vista previa y un enlace de descarga de SA9616 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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SA9616
RF AMPLIFIER FOR DIGITAL SERVO SYSTEM
DESCRIPTION
SA9616 can be used for (ALPC) and signal conversion between CD
optical pickup head and decoding chip.
This IC incorporates an interface to general CD optical pickup
photodiode, RF signal amplifier and equalizer, VREF generation circuit
and automatic optical power switching control (It is adaptive for CD-
A/V, CD-R, CD-R/W, CD-ROM).
FEATURES
SOP-20-300-1.27
* RF amplitude automatic adjustment circuit (It is adaptive for CD-
A/V, CD-R, CD-R/W, CD-ROM)
* RF system equalizer
* Automatic laser power control circuit(ALPC)
* Operating voltage range (3V -7V), power consumption (150mW
@5V)
APPLICATIONS
ORDERING INFORMATION
Device
SA9616
Package
SOP-20-300-1.27
* CD Players
* VCD Players
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2002.07.11
Page 1 of 7
Free Datasheet http://www.datasheet4u.com/
1 page  
APC LOOP
SA9616
Automatic power control circuit mainly insures the emission diode to generate constant power under different
states (such as temperature). APC loop realizes the constant power by monitoring and controlling the receiving
power of diode, thus to stabilize the input amplitude of RF signal.
Add an automatic power control circuit in APC loop to adapt to the RF input signals of different disks. It is to
adjust the output power by detecting the RF input signals and thus to adapt to various disks.
The block diagram is shown above. MON is the monitor and control pin of power; LD is the driver output, which
is connected to external PNP transistor. LD_ON is the enable pin of APC module which is high level active, and
APC loop is working, or else the APC is in standby state.
EQUALIZER CIRCUIT (Contains VCA and output)
EQ LOOP
EQ curve
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2002.07.11
Page 5 of 7
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SA9616.PDF ] | |
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