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Номер в каталоге(s) : CXA1082BQ CXA1082BS
Sony
Sony Semiconductor
Компоненты Описание : Servo Signal Processor for CD Player

Description
CXA1082BQ/BS is a bipolar IC designed for the Servo control of the compact disc player. The only difference from CXA1082AQ/AS is the FZC threshold.

Functions
● Focus Servo control
● Tracking Servo control
● Sled Servo control
● Spindle Servo
   LPF, drive amplifier
● EFM clock reproduction PLL
   Loop filter, 8.64 MHz VCO
● Auto sequencer
   Built-in RAM

Номер в каталоге(s) : M62475FP
Mitsubishi
MITSUBISHI ELECTRIC
Компоненты Описание : AUTOMATIC ADJUSTMENT CD PREAMPLIFIER Servo CONTROLLER

DESCRIPTION
The M62475FP is an IC that contains preamplifier/Servo amplifier necessary for optical pickup Servo
control for CD player.
This IC also supports automatic adjustment with microcomputer control.

FEATURES
■ Pickup Servo control can consist of the M62475FP only
■ Supporting 3-beam system
■ Built-in serial data command interface with MCU to reduce load on MCU
■ Built-in circuit for automatically adjusting tracking balance, tracking/focus gain
■ Built-in internal self reset circuit

Номер в каталоге(s) : M62475FP
Renesas
Renesas Electronics
Компоненты Описание : AUTOMATIC ADJUSTMENT CD PREAMPLIFIER Servo CONTROLLER

DESCRIPTION
The M62475FP is an IC that contains preamplifier/Servo amplifier necessary for optical pickup Servo
control for CD player.
This IC also supports automatic adjustment with microcomputer control.

FEATURES
■ Pickup Servo control can consist of the M62475FP only
■ Supporting 3-beam system
■ Built-in serial data command interface with MCU to reduce load on MCU
■ Built-in circuit for automatically adjusting tracking balance, tracking/focus gain
■ Built-in internal self reset circuit

Номер в каталоге(s) : LA9247T
SANYO
SANYO -> Panasonic
Компоненты Описание : CD-ROM Digital Servo RF IC

Overview
The LA9247T is a CD-ROM digital Servo RF IC that supports speeds up to 52×.

Functions
• RF amplifier (with AGC), RF gain amplifier (supports playback of CD-RW discs).
• RF equalizer circuit (with 7 modes), RF hold function.
• PH/BH detection, FE amplifier, REFL amplifier, TE amplifier.
Servo signal VCA circuit (balance adjustment, SGC adjustment), midpoint Servo (CSS) amplifier.
• APC circuit (with laser power amplifier function), sleep function.

Номер в каталоге(s) : M52461GP
Renesas
Renesas Electronics
Компоненты Описание : Servo MOTER MOTROL FOR RADIO CONTROL

Description
The M52461GP is a semiconductor integrated circuit for Servo control applications.

Features
• Excellent power supply stability and temperature stability
• Simple setting of dead of band range
• Small outline (16pin SSOP)

Applications
• Digital proportional systems for radio control, Servo motor control ,etc

Номер в каталоге(s) : CXA1372BQ CXA1372BS
Sony
Sony Semiconductor
Компоненты Описание : RF Signal Processing Servo Amplifier for CD Player

Description

The CXA1372BQ/BS is a bipolar IC developed for RF signal processing (focus OK, mirror, defect detection, EFM comparator) and various Servo control.



Features

• Dual ±5V and single 5V power supplies

• Low power consumption

• Fewer external parts

• Disc defect countermeasure circuit

• Fully compatible with the CXA1182 for microcomputer software



Functions

• Auto asymmetry control

• Focus OK detection circuit

• Mirror detection circuit

• Defect detection, countermeasure circuit

• EFM comparator

• Focus Servo control

• Tracking Servo control

• Sled Servo control



Structure

  Bipolar silicon monolithic IC



 


Номер в каталоге(s) : CXA1782 CXA1782CQ CXA1782CR
Sony
Sony Semiconductor
Компоненты Описание : RF Signal Processing Servo Amplifier for CD players

Description

The CXA1782CQ/CR is a bipolar IC with built-in RF signal processing and various Servo ICs. A CD player Servo can be configured by using this IC DSP and driver.



Features

• Low operating voltage (VCC – VEE = 3.0 to 11.0V)

• Low power consumption (39mW, VCC = 3.0V)

• Supports pickup of either current output, voltage output

• Automatic adjustment comparator for tracking balance gain

• Single power supply and positive/negative dual power supplies



Applications

• RF I-V amplifier, RF amplifier

• Focus and tracking error amplifier

• APC circuit

• Mirror detection circuit

• Defect detection and prevention circuits

• Focus Servo control

• Tracking Servo control

• Sled Servo control

• Comparators of tracking adjustment for balance and gain



Structure

  Bipolar silicon monolithic IC



 


Номер в каталоге(s) : OQ8868
Philips
Philips Electronics
Компоненты Описание : Digital Servo Integrated Circuit Silent (DSICS)

GENERAL DESCRIPTION
The Digital Servo Integrated Circuit Silent (DSICS) IC provides all Servo functions except the spindle motor control in two-stage Compact Disc (CD) systems. It offers a high degree of integration, combined with the low additional cost of external components. The Servo characteristics are widely adjustable by means of a three-wire serial interface, which offers great flexibility for the application of different CD mechanisms

FEATURES
The DSICS realizes the following Servo functions:
• Focus Servo loop
• Radial Servo loop
• Built-in access procedure
• Sledge motor Servo loop
• Three line (TDA1301T-like; same on hardware level, coefficients differ) or I2C-bus serial interface with system controller.

Other features are:
• Single supply voltage (5 V)
• Flexible system oscillator
• Usable for single/double Foucault and astigmatic focus
• Wide range of adjustable Servo characteristics possible
• Automatic focus start-up procedure and in-lock indication
• Fast focus restart procedure
• Sophisticated track loss detection mechanism
• Extended radial error signal
• Automatic initialization and jump procedure for radial Servo
• Automatic radial error gain and offset control
• Sophisticated defect detector
• Shock detector
• Fast serial communication
• Low noise Servo loops
• Automatic gain control for the complete focus and radial loop
• Fast track counting signal input
• Steered sledge jump
• Radial actuator damping.

Features that improve on its predecessor, the TDA1301T:
• Low noise in the focus loop
• Faster serial communication
• Improved jump performance.

Added features are:
• High level watchdogs
• Decoder (LO9585, LO9588 or HD60) communication support
• Application debugging support
• Pulsed sledge mode
• Auto gain control on radial and focus loop
• I2C-bus serial communication
• Externally available defect detector signals.

Номер в каталоге(s) : LA7116
SANYO
SANYO -> Panasonic
Компоненты Описание : VCR Servo Interface

Overview
The LA7116 is a VCR Servo interface IC that can be used in conjunction with the LC7412, 7413 to form a Servo system with a good cost performance.

Features
• The operational amplifier section can be operated from a voltage of up to 12V.
• Selectable threshold voltage of CLT Schmitt section.

Functions
• Drum FG amplifier.
• Capstan FG amplifier.
• CTL amplifier.
• Drum PG amplifier.
• OP amplifier × 2.

Номер в каталоге(s) : M62481FP
Mitsubishi
MITSUBISHI ELECTRIC
Компоненты Описание : PICKUP Servo SYSTEM WITH AUTOMATIC ADJUSTMENT

DESCRIPTION
The M62481FP is an optical pick-up Servo system IC for a CD player.It has amplifiers,swiches,comparators and logic controller for Servo control of an optical pick-up.
Furthermore,it has automatic adjustment system controlled by micro -controller.
Many built-in functions and the 56pin shrink quard package realize the compact and moderate CD player with high performance.

FEATURES
• 8 times speed
• 3 beam pick-up Servo system
• Adaptable to hologram pick-up system with additional input.
• Built-in automatic laser power control circuit
• Built-in mirror detector
• Built-in adjustment circuit for automatic tuning
• Built-in serial data command interface to reduce micro-controller overload
• Built-in self-reset circuit

APPLICATION
   CD PLAYER,CD-ROM PLAYER

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