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TA2109F Datasheet Rf Amplifier

Manufacturer: Toshiba

Overview: TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2109F RF Amplifier for Digital Servo CD System TA2109F is a 3-beam type PUH patible RF Amplifier for Digital Servo to be used in the CD system. In bination with a CMOS single chip processor TC9432AF/TC9462F a CD system can be posed very simply.

General Description

Remark ― Power supply input terminal ― I Main beam I-V amp input terminal Connected to pin diode A, C I Main beam I-V amp input terminal Connected to pin diode B, D I Sub beam I-V amp input terminal Connected to pin diode F I Sub beam I-V amp input terminal Connected to pin diode E I Monitor photo diode amp input terminal Connected to monitor photo diode O Laser diode amp output terminal Connected to laser control circuit I Laser diode control signal input terminal and APC circuit ON/OFF control signal input terminal 3 signal input (VCC, HiZ, GND) I Tracking error balance adjustment signal input terminal Controlled 3 signal input by 3 PWM signal (PWM carrier = 88.2 kHz) (2 VREF, VR, GND) O Reference voltage (2 VREF) output terminal 2 VREF = 4.2 V when VCC = 5 V ― I TE am

Key Features

  • Built in amplifier for reference (VREF, 2 VREF) supply.
  • Built in Auto Laser Power Control circuit.
  • Built in RF amplifier.
  • Built in focus error amp and tracking error amp.
  • Built in sub-beam adder signal amplifier.
  • Capable of tracking balance control with TC9432AF/TC9462F.
  • Capable of RF gain adjustment circuit with TC9432AF/TC9462F.
  • Built in signal amplifier for track counter.
  • Capable of 4 times speed operation.
  • 24 pin mini flat package.

TA2109F Distributor