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TDA8120B

Features: ·GAIN CONTROLLED IF AMPLIFIER ·VIF OPERATING FREQUENCY UP TO 50MHz ·SYNCHRONOUS DETECTOR ·WHITE SPOT INVERTER ·VERY LOWDIFFERENTIAL ERROR ·VERY LOWPHASE ERROR ·INTERNAL AGC SWITCH (B/G - L) ·AGC TOP. SYNCH. FOR STANDARD B/G ·AGC TOP WHITE FOR STANDARD L ·QUASI SPLIT SOUND FOR STANDARD B/...

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SeekIC No. : 004516671 Detail

TDA8120B: Features: ·GAIN CONTROLLED IF AMPLIFIER ·VIF OPERATING FREQUENCY UP TO 50MHz ·SYNCHRONOUS DETECTOR ·WHITE SPOT INVERTER ·VERY LOWDIFFERENTIAL ERROR ·VERY LOWPHASE ERROR ·INTERNAL AGC SWITCH (B/G - L...

TDA8120B Data Sheet

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Part Number:
TDA8120B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/12

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Product Details

Description



Features:

·GAIN CONTROLLED IF AMPLIFIER
·VIF OPERATING FREQUENCY UP TO 50MHz
·SYNCHRONOUS DETECTOR
·WHITE SPOT INVERTER
·VERY LOWDIFFERENTIAL ERROR
·VERY LOWPHASE ERROR
·INTERNAL AGC SWITCH (B/G - L)
·AGC TOP. SYNCH. FOR STANDARD B/G
·AGC TOP WHITE FOR STANDARD L
·QUASI SPLIT SOUND FOR STANDARD B/G
·SOUND DETECTOR FOR STANDARD L
·VIDEO MUTING FACILITY
·SEPARATEDSOUND OUTPUT
·OPERATES WITHOUT EXTERNAL GATING PULSE


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
V4, V9 Supply Voltage Vs 15 V
I8, I5, I1 Video Out, QSSout, AF AM Out, DC Output Current 10 mA
I22, I15 Pin 22 and Pin 15 Input Current 1 mA
Ptot Total Power Dissipation (Tamb = 70 ) 2 W
Tstg, Tj Storage and Junction Temperature 40 to 150
V14 Voltage at Pin 14 Vs  



Description

The TDA8120B is a monolithic IC for TV video IF and Sound IF amplification and demodulation that can operate with all the TV standards.
 
The Video IF section can handle negative (B/G) or positive (L) modulated video signals by means of DC switching.

The Sound IF section acts as a Quasi Split Sound (QSS) subsystem in B/G transmission and allows a second Sound IF with high rejection of the video information.

The DC switch of the TDA8120B can modify the Sound IF configuration to process AM modulated Sound signals (L). The TDA8120B isassembled in a 24 pin dual in line power package.




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