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BH7272KV

Features: 1) The playback amplifier is a differential amplifier with an overall gain of 54dB (Typ.), and has low-noise transistors as the first stage. The feedback circuit is not included, so provide negative feedback for head peak damping, and positive feedback to cancel the input capacitance usi...

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SeekIC No. : 004300391 Detail

BH7272KV: Features: 1) The playback amplifier is a differential amplifier with an overall gain of 54dB (Typ.), and has low-noise transistors as the first stage. The feedback circuit is not included, so provid...

BH7272KV Data Sheet

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Part Number:
BH7272KV
Supply Ability:
5000

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

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Upload time: 2024/11/11

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Product Details

Description



Features:

1) The playback amplifier is a differential amplifier with an overall gain of 54dB (Typ.), and has low-noise transistors as the first stage. The feedback circuit is not included, so provide negative feedback for head peak damping, and positive feedback to cancel the input capacitance using external components.
2) The playback AGC amplifier has ± 10dB of control range.
3) The recording current amplifier is a BLT current amplifier. Use external components to construct the head peak damping circuit.
4) Recording limit amplifier is included. Recording AGC amplifier not included.
5) The signal system VCC is 4.9V, and the control system VCC is 3.0V.


Application

Digital video cassette recorders


Pinout

Connection Diagram


Specifications

Parameter Symbol Limits Unit
Applied voltage VCC 7 V
Power dissipation Pd ∗900 mW
Operating temperature Topr 20 ~ + 65 °C
Storage temperature Tstg 55 ~ + 125 °C



Description

The BH7272KV is a head amplifier developed for use in digital video cassette recorders. Both PB and REC have
excellent frequency characteristics making this BH7272KV an ideal choice for digital recording and playback. The small
VQFP48 package facilitates compact design of portable equipment such as video cameras.


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