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Description
Electronic Component Model: A4504V is an IC chip that has the capability to demodulate IF signals with either positive or negative-going video information. It is contained within a 32-pin encapsulation and includes a three-stage vision IF amplifier, mute circuit, AFC and AGC circuitry, fully synchronised horizontal and vertical timebases with drive circuits, and an integral three-level sandcastle pulse generator. With the addition of a tuner, audio demodulator and amplifier, chroma decoder, and respective line and field deflection circuitry, it can be used to realize a functional color TV receiver.
Specifications and features
- Gain controlled vision IF amplifier
- Synchronous demodulator for negative and positive demodulation
- AGC detector operating on peak sync amplitude for negative demodulation and on peak white level for positive demodulation
- Tuner AGC
- AFC circuit with two control polarities and on/off-switch
- Video preamplifier
- Video switch to select either the internal video signal or an external video signal
- Horizontal oscillator and synchronization circuit with two control loops
- Vertical synchronization (divider system), ramp generator and driver with automatic amplitude adjustment for 50 and 60 Hz
- Transmitter identification (mute)
- Sandcastle pulse generation
- VCR/auto VCR switch
- Start-up circuit
- Vertical guard
Application Scenarios
The A4504V IC chip is commonly used in the manufacturing of color TV receivers. It can be integrated with other components such as tuners, audio demodulators and amplifiers, chroma decoders, and line and field deflection circuitry to create a fully functional television set.
Comparison
Advantages- Capable of demodulating IF signals with positive or negative-going video information
- Includes a three-stage vision IF amplifier for enhanced signal processing
- Features AFC and AGC circuitry for improved audio and video performance
- Fully synchronized horizontal and vertical timebases with drive circuits for precise signal synchronization
- Integral three-level sandcastle pulse generator for accurate signal generation
- Compatible with various audio and video components for versatile system integration
Disadvantages- 32-pin encapsulation may require specialized equipment or connectors for installation
- Requires additional components such as tuners, audio demodulators and amplifiers, chroma decoders, and deflection circuitry for complete functionality
- Complex circuitry may require advanced technical knowledge for integration and troubleshooting
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download A4504V
- Chipdatas Part: CD86-A4504V
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 15:57 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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