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Description
The CXA3083R is a monolithic TV tuner IC designed for VHF and UHF bands. It integrates local oscillator and mixer circuits, an IF amplifier, and a tuning PLL into a single chip. This design allows for further miniaturization of the tuner.
Specifications and Features
- Superior cross modulation
- Balanced UHF oscillator (4 pins) with excellent oscillation stability
- Supports both I2C and 3-wire bus modes
- Automatic identification of 18, 19 or 27-bit control (during 3-wire bus mode)
- On-chip A/D converter (during I2C bus mode)
- On-chip high voltage drive transistor for charge pump
- Reference frequency selectable from 31.25, 50 or 62.5 kHz (when using a 4 MHz crystal)
- Low-phase noise synthesizer
- On-chip 4-output band switch (supports output voltages from 5 to 9 V)
Application Scenarios
The CXA3083R is suitable for use in the following:
- TV tuners
- VCR tuners
- CATV tuners
Comparison
Advantages- Integration of multiple circuits onto a single chip allows for miniaturization
- Supports both I2C and 3-wire bus modes, offering flexibility in design
- Automatic identification of control bits simplifies the design process
- Low-phase noise synthesizer provides a clear signal
Disadvantages- Not suitable for use outside of TV, VCR, or CATV applications
- Reference frequency options are limited to a specific range
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download CXA3083R
- Chipdatas Part: CD86-CXA3083R
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 00:11 +0800
Refund
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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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