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CXA3275Q

Features: • Balanced oscillators with low-phase noise and excellent oscillation stability (UHF: 4 pins, VHF: 2 pins)• High linearity mixer and IF amplifier • IF output switchable between balanced and unbalanced• Low-phase noise PLL synthesizer (3-wire bus format)• Ref...

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SeekIC No. : 004318365 Detail

CXA3275Q: Features: • Balanced oscillators with low-phase noise and excellent oscillation stability (UHF: 4 pins, VHF: 2 pins)• High linearity mixer and IF amplifier • IF output switchable b...

CXA3275Q Data Sheet

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Part Number:
CXA3275Q
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Balanced oscillators with low-phase noise and excellent oscillation stability (UHF: 4 pins, VHF: 2 pins)
• High linearity mixer and IF amplifier
• IF output switchable between balanced and unbalanced
• Low-phase noise PLL synthesizer (3-wire bus format)
• Reference frequency programmable in 4 bits
• On-chip high voltage drive transistor for charge pump
• On-chip 4-output band switch (PNP transistor on/off)
• 40-pin QFP package


Application

Digital CATV tuners


Pinout

Connection Diagram


Specifications

• Supply voltage Vcc, PLLVcc .........0.3 to +6.0 V
                           IFVcc ...................0.3 to +6.0 V
• Storage temperatureTstg ........55 to +150 °C
• Allowable power dissipationPD ................1.58 W
(when mounted on a printed circuit board)


Description

The CXA3275Q is a monolithic tuner IC for single conversion system digital broadcast tuners. This IC integrates three sets of local oscillator and mixer circuits (VHF Low Band/ VHF High Band/UHF Band),an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner.




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