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TDA5744 - Low power mixers/oscillators for hyperband tuners

Datasheet Summary

Description

The TDA5744 and TDA5745 are 2-band mixers/oscillators intended for VHF/UHF and hyperband tuners (see Fig.1).

The Integrated Circuits (ICs) include two double balanced mixers and two oscillators, for the VHF and UHF band, and an IF amplifier.

Features

  • Mixers/oscillators for hyperband tuners.
  • Balanced mixer with a common emitter input for VHF (single input).
  • Balanced mixer with a common base input for UHF (double input).
  • 4-pin common emitter oscillator for VHF.
  • 4-pin common emitter oscillator for UHF.
  • Electronic band switch.
  • IF amplifier with a low output impedance to drive the SAW filter directly (≈2 kΩ load).
  • Low power, low radiation and small size.
  • Pin compati.

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Datasheet Details

Part number TDA5744
Manufacturer NXP
File Size 123.15 KB
Description Low power mixers/oscillators for hyperband tuners
Datasheet download datasheet TDA5744 Datasheet
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INTEGRATED CIRCUITS DATA SHEET TDA5744; TDA5745 Low power mixers/oscillators for hyperband tuners Preliminary specification File under Integrated Circuits, IC02 1998 Mar 09 Philips Semiconductors Preliminary specification Low power mixers/oscillators for hyperband tuners FEATURES • Mixers/oscillators for hyperband tuners • Balanced mixer with a common emitter input for VHF (single input) • Balanced mixer with a common base input for UHF (double input) • 4-pin common emitter oscillator for VHF • 4-pin common emitter oscillator for UHF • Electronic band switch • IF amplifier with a low output impedance to drive the SAW filter directly (≈2 kΩ load) • Low power, low radiation and small size • Pin compatible single-chip synthesizer mixer/oscillator for Full Scale Tuners (FST) are available:
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