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RF3334 - IF LOW NOISE AMPLIFIER/MIXER

General Description

The RF3334 is an IF LNA/Mixer suitable for downconversion of forward channel control data in a set-top box application.

It consists of a single-ended 75 Ω terminated LNA, followed by a differential gain control stage with 30dB of analog gain control and a double-balanced mixer.

Key Features

  • 30dB RF Gain Control.
  • 40dB IF Gain Control GND LOB.
  • 5dB Max. Noise Figure SSB.
  • LNA Input Internally Matched to 75 Ω 12 RFAGC 16 RFDEC 1 15 14 13 LO.
  • Single 5V Supply RFIN 2 11.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com RF3334 0 Typical Applications • Cable Set Top Box • General Purpose Downconverter • Commercial and Consumer Systems IF LOW NOISE AMPLIFIER/MIXER Product Description The RF3334 is an IF LNA/Mixer suitable for downconversion of forward channel control data in a set-top box application. It consists of a single-ended 75 Ω terminated LNA, followed by a differential gain control stage with 30dB of analog gain control and a double-balanced mixer. The mixer load is available via pins 10 and 11 should an external filter be required. The mixer output is connected to an IF amplifier that can be configured from 10dB to 40dB gain with an external resistor. The amplifier is capable of 6V pk-pk output into a 1kΩ load. -A- 2 PLCS 0.10 C A 0.05 C 4.00 SQ. 2.00 TYP 0.