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RF2475 - DUAL-BAND LOW NOISE AMPLIFIER/MIXER WITH FREQUENCY DOUBLER

Description

The RF2475 includes two downconverting mixers and associated LNAs.

It is designed for IS136 handset applications in the cellular 800MHz and PCS 1900MHz bands.

Each LNA has a gain bypass mode, which is controlled by the gain select pin.

Features

  • VCC TX8 TX LO8 GND.
  • Complete Dual-Band Receiver Front-End.
  • Stepped LNA Gain Control 21 LO IN8 28 LNA VCC19 1 27 26 25 24 23 22.
  • Integrated LO Frequency Doubler.
  • Integrated LO Output Buffers.
  • Meets IS136 Specifications GND 2 20 GND LNA IN19 3 X2 19 IF A GND 4 18 IF B LNA IN8 5 17 GND GND 6 16 VCC.

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Datasheet Details

Part number RF2475
Manufacturer RF Micro Devices
File Size 547.28 KB
Description DUAL-BAND LOW NOISE AMPLIFIER/MIXER WITH FREQUENCY DOUBLER
Datasheet download datasheet RF2475 Datasheet

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Full PDF Text Transcription

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Preliminary RF2475 DUAL-BAND LOW NOISE AMPLIFIER/MIXER WITH FREQUENCY DOUBLER 8 Typical Applications • TDMA Handsets Product Description The RF2475 includes two downconverting mixers and associated LNAs. It is designed for IS136 handset applications in the cellular 800MHz and PCS 1900MHz bands. Each LNA has a gain bypass mode, which is controlled by the gain select pin. The device internally ties the two mixer outputs together, providing interface to a single IF SAW filter. A frequency doubler is provided to supply the LO signal to the PCS mixer and feeds the PCS transmit LO output buffer. A cellular LO output buffer is also included. The device is fabricated using Gallium Arsenide HBT technology and is packaged in a 28-pin, 5mmx5mm leadless package. 1.00 0.85 0.80 0.65 Typ 0.60 0.
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