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SKY74076 - Receiver

General Description

The SKY74076 is a single Intermediate Frequency (IF), dual-band, receiver for Code Division Multiple Access (CDMA) and Global Positioning System (GPS) applications.

The device is a highly integrated super-heterodyne receiver.

Key Features

  • Three-step gain control cellular LNA.
  • GPS LNA.
  • External resistor to adjust LNA bias current.
  • Independent CDMA and GPS mixers.
  • Buffer LO signal for transmit upconverter.
  • Dynamic range VGA, 90 dB.
  • VHF oscillator, 200 MHz to 600 MHz.
  • Battery cell operation (2.7 V < Vcc < 3.3 V).
  • RFLGA™ (40-pin, 6 x 6 x 1 mm) Pb-free (MSL3, 260 °C per JEDEC J-STD-020) package with downset paddle Skyworks offers lead (Pb)-free “environm.

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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 PRODUCT SUMMARY SKY74076: Receiver for Dual-Band CDMA and GPS Mobile Handset Applications Applications • CDMA and GPS phones stage cellular LNA (high, mid, and bypass) and a high gain GPS LNA. After RF LNA signal amplification and filtering from the antenna, the received signal is mixed down from RF to IF. There are separate mixers for CDMA cellular and GPS modes. The CDMA mixer has balanced outputs for the IF SAW filters and can be combined externally to mate to a single-ended SAW filter. The GPS mixers have a differential output for an external LC bandpass filter. After IF filtering, the IF signal is amplified by a Variable Gain Amplifier (VGA) and sent to an I/Q demodulator, resulting in baseband I/Q signals at the output.