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AD6458 Datasheet GSM 3 V Receiver IF Subsystem

Manufacturer: Analog Devices

Overview: a.

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General Description

The AD6458 is a 3 V, low power receiver IF subsystem for operation at input frequencies as high as 400 MHz and IFs from 5 MHz up to 50 MHz.

It is optimized for operation in GSM, DCS1800 and PCS1900 receivers.

It consists of a mixer, IF amplifier, I and Q demodulators, a phase-locked quadrature oscillator, precise AGC subsystem, and a biasing system with external power-down.

Key Features

  • Fully Compliant with Standard and Enhanced GSM Specification.
  • 12 dBm Input 1 dB Compression Point.
  • 2 dBm Input Third Order Intercept 10 dB SSB Noise Figure (330 ⍀) DC.
  • 400 MHz RF and LO Bandwidths Linear IF Amplifier Linear-in-dB and Stable over Temperature Voltage Gain Control Quadrature Demodulator Onboard Phase-Locked Quadrature Oscillator Demodulates IFs from 5 MHz to 50 MHz Low Power 9 mA at Midgain 1 ␮ A Sleep Mode Operation 3.0 V to 3.6 V Operation Interfaces to AD7.

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