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SA626 Datasheet Low voltage high performance mixer FM IF system with high-speed RSSI

Manufacturer: Philips Semiconductors (now NXP Semiconductors)

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General Description

The SA626 is a low-voltage high performance monolithic FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, high speed logarithmic received signal strength indicator (RSSI), voltage regulator and audio and fast RSSI op amps.

The SA626 is available in 20-lead SOL (surface-mounted small outline large package) and 20-lead SSOP (shrink small outline package).

The SA626 was designed for high bandwidth portable communication applications and will function down to 2.7V.

Overview

INTEGRATED CIRCUITS SA626 Low voltage high performance mixer FM IF system with high-speed RSSI Product specification IC17 Data Handbook 1997 Sept 25 Philips Semiconductors Philips Semiconductors Product specification.

Key Features

  • Mixer input to >500MHz.
  • Mixer conversion power gain of 11dB at 240MHz.
  • Mixer noise figure of 14dB at 240MHz.
  • XTAL oscillator effective to 150MHz (L. C. oscillator to 1GHz, local oscillator can be injected) Figure 1. Pin Configuration.
  • 92dB of IF Amp/Limiter power gain.
  • 25MHz limiter small signal bandwidth.
  • Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 90dB.

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