SA58641 PDF Datasheet


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Description

This is High performance mixer FM IF system. INTEGRATED CIRCUITS SA58641 High performance mixer FM IF system with high-speed RSSI Objective data 2004 Dec 16 Philips Semiconductors Philips Semiconductors Objective data High performance mixer FM IF system with high-speed RSSI SA58641 DESCRIPTION The SA58641 is a high performance monolithic FM IF system with high-speed RSSI incorporating a mixer, oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic received signal strength indicator (RSSI), voltage regulator, wideband data output and fast RSSI op amps. The SA58641 is available in 20-lead SSOP (shrink small outline package). The SA58641 was designed for high bandwidth portable communication applications and will function down to 2.7 V. The RF section is similar to the famous SA605. The data output has a minimum bandwidth of 600 kHz. This is designed to demodulate wideband data. The RSSI output is amplified. The RSSI output has access to the feedback pin. This enables .