SA58641 - High performance mixer FM-IF
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.
SA58641 Features
* Wideband data output (600 kHz minimum)
* Fast RSSI rise and fall times
* Low power consumption: 7.5 mA typical at 5 V
* Mixer input to >500 MHz
* Mixer noise figure of 12 dB at 240 MHz
* Crystal oscillator effective to 150 MHz (LC oscillator to 1 GHz local oscillator can be