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

The SA636 is a low-voltage 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 Wideband data output (600 kHz minimum)\nFast RSSI rise and fall times\nLow power consumption: 6.5 mA typical at 3 V\nMixer input to >500 MHz\nMixer conversion power gain of 11 dB at 240 MHz\nMixer noise figure of 12 dB at 240 MHz\nXTAL oscillator effective to 150 MHz (LC oscillator to 1 GHz local os;

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