Low-Voltage High-Performance Mixer FM IF System

Product Details

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  • Low power consumption: 3.5 mA typical at 3 V
  • Mixer input to >150 MHz
  • Mixer conversion power gain of 17 dB at 45 MHz
  • XTAL oscillator effective to 150 MHz (LC oscillator or external oscillator can be used at higher frequencies)
  • 102 dB of IF amp/limiter gain
  • 2 MHz IF amp/limiter small signal bandwidth
  • Temperature compensated logarithmic RSSI with a 90 dB dynamic range
  • Low external component count; suitable for crystal/ceramic/LC filters
  • Excellent sensitivity: 0.31 μV into 50 Ω matching network for 12 dB SINAD (Signal-to-Noise-and-Distortion ratio) for 1 kHz tone with RF at 45 MHz and IF at 455 kHz
  • SA606 meets cellular radio specifications
  • Audio output internal op amp
  • RSSI output internal op amp
  • Internal op amps with rail-to-rail outputs
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 Class II, Level B

Target Applications

  • Portable cellular radio FM IF
  • Cordless phones
  • Wireless systems
  • RF level meter
  • Spectrum analyzer
  • Instrumentation
  • FSK and ASK data receivers
  • Log amps
  • Portable high performance communication receiver
  • Single conversion VHF receivers


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