A Low-noise , High-performance Zero IF Quadrature Detector / Preamplifier

  • Dan Tayloe
he device discussed in this article is a detector and preamplifier. Its features are based on an an extremely compact and simple design compared to other zero IF I/Q quadrature detectors. The device's feature set includes: • Less than 1 dB of conversion loss, • " Free " tracking bandpass selectivity (Q = 3,500 at 7 MHz), with a user definable band-width… CONTINUE READING