ULA1235

UNISONIC TECHNOLOGIES CO., LTD ULA1235 Preliminary LINEAR INTEGRATED CIRCUIT FM IF SYSTEM APPLICATIONS  DESCRIPTION The UTC ULA1235 is a high integrated IC developed for use in high S/N(S/N =88dB), low distortion (distortion factor=0.015%) FM IF system applications. And this IC has almost all functions required for FM tuner IF stage.  FEATURES * IF amplifier, limiter. * Tuning meter null circuit. functions * AF preamplifier. * Signal intensity muting drive output. * Quadrature detection * Detuning muting drive output. * AF signal muting circuit. * IF amplifier stop circuit. * AFC, tuning meter drive output. * Signal meter drive output.  ORDERING INFORMATION Ordering Number Lead Free Halogen Free ULA1235L-D16-T ULA1235G-D16-T Package DIP-16 Packing Tube  MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 5 QW-R106-007.a ULA1235  PIN CONFIGURATION Preliminary LINEAR INTEGRATED CIRCUIT  PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN NAME V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 IF input IF input IF input GND Mute attenuation control AF output AFC output IF output Quadrature detection input Voltage regulator output Power supply Muting driving output Signal meter driving output GND muting sensitivity control muting hysteresis width control  BLOCK DIAGRAM DESCRIPTION UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R106-007.a ULA1235 Preliminary LINEAR INTEGRATED CIRCUI...