AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

DESCRIPTION The TDA7427 is a PLL frequency synthesizer with an additional IF counting system that performs all the functions needed in a complete PLL radio tuning system for conventional and high speed RDS tuners. The device has dedicated outputs for IN-LOCK detection and Search/Stop station. ■

封装/外壳：20-SOIC（0.295"，7.50mm 宽） 包装：卷带（TR） 描述：IC SYNTHESIZER/IF COUNTER SO-20 集成电路（IC） 时钟发生器，PLL，频率合成器

AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

DESCRIPTION The TDA7427A is a PLL frequency synthesizer with an additional IF counting system that performs all the functions needed in a complete PLL radio tuning system for conventional and high speed RDS tuners. The device has dedicated outputs for IN-LOCK detection and Search/Stop station. ■

VOLTAGE DETECTOR

VOLTAGE DETECTOR This IC series is usable for the CPU system of all types and wired logic system as it has the function of detecting the power supply voltage at the time of initial resetting after switching the power supply on and after instantaneous break in power supply voltage there-by accur

VOLTAGE DETECTOR

VOLTAGE DETECTOR This IC series is usable for the CPU system of all types and wired logic system as it has the function of detecting the power supply voltage at the time of initial resetting after switching the power supply on and after instantaneous break in power supply voltage there-by accur

5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

General Description The MAX7426/MAX7427 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7426) or +3V (MAX7427) supply. The devices draw only 0.8mA of supply current and allow corner fre quencies from 1Hz to 12kHz, making them ideal for low-power post-

TRIPLE 3-INPUT POSITIVE-NOR GATES

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