NTE1537

NTE1537 Integrated Circuit CMOS, Digital Frequency Indicator w/Clock LED Function Applications: D Car Radio Applications: D Home Radio Applications: D Car Clock Applications: FM/AM Receiving Frequency Display and Clock Display FM/AM Receiving Frequency Display and Clock Display Hours–Minutes, Month–Date/Stopwatch Display Functions: D FM Receiving Frequency Display (4 Digits) D AM Receiving Frequency Display (4 Digits) D Month–Date or Stopwatch Display (Either of these Selectable) Features: D Single–Chip CMOS LSI for Static Display System D Capable of Direct Driving Green LED (Drive Capacity 15mA) D Capable of Selecting Frequency Display/Time Display D Use FM/AM Local Oscillation Signal of Varactor Diode, Variable Capacitor, or µ Tuning System to Digitally Display FM/AM Receiving Frequency D Covers 4 AM Intermediate Frequencies: +262.5, +452.5, +455, +470kHz D Covers 2 FM Intermediate Frequencies: +10.7, –10.7MHz D Capable of Fine–Adjusting AM/FM Display Frequency Error Independently A variable Resistor can be used to Correct AM IF Error within ±2.8kHz A variable Resistor can be used to Correct FM IF Error within ±140kHz D Two Selections of Display System (12–Hour System with PM Sign which is Displayed During Setting Only, 24–Hour System) D Programmed on Long Months (31 Days)/Short Months (30 Days). Date in February is Programmed to Count up to the 29th D Easy to Set Time by th Time Signal D Stopwatch Capable of Counting/Displaying 1 Second to 12 Hours, 59 Minutes, 59 Se...