NTE1537 NTE-1537 | ECG1537 ECG-1537 | NTE Electronics
NTE1537
Integrated Circuit
CMOS, Digital Frequency Indicator
w/Clock LED Function
Applications:
- Car Radio Applications: FM/AM Receiving Frequency Display and Clock Display
- Home Radio Applications: FM/AM Receiving Frequency Display and Clock Display
- Car Clock Applications: Hours-Minutes, Month-Date/Stopwatch Display
Functions:
- FM Receiving Frequency Display (4 Digits)
- AM Receiving Frequency Display (4 Digits)
- Month-Date or Stopwatch Display (Either of these Selectable)
Features:
- Single-Chip CMOS LSI for Static Display System
- Capable of Direct Driving Green LED (Drive Capacity 15mA)
- Capable of Selecting Frequency Display/Time Display
- Use FM/AM Local Oscillation Signal of Varactor Diode, Variable Capacitor, or μ Tuning System
to Digitally Display FM/AM Receiving Frequency
- Covers 4 AM Intermediate Frequencies: +262.5, +452.5, +455, +470kHz
- Covers 2 FM Intermediate Frequencies: +10.7, -10.7MHz
- 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
- Two Selections of Display System (12-Hour System with PM Sign which is Displayed During
Setting Only, 24-Hour System)
- Programmed on Long Months (31 Days)/Short Months (30 Days). Date in February is Programmed
to Count up to the 29th
- Easy to Set Time by th Time Signal
- Stopwatch Capable of Counting/Displaying 1 Second to 12 Hours, 59 Minutes, 59 Seconds
- Inhibit Pin for Inhibiting Time Setting with Display Unlighted
- 4MHz Crystal for Reference Frequency
Info as pdf-file
NTE-ECG replacement list as pdf-file
NTE-ECG diagrams
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