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UPC2533 - AM TUNER FOR ELECTRONIC TUNING CAR RADIOS

Datasheet Summary

Description

Names and symbols in parentheses indicate pin names for µPC2533GS-02.

parentheses are pin names used in both the µPC2533GS-01 and µPC2533GS-02.

Pin No.

Features

  • Possible to select stations using only one varactor diode with narrow variable capacitance range.
  • Tracking adjustment unnecessary.
  • Coil switching between LW (long wave) and MW (middle wave) unnecessary.
  • Less sensitivity deviation due to tracking error.
  • High S/N: 60 dB.
  • Signal meter output with good linearity.
  • Signal meter output voltage inclination setting possible by external resistor.
  • Can be used with IF (intermediate fr.

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Datasheet preview – UPC2533

Datasheet Details

Part number UPC2533
Manufacturer NEC
File Size 212.29 KB
Description AM TUNER FOR ELECTRONIC TUNING CAR RADIOS
Datasheet download datasheet UPC2533 Datasheet
Additional preview pages of the UPC2533 datasheet.

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Full PDF Text Transcription

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DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC2533 AM TUNER FOR ELECTRONIC TUNING CAR RADIOS The µPC2533 is an IC developed as an AM tuner for car stereos and car radios. It employs an up-conversion type double super-heterodyne configuration (IF1 = 10.71 MHz, IF2 = 450 kHz). The internal configuration consists of the MIX1 block (MIX1, OSC1, Buff1), MIX2 block (MIX2, OSC2, Buff2), IF amplifier, detection circuit, AGC circuit, signal meter circuit, SD (station detector) circuit, and Lo/DX (short range/long range) circuit.
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