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LA7913 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LA7913SANYO175Yes

LA7913 is a bipolar integrated circuit (IC) manufactured by SANYO Semiconductor (now part of ON Semiconductor).

The LA7913 is a bipolar integrated circuit (IC) manufactured by SANYO Semiconductor (now part of ON Semiconductor). It is primarily used in electronic tuning systems, such as those found in televisions and VCRs.

Specifications:

  • Manufacturer: SANYO (now ON Semiconductor)
  • Function: Electronic Tuning Voltage Switch
  • Package Type: SIP9 (Single In-line Package, 9 pins)
  • Operating Voltage: Typically 12V
  • Output Current: Up to 30mA
  • Band Switching: Supports multiple band selections (e.g., VHF-L, VHF-H, UHF)
  • Tuning Voltage Generation: Provides variable DC voltage for varactor diode tuning

Descriptions:

The LA7913 is designed to generate and switch tuning voltages for electronic tuning systems. It interfaces with microcontrollers or tuning logic to select different frequency bands and supply the appropriate tuning voltage to varactor diodes in tuners.

Features:

  • Band Selection: Can switch between multiple frequency bands (e.g., VHF-L, VHF-H, UHF)
  • Tuning Voltage Output: Provides a stable DC voltage for varactor tuning
  • Low Power Consumption: Suitable for battery-operated devices
  • Built-in Protection: Includes safeguards against overvoltage and short circuits
  • Compact Design: SIP9 package for space-saving PCB layouts

This IC was commonly used in older TV and VCR tuner circuits before digital tuning became standard.

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