Active Antenna: Power Supply and Function

Active Antenna Power Supply

The TLF4277-2 is the ideal companion IC to supply active antennas for car infotainment applications. The adjustable output voltage makes the TLF4277-2 capable of supplying the majority of standard active antennas such as FM/AM, DAB XM and SIRIUS.

 

Key Features

Improved antenna status monitoring by very accurate current sense

Digital status signal

Less external components

Adjustable current limitation

Open load, short circuit, ampfiler operation modus and multi antenna observation

System Benefits

Improved active antenna lifetime

Very accurate current sense

Less external components

Active antenna supply usable for AM/FM, DAB, GPS, Satellite, Microphoes, Sensors, Communication ...

Faster reaction time for the Microcontroller at error cases

Active antenna supply usable for AM/FM, DAB, GPS, Satellite, Microphoes, Sensors, Communication ...

 

Product Type                        Description
TLF4277-2EL Companion IC to supply active antennas for car infotainment applications
Active Antenna Low Noise and Driver Amplifiers for Wireless Applications

 

 

Applications:

  • Active antenna for AM/FM, DAB, GPS, Satellite
  • Microphones for hands free car kit
  • ATV camera systems
  • Industrial applications
  • LNAs (Digital TV, AM FM, ...)