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LMH6514 - Variable Gain Amplifier

Description

The LMH6514 is a high performance, digitally controlled variable gain amplifier (DVGA).

It combines precision gain control with a low noise, ultra-linear, differential amplifier.

Features

  • Adjustable gain with a 42 dB range Precise 6.02 dB gain steps Parallel 3 bit gain control On chip register gain setting Fully differential signal path Single ended to differential capable 200Ω input impedance Small footprint (4 mm x 4 mm) LLP package Key Specifications.
  • 600 MHz bandwidth at 100Ω load 39 dBm OIP3 at 75 MHz, 200Ω load 26 dB to 38 dB maximum gain Selectable output impedance of 200Ω or 400Ω. 8.

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Full PDF Text Transcription (Reference)

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LMH6514 600 MHz, Digital Controlled, Variable Gain Amplifier January 24, 2008 LMH6514 600 MHz, Digital Controlled, Variable Gain Amplifier General Description The LMH6514 is a high performance, digitally controlled variable gain amplifier (DVGA). It combines precision gain control with a low noise, ultra-linear, differential amplifier. Typically, the LMH6514 drives a high performance ADC in a broad range of mixed signal and digital communication applications such as mobile radio and cellular base stations where automatic gain control (AGC) is required to increase system dywww.DataSheet4U.com namic range. When used in conjunction with a high speed ADC, system dynamic range can be extended by up to 42 dB.
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