Product/Service


Digitally Controlled Variable Gain Attenuator: RFDA0035

RFMD's RFDA0035 is a dual-channel, digitally controlled variable gain amplifier featuring high linearity over the entire 32 gain control steps. It features independent channel power-up enable, independent channel current adjustability for optimizing DC versus IP3 and a 200Ω differential input and output impedance.
Details

Click Here To Download:
Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035

Features

  • Dual Independent Digitally Controlled VGAs
  • Bandwidth of 500MHz (-3dB)
  • Gain Control Range=31dB (1dB Step Size)
  • Differential Input and Output
  • Max Gain=19.0dB@180MHz
  • Noise Figure: 7.5dB @ Maximum Gain
  • High OIP3/P1dB=+42/21dBm @180MHz
  • Relative Phase Shift<1 °
  • Single +5V Supply
  • Dual 5-Bit Parallel Control Interface
  • Individual Enable Control for Each VGA
  • Current Adjustable for IP3 Trade Offs
  • Small 32-Pin, 5.0mmx5.0mm, QFN

Applications

  • Differential ADC Drivers
  • Main and Diversity IF Sampling Receivers
  • Wideband Multichannel Receivers
  • Instrumentation

Click Here To Download:
Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035


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RF Micro Devices, Inc.

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