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TGA4872

Transimpedance Amplifier by Qorvo
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The TGA4872 from Qorvo is a Transimpedance Amplifier that has a bandwidth of 30 GHz. It has a baud rate of up to 128 Gbps and an equivalent input noise of 20 pA/rtHz. This transimpedance amplifier has a differential transimpedance gain of 100 Ohm - 7500 Ohm and differential output of 200 mv - 900 mv. It features manual gain control or AGC modes of operation and multiple amplifier stages to achieve high gain. This transimpedance amplifier requires a DC supply voltage of 3.3 V and consumes 186 mA of current. It is ideal for dual polarization quadrature phase shift keying (DP-QPSK) and quadrature amplitude modulation (QAM) applications.

Product Specifications

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Product Details

  • Part Number
    TGA4872
  • Manufacturer
    Qorvo
  • Description
    Transimpedance Amplifier for Quadrature Amplitude Modulation

Applications

  • Applications
    100G DP-QPSK (Dual Polarization QPSK), TIA with AGC for long-haul or metro optical receiver modules, Coherent systems with a baud rate up to 128 Gb/s, 100 Gb/s Linear Driver: DP-QPSK

General Parameters

  • Power Supply Current
    186 mA
  • Data Rate
    up to 128 Gbps
  • Transimpedance
    0.1 to 7.5 kOhms
  • Power Supply Voltage
    3.3 V
  • Bandwidth
    30 GHz
  • Package Type
    Chip
  • Current Noise Density
    20 pA/√Hz
  • Differential Output Swing
    200 to 900 mVpp

Technical Documents
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