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Transimpedance amplifier with 120 dB dynamic range

Transimpedance amplifier with 120 dB dynamic range

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A transimpedance amplifier (TIA) with compression of the input current is presented. The proposed TIA has two regions of operation: a linear one for small input currents and one with compression for highcurrents, which would otherwise saturate the TIA. The measured −3 dB bandwidth is 102 MHz, the equivalent RMS input current noise is 20.2 nA and the maximal current overdrive is 20.5 mA, leading to a dynamic range at the input of 120 dB.

Inspec keywords: optical receivers; operational amplifiers

Other keywords: 20.5 mA; 102 MHz; dynamic range; current noise; transimpedance amplifier; optical receivers

Subjects: Optical communication equipment; Amplifiers

References

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      • H. Zimmermann , K. Kieschnick , M. Heise , H. Pless . High-bandwidth BiCMOS OEIC for optical storage systems. IEEE J. Solid-State Circuits , 384 - 385
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      • M.J. Hayes . A nonlinear optical preamplifier for sensing applications. IEEE Trans. Circuits Syst. I: Fundamental Theory and Applications , 1 , 1 - 9
    3. 3)
      • http://www.analog.com.
    4. 4)
      • Sanduleanu, M.A.T., Manteman, P.: `A low noise, wide dynamic range, transimpedance amplifier with automatic gain control for SDH/SONET (STM16/OC48) in a 30 GHz f', Proc. IEEE ESSCIRC, 2001, p. 190–193.
    5. 5)
      • Yamashita, S., Ide, S., Mori, K., Hayakawa, A., Ueno, N., Tanaka, K.: `Novel cell-AGC technique for burst-mode CMOS preamplifier with wide dynamic range and high sensitivity for ATM-PON system', Proc. IEEE ESSCIRC, 2001, p. 182–185.
    6. 6)
    7. 7)
      • http://www.maxim-ic.com.
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