High-Gain Transimpedance Amplifier With DC Photodiode Current Rejection
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open in viewerThis master's thesis deals with the design of a differential high-gain transimpedance amplifier in TSMC's 0.18 um mixed signal process that utilizes a DC photodiode current cancellation loop and a switching automatic gain control (AGC) with a bilinear gain curve. The amplifier is designed to satisfy the demands of Optical Coherence Tomography applications where the receiver is expected to measure the envelope power of an amplitude modulated sinusoidal optical signal that incorporates a large DC component. Methods of increasing dynamic range and gain linearity through the use of DC photodiode current cancellation and bilinear gain are explored. Effects of changing DC photodiode current on the overall system response is also demonstrated.
- Creator
- Colaboradores
- Degree
- Unit
- Publisher
- Language
- English
- Identifier
- etd-050505-105548
- Palabra Clave
- Advisor
- Committee
- Defense date
- Year
- 2005
- Date created
- 2005-05-05
- Resource type
- Rights statement
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Permanent link to this page: https://digital.wpi.edu/show/zg64tm03s