A differential cmos automatic gain control amplifier
The automatic gain control method of the transimpedance amplifier disclosed by the invention has wider applicability. Automatic gain control circuit for fully differential trans-impedance amplifier Technical Field. The invention relates to the field of optical communication, in particular to an automatic gain control circuit for a fully differential transimpedance amplifier. Optical fiber communication systems have been developed rapidly in network and multimedia communications due to their characteristics of large capacity, high speed, etc.
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A differential cmos automatic gain control amplifier
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Content:
- CMOS AGC Design Strategies
- A CMOS "Soft-Switched" transconductor and its application in gain control and filters
- 10 Gb/s CMOS limiting amplifier for optical links
- A Differential CMOS Automatic Gain Control Amplifier
- Circuit simulation and schematics.
- Unknown error
- A high-performance low-power CMOS AGC for GPS application
CMOS AGC Design Strategies
Toggle navigation. Product Detail. The M is a 4 Gbps transimpedance amplifier TIA achieving a wide input dynamic range to support different transmission distance requirements. Input overload of 4 mAPP is provided to support short-haul fiber optic systems and input sensitivity of better than dBm is useful for single-mode tests of high power long haul links.
The M incorporates an automatic gain control AGC in order to satisfy high sensitivity and optical overload requirements.
The AGC monitors the output amplitude and automatically reduces the TIA gain when the photodiode current exceeds the AGC threshold, maintaining the output at a constant level. Applications Enterprise Solutions Optical Networking.
Request Content. M M M M M No Recent Parts found! Customer Support. Technical Applications Support. M 4.
A CMOS "Soft-Switched" transconductor and its application in gain control and filters
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10 Gb/s CMOS limiting amplifier for optical links
The automatic gain control AGC circuit is a critical building block in modern wireless transceivers. It is used in both the transmitter TX and receiver RX. For example, a well-known issue in a CDMA system is the problem of simultaneously receiving two signals of different strength. If two users transmit to the base station BS at the same time, the received power from the close user will be much higher and will jam the signal from the far away user if the power level difference is large. In the RX, the received signal can vary drastically in a mobile environment. At the same time, the analog-to-digital converter ADC requires a fixed input level. CMOS technology has been the technology of choice because of its low cost and higher integration features. AGC circuitry has been well studied and researched.
A Differential CMOS Automatic Gain Control Amplifier
A low-noise high-gain high-speed optical receiver is fabricated in 0. The transimpedance amplifier incorporating a differential common-base shunt-feedback topology features isolation to input capacitance and high transimpedance limit. Specifically, a comprehensive analytical expression of the input-referred noise current power spectral density of the transimpedance amplifier is derived and investigated, which provides insights for noise optimization. Additionally, the linearity of intermediate stages is improved by a modified variable-gain amplifier operating with automatic gain control.
Circuit simulation and schematics.
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A high-performance low-power CMOS AGC for GPS application
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ScienceON Chatbot. High frequency CMOS differential amplifiers with fully compensated linear-in-dB variable gain characteristic. CMOS variable gain amplifier and control method therefor. Callahan ; Jr. Michael J.. Circuit for automatic regulation of a differential amplifier's gain.
In this paper, a low-voltage automatic gain control AGC circuits is presented. The proposed circuit uses a novel approximated exponential function to increase the dB-linear output range. The three-stage AGC is fabricated in 0.
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