18327789. CONTINUOUS TIME OPERATION AMPLIFIER AND OPERATING METHOD simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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CONTINUOUS TIME OPERATION AMPLIFIER AND OPERATING METHOD

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Seong Joong Kim of Suwon-si (KR)

Seung Tak Ryu of Daejeon (KR)

Kent Edrian Lozada of Daejeon (KR)

CONTINUOUS TIME OPERATION AMPLIFIER AND OPERATING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18327789 titled 'CONTINUOUS TIME OPERATION AMPLIFIER AND OPERATING METHOD

Simplified Explanation

The abstract describes a continuous time op-amp with a differential op-amp and a common mode feedback (CMFB) circuit. The CMFB circuit feeds a common mode voltage back to the op-amp through a capacitive coupled path.

  • Differential op-amp configured to amplify output signals based on the difference between input signals.
  • CMFB circuit includes feedback capacitors, switched capacitors, and switching elements.
  • Feedback capacitors connect output lines to the feedback line.
  • Switched capacitors are charged based on a common mode reference voltage.
  • Switching elements control the connection between feedback capacitors and switched capacitors.

Potential Applications

This technology could be applied in audio amplifiers, instrumentation amplifiers, and signal processing circuits.

Problems Solved

This technology helps in maintaining a stable common mode voltage in continuous time op-amps, reducing noise and distortion in the output signals.

Benefits

The continuous time op-amp with CMFB circuit provides improved performance, increased stability, and reduced power consumption compared to traditional op-amp designs.

Potential Commercial Applications

  • High-fidelity audio equipment
  • Medical instrumentation
  • Communication systems

Possible Prior Art

One possible prior art could be the use of feedback circuits in op-amps to stabilize output signals and reduce common mode noise.

What is the manufacturing cost of implementing this technology?

Implementing this technology may involve additional components and circuitry, potentially increasing manufacturing costs. However, the benefits in terms of performance and stability may outweigh the added cost.

How does this technology compare to existing common mode feedback circuits in terms of efficiency?

This technology offers continuous time feedback through a capacitive coupled path, which may provide more efficient common mode voltage stabilization compared to traditional feedback circuits.


Original Abstract Submitted

A continuous time op-amp includes a differential op-amp configured to produce, and output through output lines, output signals amplified based on a difference between input signals inputted to the differential op-amp, and a common mode feedback (CMFB) circuit configured to feed a common mode voltage back to the op-amp through a feedback line in continuous time through a capacitive coupled path, wherein the CMFB circuit includes: feedback capacitors connected between the output lines and the feedback line; switched capacitors charged based on a common mode reference voltage; and switching elements configured to control a connection between the feedback capacitors and the switched capacitors.