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For the Inventor, By the Inventor

Encinitas, CA, United States of America

Allen Carl Merrill

USPTO Granted Patents = 9

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 85(Granted Patents)


Company Filing History:

goldMedal9 out of 528 
 
Applied Micro Circuits Corporation
 patents

Years Active: 2000-2010

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9 patents (USPTO):
1. 7848404 - Current mode logic multi-tap feed-forward equalizer (2010-12-07),
2. 6741108 - Method and circuit to reduce jitter generation in a PLL using a reference quadrupler and an equalizer (2004-05-25),
3. 6720806 - Method and circuit for producing a reference frequency signal using a reference frequency doubler having frequency selection controls (2004-04-13),
4. 6657464 - Method and circuit to reduce jitter generation in a PLL using a reference quadrupler, equalizer, and phase detector with control for multiple frequencies (2003-12-02),
5. 6545524 - Configurable multiplexing circuit and method (2003-04-08),
6. 6538520 - Methods and apparatus for producing a reference frequency signal with use of a reference frequency quadrupler having frequency selection controls (2003-03-25),
7. 6121804 - High frequency CMOS clock recovery circuit (2000-09-19),
8. 6037842 - Complementary metal-oxide semiconductor voltage controlled oscillator (2000-03-14),
9. 6014062 - Control circuit for a complementary metal-oxide semiconductor voltage (2000-01-11),

Title: Allen Carl Merrill: Innovator in Feed-Forward Equalization Technology

Introduction

Allen Carl Merrill is a prominent inventor based in Encinitas, CA (US). He holds a total of 9 patents that showcase his contributions to the field of electrical engineering, particularly in the area of feed-forward equalization technology.

Latest Patents

One of his latest patents is titled "Current mode logic multi-tap feed-forward equalizer." This invention provides a system and method for feed-forward equalization (FFE) in a transmission system. The method accepts a serial stream of input digital data signals. For each input data signal, a temporal sequence of signals is generated. Each of the signals in the temporal sequence is selectively shaped, which includes varying the degree of amplification, modifying the slew rate, or varying the time delay. The contributions of the selectively shaped signals in the temporal sequence are then selectively weighted, and a summed output signal is transmitted.

Another significant patent is "Method and circuit to reduce jitter generation in a PLL using a reference quadrupler and an equalizer." This method focuses on reducing jitter in a phase-locked loop (PLL) by receiving a first reference signal and quadrupling its frequency to produce a second reference signal. The second reference signal is then provided to a frequency phase detector of the PLL. The method may also include equalizing the second reference signal prior to its delivery to the frequency phase detector. This can be accomplished by a circuit that utilizes two frequency doublers arranged in series, along with two equalizers configured to equalize the output of each frequency doubler.

Career Highlights

Allen Carl Merrill has made significant strides in his career, particularly through his work at Applied Micro Circuits Corporation. His innovative approaches have led to advancements in technology that are widely recognized in the industry.

Collaborations

Throughout his career, Allen has collaborated with notable colleagues such as Wei Fu and Joseph James Balardeta. These partnerships have contributed to the development of cutting-edge technologies in the field.

Conclusion

Allen Carl Merrill is a distinguished inventor whose work in feed-forward equalization technology has made a lasting impact. His patents reflect his commitment to innovation and excellence in engineering.

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