Industrial Technology Research Institute

Yu Chi Lee

Ching-Yuan Yang

Nai-Chen Cheng

Chih-Hsiang Chang

Ji-Jan Chen

Yuan-Hua Chu

Hong-Yu Lin

Chin Chen Yang

Fang I Shieh

Su Yu Fun

Chi Yuan Wu

Hua-Shan Hu

A voltage-controlled oscillator device includes first and second voltage-controlled oscillators, a first switch group including two first switches, and a second switch group including two second switches. The first voltage-controlled oscillator includes a first inductor group, a first negative resistance circuit and a first voltage output terminal group. The second voltage-controlled oscillator includes a second inductor group, a second negative resistance circuit and a second voltage output terminal group. For the first switch group, first control terminals are electrically connected to the first voltage output terminal group, first input terminals are electrically connected to the second voltage output terminal group, first output terminals are electrically connected. For the second switch group, second control terminals are electrically connected to the second voltage output terminal group, second input terminals are electrically connected to the first voltage output terminal group, second output terminals are electrically connected.

Voltage-controlled oscillator device

A capacitance phase interpolation circuit including a first capacitance phase interpolation unit and a second capacitance phase interpolation unit is disclosed. The first capacitance phase interpolation unit includes a first capacitance group, wherein a plurality of capacitors in the first capacitance group are in a ring coupling, and the first capacitance phase interpolation unit receives a plurality of reference clock signals. The second capacitance phase interpolation unit is coupled to the first capacitance phase interpolation unit and includes a second capacitance group, wherein a plurality of capacitors in the second capacitance group are in a ring coupling, and each of the output clock signals is obtained via the first capacitance phase interpolation unit and the second capacitance phase interpolation unit by performing phase interpolation on all the reference clock signals.

Capacitance phase interpolation circuit and method thereof, and multi-phase generator applying the same

A current reuse frequency divider including a first latch circuit and a second latch circuit is provided. The first latch circuit includes a first transistor pair and a second transistor pair. The first latch circuit receives a first differential oscillation signal through bodies of the first transistor pair and the second transistor pair and divides the frequency of the first differential oscillation signal to generate a second differential oscillation signal. The second latch circuit is coupled to the first latch circuit and includes a third transistor pair and a fourth transistor pair. The second latch circuit receives the first differential oscillation signal through bodies of the third transistor pair and the fourth transistor pair and divides the frequency of the first differential oscillation signal to generate a third differential oscillation signal.

Current reuse frequency divider and method thereof and voltage control oscillator module and phase-locked loop using the same

A voltage-controlled oscillator (VCO) module including a first VCO unit, a second VCO unit, and a matching circuit is provided. The first VCO unit includes a first terminal and a second terminal and generates a first oscillator signal. The second VCO unit is coupled to the first VCO unit and generates a second oscillator signal. The matching circuit is coupled between the first VCO unit and second VCO unit. The matching circuit includes a plurality of inductor modules respectively coupled between the first terminal of the first VCO unit and the second VCO unit, between the first terminal and the second terminal of the first VCO unit, and between the second terminal of the first VCO unit and the second VCO unit. Furthermore, a method for generating oscillator signals is also provided.

Voltage-controlled oscillator module and method for generating oscillator signals

An apparatus for clock skew compensation is provided. The apparatus includes a first delay locked loop (DLL) module disposed in a first die and a second DLL module disposed in a second die. A first input terminal of the first DLL module receives a reference clock. A first input terminal of the second DLL module is electrically connected to an output terminal of the first DLL module. An output terminal of the second DLL module is electrically connected to a second input terminal of the first DLL module.

Apparatus for clock skew compensation

The present invention relates to a jitter measuring system, comprising: a delay circuit for receiving a clock signal and delaying the clock signal to generate a delay signal; a jitter amplifier for receiving the clock signal and delay signal to generate a first signal and a second signal; and a converter for converting a phase different between the first signal and the second signal into a relevant digital code; wherein the phase difference between the first signal and the second signal is an amplification of jitter.

Jitter measuring system and method

A repairable TFT-LCD assembly and a method for fabricating such assembly have been disclosed. In the repairable TFT-LCD assembly, a novel separation tape is utilized between the TFT and the LCD substrate such that when the tape is pulled in a perpendicular direction to the planar surface of the LCD substrate, the TFT can be separated from the assembly without causing damages to the LCD substrate. The separation tape is fabricated of a polymeric based insulating material with a multiplicity of apertures filled with a conductive metal. The back of the separation tape is laminated with a copper film which is patterned corresponding to the pattern of conductive pads provided on the LCD substrate. The present invention is further directed to a method for fabricating the separation tape for use in a repairable TFT-LCD assembly.

Growing community of inventors

Tao-Yuan, Taiwan

Yu Chi Lee