Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes a first current source, a first transistor, a second transistor, a third transistor, and a fourth transistor. The control terminal of the first transistor receives a first input signal. The control terminal of the second transistor receives a second input signal. The third transistor has a first terminal coupled to the second terminal of the first transistor, a second terminal coupled to the first current source, and a control terminal coupled to the control terminal of the second transistor. The fourth transistor has a first terminal coupled to the second terminal of the second transistor, a second terminal coupled to the first current source, and a control terminal coupled to the control terminal of the first transistor.

Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes an input circuit, a voltage maintaining circuit, and a current source. The input circuit includes a first input transistor and a second input transistor, for receiving a first and a second input signals, respectively. The voltage maintaining circuit includes a first branch circuit and a second branch circuit. The first branch circuit is coupled to the first input transistor for receiving the first input signal, and the second branch circuit is coupled to the second input transistor for receiving the second input signal. The current source is coupled to the first input transistor and the second input transistor. The loading stage circuit is coupled to the voltage maintaining circuit.

Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes a first current source, a first transistor, a second transistor, a third transistor, and a fourth transistor. The control terminal of the first transistor receives a first input signal. The control terminal of the second transistor receives a second input signal. The third transistor has a first terminal coupled to the second terminal of the first transistor, a second terminal coupled to the first current source, and a control terminal coupled to the control terminal of the second transistor. The fourth transistor has a first terminal coupled to the second terminal of the second transistor, a second terminal coupled to the first current source, and a control terminal coupled to the control terminal of the first transistor.

Abstract: An electrical connector includes an insulative housing defining a front cavity for receiving a plug and a rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module, and a shielding module sandwiched therebetween. The upper terminal module includes a pair of upper ground terminals. The lower terminal module includes a pair of lower ground terminals. The shielding module includes a metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.

Abstract: An electrical connector includes an insulative housing defining a front cavity for receiving and rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module sandwiching a shielding module therebetween. Said upper terminal module includes a pair of upper ground terminals. Said lower terminal module includes a plurality of lower ground terminals. Said shielding module includes metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.

Abstract: An electrical connector includes an insulative housing defining a front cavity for receiving and rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module sandwiching a shielding module therebetween. Said upper terminal module includes a pair of upper ground terminals. Said lower terminal module includes a plurality of lower ground terminals. Said shielding module includes metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.

Abstract: A receptacle connector includes an insulative housing defining a base and a mating tongue extending from the base with a widen and thicken step structure formed around a root of the mating tongue near to the base, two rows of plate contacts disposed in the insulative housing with contacting sections exposed upon the mating tongue and in front of the step structure and categorized with signal contacts, power contacts and grounding contacts, and a metallic shielding plate disposed within a middle level of the mating tongue and occupying most portions of said mating tongue. The shielding plate defines a pair of immoveable and un-deflectable lateral edge sections in front of the step structure, each lateral edge section is configured to be adapted to be locked with a latch of a plug connector in a transverse direction.

Abstract: An electrical connector assembly includes a receptacle connector and a plug connector. The receptacle connector includes an insulative housing, and a plurality of contacts received in the housing. The plug connector includes an enclosure, and a printed circuit board enclosed in the enclosure with an end for being inserted into the insulative housing to mate with the contacts. Wherein at least one pair of slots are formed on one of the receptacle and the plug connector, and at least a corresponding pair of ribs are formed on the other to mate with the at least one pair of slots for not only providing an anti-mismating function but also a restriction function for holding the plug connector in position with respective to the receptacle.

Abstract: A receptacle connector includes an insulative housing defining a base and a mating tongue extending from the base with a widen and thicken step structure formed around a root of the mating tongue near to the base, two rows of plate contacts disposed in the insulative housing with contacting sections exposed upon the mating tongue and in front of the step structure and categorized with signal contacts, power contacts and grounding contacts, and a metallic shielding plate disposed within a middle level of the mating tongue and occupying most portions of said mating tongue. The shielding plate defines a pair of immoveable and un-deflectable lateral edge sections in front of the step structure, each lateral edge section is configured to be adapted to be locked with a latch of a plug connector in a transverse direction.

Abstract: An electrical connector includes an insulative housing defining a forwardly extending mating tongue, a plurality of contacts with contacting sections exposed upon the mating tongue and a metallic shield enclosing the insulative housing to define a mating cavity. A metallic shielding plate is embedded within the mating tongue and forms a pair of locking notches in two opposite lateral sides. The mating tongue further includes in two opposite lateral sides a pair of recesses aligned with and intimately located inside of the pair of locking notches, respectively, in the transverse direction. The housing and the corresponding contacts commonly form the terminal module which is composed of an upper terminal module, a lower terminal module commonly sandwiching a shielding plate module therebetween in the vertical direction. The metallic shield optionally defines a clip structure by folding an extension on a rear lower edge thereof.

Abstract: A receptacle connector mounted to a PCB, includes an insulative housing defining a mating tongue and a metallic shell enclosing the housing to form a mating cavity in which said mating tongue forwardly extends. A metallic shielding plate is embedded within a mid-level of the mating tongue wherein a leg of the shielding plate and a tail of an outermost grounding contact share the same conductive grounding region on the PCB. A plug connector mateable with the receptacle connector, includes an insulative housing defining a mating cavity to receive the mating tongue and equipped with a plurality of contacts and a metallic latch beside the mating cavity, wherein a tail of one grounding contact and a leg of the latch share the same conductive grounding region on a paddle card, which is behind the mating cavity and on which tails of the contacts are electrically and mechanically mounted.

Abstract: An electrical connector includes an insulative housing having a longitudinal slot and at least one row of contacts retained in the housing. Each of the contacts defines a retention portion, a resilient contacting arm extending from the retention portion with a contacting portion protruding into the longitudinal slot, and a soldering tail extending out of the housing. The contacts include at least two differential pairs adjacent to each other and at least one grounding contact sandwiched therebetween in the longitudinal direction. The contacting portions of each differential pairs are closer to the mating face than the contacting portion of the grounding contact in the mating direction, which can improve resonance of the electrical connector during transferring high-speed signals.

Abstract: An electrical connector includes an insulative housing defining a forwardly extending mating tongue, a plurality of contacts with contacting sections exposed upon the mating tongue and a metallic shield enclosing the insulative housing to define a mating cavity. A metallic shielding plate is embedded within the mating tongue and forms a pair of locking notches in two opposite lateral sides. The mating tongue further includes in two opposite lateral sides a pair of recesses aligned with and intimately located inside of the pair of locking notches, respectively, in the transverse direction. The housing and the corresponding contacts commonly form the terminal module which is composed of an upper terminal module, a lower terminal module commonly sandwiching a shielding plate module therebetween in the vertical direction. The metallic shield optionally defines a clip structure by folding an extension on a rear lower edge thereof.

Abstract: A receptacle connector mounted to a PCB, includes an insulative housing defining a mating tongue and a metallic shell enclosing the housing to form a mating cavity in which said mating tongue forwardly extends. A metallic shielding plate is embedded within a mid-level of the mating tongue wherein a leg of the shielding plate and a tail of an outermost grounding contact share the same conductive grounding region on the PCB. A plug connector mateable with the receptacle connector, includes an insulative housing defining a mating cavity to receive the mating tongue and equipped with a plurality of contacts and a metallic latch beside the mating cavity, wherein a tail of one grounding contact and a leg of the latch share the same conductive grounding region on a paddle card, which is behind the mating cavity and on which tails of the contacts are electrically and mechanically mounted.

Abstract: A valve manifold box comprises a chamber and a front cover. Significantly, the chamber is manufactured by injection molding and is one-piece construction. Moreover, the chamber comprises a back board, a sidewall, at least an outfall, and multiple fittings and inside surface at the bottom sidewall has changes in an inclination angle for collecting the liquid within the chamber. By means of injection molding, one piece construction of the chamber is obtained such that it prevents chemicals from leaking outside. Besides, by using the design that the inside surface at the bottom sidewall has changes in an inclination angle, liquid can be easily collected and drained. Also, since it is unnecessary to frequently maintain the valve manifold box, maintenance costs are saved.

Abstract: Methods and systems are described for detecting a video field parity pattern in a video signal comprising a plurality of interlaced video fields, wherein each video field includes a plurality of pixels located in a plurality of positions in a plurality of scan lines. One method includes receiving pixel data of a plurality of current pixels in a current video field, and pixel data of a plurality of first pixels in a first previous video field, where the first previous video field immediately precedes the current video field and together form an image frame.

Abstract: A card edge connector for use with a daughter board, and comprises an insulative elongated housing extending along a longitudinal direction, and defining opposite first and second side walls and a central slot formed therebetween for receiving the daughter board therein, a plurality of contacts each defining a retention portion retained in the housing, a resilient contact portion extending into the central slot from an upper portion of the retention portion for contacting with the daughter board, and a solder tail extending out of the housing form a lower portion of the retention portion. Wherein the contacts include a first row of contacts disposed in the first side wall, and a second row of contacts disposed in the second side wall. The first row of contacts have at least two adjacent grounding contacts electrically connected with each other during the contact portions of the contacts are contacting with the daughter board.

Abstract: A method for automatically detecting and suppressing cross-color and cross-luma present in a baseband component video signal includes receiving component pixel data of a current pixel, a first previous pixel and a second previous pixel. First, second and third differences are calculated based on the component pixel data of the current, first previous and second previous pixels, and the presence of cross-luma and/or cross-color is determined for the current pixel based on an absolute value of at least one of the first, the second and the third differences. A per pixel count associated with the component pixel data of the current pixel is determined based on the determined presence of at least one of cross-luma and cross-color, and the component pixel data of the current pixel is modified based on the per pixel count.

Abstract: An image scaling system includes a single set of line buffers that receive and store input image pixel data in an input video frame. The scaling system also includes a linear two-dimensional sharpness enhancement unit configured to receive input pixel data from the line buffers and to generate sharpened pixel data by enhancing high frequency components of the input pixel data at an input image resolution, a linear two-dimensional image scaling unit configured to receive the sharpened pixel data and to convert the sharpened pixel data into scaled sharpened pixel data at an output image resolution, and a transient improvement unit configured to receive the input pixel data from the line buffers, sharpened pixel data and scaled sharpened pixel data to improve transient responses at edges in an output image, and to generate output image pixel data at the output image resolution.

Abstract: A method of reducing noise levels in an input video signal comprising pixel data includes receiving input pixel data of the input video signal, where the input pixel data comprises luminance data and chrominance data, and estimating a noise level of the input video signal using the luminance data of the input pixel data. A plurality of filter parameters are identified based on the estimated noise level, and the input pixel data is filtered using a three dimensional spatiotemporal noise reduction filter that is controlled by a first set of the plurality of filter parameters.