Abstract: A packaged semiconductor chip includes a semiconductor sub strate having formed thereon: radio-frequency (RF) input and output contact pads, DC contact pads, and first and second amplifier stages. An input of the first amplifier stage is coupled with the RF input contact pad. An input and an output of the second amplifier stage are respectively coupled to an output of the first amplifier stage and the RF output contact pad. The DC contact pads and the input of the first amplifier stages are connected via an input bias coupling path. The outputs of the amplifier stages are connected via an output bias coupling path. The chip further includes a lead frame having RF input and output pins electrically coupled to the RF input and output contact pads, and input bias pins electrically coupled to the DC contact pad.

Abstract: An apparatus includes a transparent photovoltaic cell, a roof decoration located under and viewable through the transparent photovoltaic cell, and a mounting frame sized to receive said photovoltaic cell and the roof decoration. The mounting frame is configured to be securely fastened to a roof of a structure.

Abstract: An exemplary system includes a feeder system configured to distribute a poisonous bait to voles and/or similar pests. One or more distribution tubes protect the bait from being absorbed, dissolved, or otherwise rendered ineffective, while continuously making the bait available to the pests. The distribution tubes also provide a tunnel-like environment such that the voles may feel comfortable enough to stay and eat. As the bait is eaten or otherwise distributed, a reserve descends to replace the previous bait. The exposed reserve tubing is attached to a removable cap, configured to allow indefinite refills of the bait until the pests are exterminated, without removal of the installed system. In some examples, the cap and reserve tubing may be decorated or camouflaged for esthetic purposes or to prevent tampering.

Abstract: An apparatus for securing solar panels to a roof includes a photovoltaic cell and a mounting frame sized to receive the photovoltaic cell. The mounting frame is configured to be securely fastened directly to a roof of a structure and form a vapor barrier on the roof.

Abstract: An exemplary system and method for forming a solar panel system includes manufacturing solar panel sheets via thin film solar technology that include a flashing overlap and a non-dry adhesive located on the bottom surface of the sheets such that the solar panel sheets form a moisture barrier on the roof while providing a renewable solar energy source. The solar panel system that forms a moisture barrier on the roof of a structure may include a non-glare surface treatment to provide the appearance of standard 30 year shingles. Additionally, the solar panel system may include a temperature/pressure/light transmissibility sensor system configured to notify a homeowner when the solar panel system is dirty, obscured, or should be changed to reverse current mode to melt snow or ice buildup.