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公开(公告)号：US20250055432A1
公开(公告)日：2025-02-13
申请号：US18812840
申请日：2024-08-22
Applicant: Space Exploration Technologies Corp.
Inventor： Frederic Duez , Frederic Paillardet
Abstract: Technologies are provided for variable gain amplifiers (VGAs). An example VGA includes a resistor ladder network comprising resistor legs coupled to a first plurality of resistors and a second plurality of resistors, a first set of differential switches connected to the resistor ladder network, a second set of differential switches connected to a set of output nodes, a third set of differential switches connected to the resistor ladder network, a fourth set of differential switches connected to the set of output nodes, and a fifth transistor and a sixth transistor comprising a differential pair coupled to a differential input signal. The fifth transistor is connected to the first set of differential switches and the sixth transistor connected to the third set of differential switches.
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公开(公告)号：US12101069B2
公开(公告)日：2024-09-24
申请号：US17707735
申请日：2022-03-29
Applicant: Space Exploration Technologies Corp.
Inventor： Frederic Duez , Frederic Paillardet
CPC classification number: H03G3/3036 , H03F3/19 , H04B1/04 , H03F2200/451 , H03G2201/103 , H03G2201/307
Abstract: Technologies are provided for variable gain amplifiers (VGAs). An example VGA includes a resistor ladder including resistor legs coupled to first and second resistors; first differential switches connected to the resistor ladder and second differential switches connected to output nodes, a transistor in each of the first differential switches being coupled to an first electrical line interconnecting the first resistors and a different transistor in each of the first differential switches being coupled to a second electrical line interconnecting the second resistors; third differential switches connected to the resistor ladder and fourth differential switches connected to the output nodes, a transistor in each of the third differential switches being coupled to the first electrical line and a different transistor in each of the fourth differential switches being coupled to the second electrical line; and a pair of transistors respectively connected to the first differential switches and the third differential switches.
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公开(公告)号：US20220311404A1
公开(公告)日：2022-09-29
申请号：US17707735
申请日：2022-03-29
Applicant: Space Exploration Technologies Corp.
Inventor： Frederic Duez , Frederic Paillardet
Abstract: Technologies are provided for variable gain amplifiers (VGAs). An example VGA includes a resistor ladder including resistor legs coupled to first and second resistors; first differential switches connected to the resistor ladder and second differential switches connected to output nodes, a transistor in each of the first differential switches being coupled to an first electrical line interconnecting the first resistors and a different transistor in each of the first differential switches being coupled to a second electrical line interconnecting the second resistors; third differential switches connected to the resistor ladder and fourth differential switches connected to the output nodes, a transistor in each of the third differential switches being coupled to the first electrical line and a different transistor in each of the fourth differential switches being coupled to the second electrical line; and a pair of transistors respectively connected to the first differential switches and the third differential switches.
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