{
  "$type": "site.standard.document",
  "description": "A physical quantity detection circuit includes a signal conversion circuit configured to output a first differential signal based on an output signal of a physical quantity detection element, an active filter to which a second differential signal based on the first differential signal is input, and…",
  "path": "/patents/1305002",
  "publishedAt": "2021-11-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01P3/44",
    "Seiko Epson Corporation"
  ],
  "textContent": "A physical quantity detection circuit includes a signal conversion circuit configured to output a first differential signal based on an output signal of a physical quantity detection element, an active filter to which a second differential signal based on the first differential signal is input, and an analog/digital conversion circuit configured to sample a third differential signal based on an output signal of the active filter to convert the third differential signal into a digital signal, wherein the active filter includes an operational amplifier, a first chopping circuit disposed in a signal path between the signal conversion circuit and the operational amplifier, and a second chopping circuit disposed in a signal path between the operational amplifier and the analog/digital conversion circuit, and fch",
  "title": "Physical Quantity Detection Circuit and Physical Quantity Detection Device"
}