page_title: Intermediate-frequency amplifier
hierarchical_section_title: Intermediate-frequency amplifier
caption_attribution_description: English: Profitronic VCR7501VPS - controller board - Philips TDA8341 - Television IF amplifier and demodulator
context_page_description: Intermediate-frequency amplifiers are amplifier stages used to raise signal levels in radio and television receivers, at frequencies intermediate to the higher radio-frequency signal from the antenna and the lower audio or video frequency that the receiver is recovering.
context_section_description: Intermediate-frequency (IF) amplifiers are amplifier stages used to raise signal levels in radio and television receivers, at frequencies intermediate to the higher radio-frequency (RF) signal from the antenna and the lower (baseband) audio or video frequency that the receiver is recovering.
caption: More modern IF amplifier and demodulator in integrated circuit form
exif: {"Image ImageDescription": "Profitronic VCR7501VPS - controller board - Philips TDA8341", "Image Make": "Canon", "Image Model": "Canon EOS 5D Mark IV", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 6.14 (Windows)", "Image DateTime": "2019:05:01 10:43:55", "Image Artist": "Raimond Spekking", "Image ExifOffset": "318", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1014", "Thumbnail JPEGInterchangeFormatLength": "14213", "EXIF ExposureTime": "1", "EXIF FNumber": "14", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "200", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "200", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2019:03:28 18:09:41", "EXIF DateTimeDigitized": "2019:03:28 18:09:41", "EXIF ShutterSpeedValue": "0", "EXIF ApertureValue": "761471/100000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "100", "EXIF SubSecTimeOriginal": "42", "EXIF SubSecTimeDigitized": "42", "EXIF ColorSpace": "sRGB", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "890", "EXIF FocalPlaneXResolution": "61166933/32768", "EXIF FocalPlaneYResolution": "61166933/32768", "EXIF FocalPlaneResolutionUnit": "3", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "183056000531", "EXIF LensSpecification": "[100, 100, 0/0, 0/0]", "EXIF LensModel": "EF100mm f/2.8 Macro USM", "EXIF LensSerialNumber": "0000000000"}