Stereo decoder
TEA6820T; TEA6822T
Adjustment-free PLL VCO
Pilot depending mono/stereo switching
Analog control of mono/stereo blend
Adjacent channel noise suppression (114 kHz)
Pilot cancelled
Analog control of de-emphasis
Integ
Key Features
General.
FM mixer for conversion from FM-IF1 = 72.2 MHz to FM-IF2 = 10.7 MHz.
AM mixer for conversion from AM-IF1 = 10.7 MHz to AM-IF2 = 450 kHz.
FM-IF gain stage.
Crystal oscillator providing mixer frequencies and references for IF-count and stereo decoder.
FM quadrature demodulator with automatic centre frequency adjustment and THD compensation.
Full PDF Text Transcription for TEA6822T (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
TEA6822T. For precise diagrams, and layout, please refer to the original PDF.
INTEGRATED CIRCUITS DATA SHEET TEA6820T; TEA6822T In Car Entertainment (ICE) car radio Preliminary specification Supersedes data of 1996 Oct 18 File under Integrated Circu...
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pecification Supersedes data of 1996 Oct 18 File under Integrated Circuits, IC01 1997 Feb 12 Philips Semiconductors Preliminary specification In Car Entertainment (ICE) car radio FEATURES General • FM mixer for conversion from FM-IF1 = 72.2 MHz to FM-IF2 = 10.7 MHz • AM mixer for conversion from AM-IF1 = 10.