Description
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
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.
- Level, multi-path and noise detectors.
- Soft mute.
- Stereo noise cancelling and.
TEA6820T Datasheet
