Description
Stereo decoder
Adjustment-free PLL-VCO
TEA6821T
Pilot depending mono/stereo switching
Analog control of mono/stereo blend
Adjacent channel noise suppression (114 kHz)
Pilot canceller
Analog control of de-emphasis
Integrated low-
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 adjust and THD compensation.
- Level and multipath and noise detectors.
- Soft mute.
- Stereo noise cancelling and va.
TEA6821T Datasheet
