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TDA3845 Datasheet, PDF (14/18 Pages) NXP Semiconductors – Quasi split-sound circuit and AM demodulator
Philips Semiconductors
Quasi split-sound circuit and AM
demodulator
Objective specification
TDA3845; TDA3845T
Picture modulation; 6 kHz sinewave.
Intercarrier signal; sound Channel 1 = 5.5 MHz,
sound Channel 2 = 5.74 MHz.
Fig.10 Response curve of the signal-to-weighted
noise ratio of the demodulated intercarrier
signal.
2
handbook, full pagewidth
THD
(%)
1
MLB058
0
10
10 2
10 3
10 4
f (Hz)
10 5
Fig.11 Response curve for the total harmonic distortion of the AM signal.
January 1993
14