tda9874h NXP Semiconductors, tda9874h Datasheet - Page 48

• Manufacturer Part Number: tda9874h
• Description: Digital Tv Sound Demodulator/decoder
• Manufacturer: NXP Semiconductors

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Table 74 Level setting FM, AM and NICAM at 0 dB (full-scale) = 1.4 V (RMS)
Table 75 Level setting SAT FM at 0 dB (full-scale) = 1.4 V (RMS)
FM
M standard
FM
B/G, D/K, I
standard
AM
L/L accent
standard
NICAM
B/G, D/K,
L standard
NICAM
I standard
SAT FM
stereo
SAT FM
mono
SOURCE
SOURCE
50 kHz deviation
85 kHz deviation
TRANSMITTER NOMINAL
15 kHz deviation
27 kHZ deviation
54%
MAXIMUM MODULATION
11.2 dB (full-scale)
15.8 dB (full-scale)
MODULATION DEPTH
TRANSMITTER
DEPTH
DEMODULATOR OUTPUT
DEMODULATOR OUTPUT
13 dB (full-scale)
9 dB (full-scale)
24 dB (full-scale)
19 dB (full-scale)
19 dB (full-scale)
18 dB (full-scale)
23 dB (full-scale)
NOMINAL LEVEL AT
NOMINAL LEVEL AT
+4 dB
0 dB
LEVEL ADJUST
+9 dB
+4 dB
+4 dB
+3 dB
+8 dB
LEVEL ADJUST
SETTING
SETTING
(spread of 0.5 dB
due to different
transmitter
references)
MAXIMUM LEVEL
NOMINAL LEVEL
9 dB (full-scale)
15 dB (full-scale)
AT CROSSBAR
AT CROSSBAR
+6 dB
+6 dB
DAC GAIN
DAC GAIN
SETTING
SETTING
1 V (RMS)
MAXIMUM OUTPUT
500 mV (RMS)
NOMINAL OUTPUT
VOLTAGE V
VOLTAGE V
O
O