PRELIMINARY DATA SHEET
MSP 34x0D
Table 3–4:
Key parameters for B/G, D/K, and M 2-carrier sound system
Sound Carriers
B/G
Vision/sound power ratio
Sound bandwidth
Preemphasis
Frequency deviation
Sound Signal Components
Mono transmission
Stereo transmission
Dual-sound transmission
mono
(L+R)/2
language A
(L+R)/2
R
language B
mono
(L
−
R)/2
50
µ
s
Carrier FM1
D/K
13 dB
40 Hz to 15 kHz
75
µ
s
50
µ
s
75
µ
s
M
B/G
Carrier FM2
D/K
20 dB
M
±
50 kHz
±
25 kHz
±
50 kHz
±
25 kHz
Identification of Transmission Mode on Carrier FM2
Pilot carrier frequency in kHz
Type of modulation
Modulation depth
Modulation frequency
54.6875
AM
50 %
mono: unmodulated
stereo: 117.5 Hz
dual:
274.1 Hz
149.9 Hz
276.0 Hz
55.0699
33
34 39 MHz
5
9 MHz
According to the mixing characteristics
of the sound IF mixer, the sound IF
filter may be omitted.
SAW Filter
Tuner
Sound
IF
Mixer
Sound IF Filter
Loudspeaker
1
Mono
Vision
Demo-
dulator
SCART1
2
Subwoofer
2
MSP 34x0D
Headphone
SCART
Inputs
Composite
Video
SCART2
2
SCART3
SCART4
2
2
2
SCART1
SCART2
SCART
Outputs
I
2
S1
Dolby
Pro Logic
Processor
DPL35xxA
ADR
I
2
S2
ADR
Decoder
DRP3510A
Fig. 3–1:
Typical MSP 34x0D application
Micronas
9
MICRONAS [ MICRONAS ]
