MSP 34x7G
PRELIMINARY DATA SHEET
5.2. A2 Systems
Table 5–3: Key parameters for A2 Systems of Standards B/G, D/K, and M
Characteristics
Sound Carrier FM1
Sound Carrier FM2
TV-Sound Standard
Carrier frequency in MHz
B/G
D/K
M
B/G
D/K
M
5.5
6.5
4.5
5.7421875 6.2578125 4.724212
6.7421875
5.7421875
Vision/sound power difference
Sound bandwidth
13 dB
20 dB
40 Hz to 15 kHz
Preemphasis
50 µs
±27/±50 kHz
75 µs
50 µs
75 µs
Frequency deviation (nom/max)
Transmission Modes
±17/±25 kHz
±27/±50 kHz
±15/±25 kHz
Mono transmission
mono
mono
Stereo transmission
(L+R)/2
language A
(L+R)/2
R
(L−R)/2
Dual sound transmission
Identification of Transmission Mode
Pilot carrier frequency
language B
54.6875 kHz
±2.5 kHz
55.0699 kHz
Max. deviation portion
Type of modulation / modulation depth
Modulation frequency
AM / 50%
mono: unmodulated
stereo: 117.5 Hz
dual: 274.1 Hz
149.9 Hz
276.0 Hz
58
Micronas
MICRONAS [ MICRONAS ]
