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Specifications
P
P
a
a
g
g
e
e
2
2
-
-
6
6
S
S
e
e
r
r
v
v
i
i
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
M
M
T
T
9
9
3
3
0
0
B
B
AUDIO #2 AND #3 FM DEMODULATOR CHARACTERISTICS
Sub carrier Frequency Tuning Frequency
0.05 to 9.995 MHz
880 kHz
880 ± 200 / 1540 ± 350 kHz
440 kHz
440 ± 60 / 720 ± 180 kHz
220 kHz
220 ± 50 / 410 ± 100 kHz
110 kHz
110 ± 40 / 230 ± 80 kHz
IF Bandwidth
At – 3 dB / - 20 dB
Ref. Max. Level
55 kHz
55 ± 15 / 125 ± 35 kHz
Minimum Input Level at 100 kHz Bandwidth
Hum and Noise at 68 dB S/N
≤
10 mV rms
AUDIO #2 AND #3 OUTPUT CHARACTERISTICS
Output Impedance
600 ± 30 ohms
300 kHz p-p Deviation
880 kHz p-p IF Bandwidth
300 kHz p-p Deviation
440 kHz p-p IF Bandwidth
300 kHz p-p Deviation
220 kHz p-p IF Bandwidth
100 kHz p-p Deviation
110 kHz p-p IF Bandwidth
Output Level
50 kHz p-p Deviation
55 kHz p-p IF Bandwidth
≥
18 dBm
800 kHz p-p Deviation
880 kHz p-p IF Bandwidth
400 kHz p-p Deviation
440 kHz p-p IF Bandwidth
200 kHz p-p Deviation
220 kHz p-p IF Bandwidth
100 kHz p-p Deviation
110 kHz p-p IF Bandwidth
Frequency Response
De-emphasis 50 µsec, 75 µsec,
J17, Panda
50 kHz p-p Deviation
55 kHz p-p IF Bandwidth
± 2 dB
(20 Hz to 15 kHz)
800 kHz p-p Deviation
880 kHz p-p IF Bandwidth
400 kHz p-p Deviation
440 kHz p-p IF Bandwidth
200 kHz p-p Deviation
220 kHz p-p IF Bandwidth
100 kHz p-p Deviation
110 Hz p-p IF Bandwidth
Frequency Response
De-emphasis Flat
50 kHz p-p Deviation
55 kHz p-p IF Bandwidth
≤
1%
(Continued
)
Содержание mt930b
Страница 3: ...MT930B Service Manual Page i ...
Страница 10: ...General Information Page 1 4 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 22: ...Controls and Connections Page 3 4 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 86: ...Options Maintenance Page 7 2 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 90: ...Drawings Page 9 2 Service Manual MT930B 10264 Figure 9 1 MT930B Block Diagram 1 ...
Страница 91: ...Drawings MT930B Service Manual Page 9 3 10265 Figure 9 2 MT930B Block Diagram 2 ...
Страница 92: ...Drawings Page 9 4 Service Manual MT930B 10266 Figure 9 3 MT930B Block Diagram 3 ...
Страница 93: ...Drawings MT930B Service Manual Page 9 5 10267 Figure 9 4 MT930B Block Diagram 4 ...
Страница 94: ...Drawings Page 9 6 Service Manual MT930B 10268 Figure 9 5 MT930B Head Phone Schematic ...
Страница 95: ...Drawings MT930B Service Manual Page 9 7 10269 Figure 9 6 MT930B RF PC Board Schematic ...
Страница 96: ...Drawings Page 9 8 Service Manual MT930B 10270 Figure 9 7 MT930B Converter Module Schematic ...
Страница 97: ...Drawings MT930B Service Manual Page 9 9 10271 Figure 9 8 MT930B Main PC Board Sheet 1 of 3 ...
Страница 98: ...Drawings Page 9 10 Service Manual MT930B Figure 9 9 MT930B Main PC Board Sheet 2 of 3 ...
Страница 99: ...Drawings MT930B Service Manual Page 9 11 10273 Figure 9 10 MT930B Main PC Board Sheet 3 of 3 ...
Страница 100: ...Drawings Page 9 12 Service Manual MT930B 10274 Figure 9 11 MT930B Power Supply Schematic ...
Страница 101: ...Drawings MT930B Service Manual Page 9 13 10275 Figure 9 12 MT930B IF Filter Block Schematic ...
Страница 102: ...Drawings Page9 14 Service Manual MT930B 10276 Figure 9 13 MT930B Audio IF PB01 Schematic ...
Страница 103: ...Drawings MT930B Service Manual Page 9 15 10277 Figure 9 14 MT930B Audio Out Schematic ...
Страница 104: ...Drawings Page 9 16 Service Manual MT930B 10278 Figure 9 15 MT930B Audio PW01 PC Board Schematic ...