MSM6946GS-K Ver la hoja de datos (PDF) - Oki Electric Industry
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MSM6946GS-K Datasheet PDF : 25 Pages
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¡ Semiconductor
MSM6926/6946
Analog Interface Characteristics
1. MSM6926
Transmit carrier out (AO)
Parameter
ORIGINATE MODE
Carrier Frequency
ANSWER MODE
Carrier Frequency
Output Resistance
Load Resistance
Load Capacitance
Transmit Level
Symbol
Mark
1
fOM
Space
0
fOS
Mark
1
fAM
Space
0
fAS
ROXA
RLXA
CLXA
VOXA
Output Offset Voltage
VOSX
Out-of-Band Energy
(Referred to Carrier Level)
EOX
(VA = 12 V ±10%, VD = 5 V ±5%, Ta = 0 to 70°C)
Condition
Min. Typ. Max. Unit
974 980
986
fCRYSTAL = 3.579545 MHz
1174
1644
1180
1650
1186
Hz
1656
—
—
—
—
—
C1 = 0.047 mF
1844 1850 1856
—
—
200 W
50
—
— kW
—
—
100 pF
4
6
8 *1 dBm
VA
2
–1
VA
2
VA
2
+1
V
Refer to Fig. 1
dB
Receive carrier input (AIN)
Parameter
Symbol
Input Resistance
RIRA
Receive Signal Level Range
VIRA
Carrier Detect Level
ON VCD ON
OFF VCD OFF
Carrier Detect Hysteresis
HYS
Condition
—
—
R8 = 33 kW *2
R9 = 51 kW
VCD ON – VCD OFF
Min.
100
–48
—
–48
2
Typ.
—
—
—
—
—
Max. Unit
— kW
–6
–43 *1 dBm
—
—
dB
Receive filter
Parameter
Group Delay Distortion
Adjacent Channel Rejection
Symbol
Condition
ORIG. 1600 to 1900 Hz
MODE
DDL
ANS.
MODE
930 to 1230 Hz
LAC
VAIN = –6 dBm
Notes: *1 0 dBm = 0.775 Vrms
*2 The resistor values are typical
Min.
—
—
50
Typ.
800
850
—
Max. Unit
—
ms
—
—
dB
10/25
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