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MSM6927 Folha de dados(PDF) 12 Page - OKI electronic componets

Nome de Peças MSM6927
Descrição Electrónicos  1200 bps Single Chip FSK MODEM
PDF  31 Pages
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Fabricante Electrônico  OKI [OKI electronic componets]
Página de início  http://www.oki.com
Logo OKI - OKI electronic componets

MSM6927 Folha de dados(HTML) 12 Page - OKI electronic componets

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¡ Semiconductor
MSM6927/6947
12/31
Analog Interface Characteristics
1. MSM6927
Transmit carrier out (AO)
—
Parameter
Unit
Max.
Typ.
Min.
Symbol
Condition
Carrier Frequency
Hz
1310
1300
1290
fM
fCRYSTAL = 3.579545 MHz
(VA = 12 V ±10%, VD = 5 V ±5%, Ta = 0 to 70°C)
Mark
1
2100
2100
2090
fS
Space
0
Output Resistance
200
—
—
ROXA
W
—
Load Resistance
—
—
50
RLXA
k
W
—
Load Capacitance
100
—
—
CLXA
pF
—
Transmit Level
8
6
4
VOXA
*1 dBm
—
Output Offset Voltage
VA
2
VOSX
V
–1
VA
2
VA
2
+ 1
C1 = 0.047 mF
Out-of-Band Energy
(Referred to Carrier Level)
Refer to Fig. 1
EOX
dB
Receive carrier input (AIN)
Parameter
Unit
Max.
Typ.
Min.
Symbol
Condition
Input Resistance
k
W
—
—
100
RIRA
—
Receive Signal Level Range
*1 dBm
–6
—
–48
VIRA
—
Carrier Detect Level
–43
—
—
VCD ON
R8 = 33 kW
R9 = 51 kW
—
—
–48
VCD OFF
ON
OFF
*2
Carrier Detect Hysteresis
dB
—
—
2
HYS
VCD ON – VCD OFF
Receive filter
Parameter
Unit
Max.
Typ.
Min.
Symbol
Condition
Group Delay Distortion
ms
—
210
—
DDL
1100 to 2300 Hz
Notes: *1 0 dBm = 0.775 Vrms
*2 The resistor values are typical



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