msm7512b Oki Semiconductor, msm7512b Datasheet - Page 6
msm7512b
Manufacturer Part Number
msm7512b
Description
1200 Bps Half Duplex Fsk Modem ? Itu-t V.2
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7512B.pdf
(12 pages)
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AC Characteristics
Modulator/analog output (AO) characteristics
FSK Transmit
Signal Frequency
FSK Transmit Signal
Answer Tone amplitude
Analog External
Input Signal Gain
FSK Transmit
Signal Amplitude
Ratio
Out-of-band
Energy
Output Offset Voltage
Output Load Resistance
*
Parameter
Semiconductor
0 dBm = 0.775 Vrms
Symbol
V
V
V
V
V
V
V
R
f
f
f
f
DM
AOD
BM
AO1
AO2
SPS
DS
BS
EA1
EA2
OFF
AO
1200 bps Transmit Mode
75 bps Transmit Mode
P : In-band Signal
V
V
AO
AO
Energy
V
(MARK) – V
– V
O
Condition
EAI
To V
—
DD
AO
/2
(SPACE)
More than12 kHz
8 kHz to 12 kHz
4 kHz to 8 kHz
(V
AOG = "0"
AOG = "1"
AOG = "0"
AOG = "1"
XD = "1"
XD = "0"
XD = "1"
XD = "0"
DD
= +2.7 V to +5.5 V, Top = –40°C to +85°C)
Min.
1296
2096
–150
386
446
–12
600
–6
–2
–8
–2
—
—
—
Typ.
1300
2100
390
450
–10
–4
–6
—
—
—
—
—
0
0
MSM7512B
Max. Unit
P–20
P–40
P–60
1304
2104
+150
394
454
–2
–8
–4
—
2
2
dBm
dBm
6/12
mV
Hz
Hz
Hz
Hz
dB
dB
dB
dB
dB
dB
W