CMX269AE2 MX-COM, Inc., CMX269AE2 Datasheet - Page 12

• Manufacturer Part Number: CMX269AE2
• Description: 1200/2400/4800bps MSK modem
• Manufacturer: MX-COM, Inc.

1200/2400/4800bps MSK Modem
6.1.3 Operating Characteristics
For the following conditions unless otherwise specified.
V
Xtal/Clock Frequency = 4.032MHz, Bit Rate = 1200 baud, Rx Input Level = 300mV
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
DD
1999 MX-COM, Inc.
= 2.7V @ T
Static Values
Dynamic Values
I
I
Logic ‘1‘ Level
Logic ‘0’ Level
Digital Output Impedance
Analog and Digital Input Impedance
TX Output Impedance
Receiver
Carrier Detect
DD
DD
RX Enabled, TX Disabled -
RX and TX Enabled
RX and TX Disabled
RX Enabled, TX Disabled
RX and TX Enabled
RX and TX Disabled
Signal Input Dynamic Range
Bit Error Rate at SNR = 12dB
Bit Error Rate at SNR = 20dB
Receiver Synchronization at SNR = 12dB
Sensitivity
Probability of CD being high after bit 16:
SNR = 50dB
Probability of bit 16 being correct
With SNR = 12dB
With 230mVRMS Noise and No Signal
1200bps
2400bps
4800bps
1200/2400/4800bps
AMB
= 25 C and V
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
DD
= 3.0V to 5.5V at T
(V
(V
(V
DD
DD
DD
= 5.0V)
= 3.0V)
= 5.0V)
12
All trademarks and service marks are held by their respective companies.
AMB
Notes
1, 7, 8
3, 4
4, 5
4, 5
= -40 C to 85 C
2
2
2
2
2
2
1
1
7
3
9
9
Min.
70%
100
100
CMX469A PRELIMINARY INFORMATION
Typ.
<1.0
99.5
99.5
650
300
230
3.6
4.5
1.5
2.0
4.0
0.6
2.5
1.5
1.5
5
RMS
Max.
1000
30%
,
150
1.0
Doc. # 20480191.002
mV
mV
Units
V
V
10
10
10
10
mA
mA
mA
mA
µA
µA
k
k
k
%
%
%
DD
DD
RMS
RMS
-4
-3
-3
-8