MSK Modem
19
MX809
Notes
Min.
Typ.
Max.
Units
Transmitter
Output Level
0
dB
dB
%
Output Level Variation
Output Distortion
Third Harmonic Distortion
Logic “1” Frequency
Logic “0” Frequency
Isochronous Distortion
1200Hz – 1800Hz
1800Hz – 1200Hz
Uncommitted Amplifier
Bandwidth
-1.0
1.0
5.0
3.0
3.0
2.0
%
7
7
1200
1800
Hz
Hz
25.0
20.0
40.0
40.0
ꢃs
ꢃs
200
kHz
dB
Gain
50.0
Input Impedance
Output Impedance
1.0
10.0
kꢂ
Table 11: Operating Characteristics
Operating Characteristics Notes:
1. Device control pins: Serial Clock, Command Data, Wake , and CS.
2. Reply Data output.
3. IRQ output
4. For baud rate specified (1200 baud)
5. Signal-to-Noise Ratio = 50dB
6. The response time is measured using 10101010…101 signal input pattern at 230mV
noise.
(-2.5dB) with
RMS
7. Dependant upon Xtal tolerance.
8. IRQ and Reply Data outputs for V < V
< V
.
SS
OUT
DD
ꢀ1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480036.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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CMLMICRO [ CML MICROCIRCUITS ]
