CMX867E2 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX867E2' PDF : 48 Pages View PDF
Low Power V.22 Modem
CMX867
Receive DPSK Modes
(V.22 and Bell 212A)
Carrier frequency (high band)
Carrier frequency (low band)
Baud rate
Bit rate
Receive V.21 FSK Mode
Acceptable baud rate
Mark (logical 1) frequency, high band
Space (logical 0) frequency, high band
Mark (logical 1) frequency, low band
Space (logical 0) frequency, low band
Receive Bell 103 FSK Mode
Acceptable baud rate
Mark (logical 1) frequency, high band
Space (logical 0) frequency, high band
Mark (logical 1) frequency, low band
Space (logical 0) frequency, low band
Receive V.23 FSK Mode
1200 baud
Acceptable baud rate
Mark (logical 1) frequency
Space (logical 0) frequency
75 baud
Acceptable baud rate
Mark (logical 1) frequency
Space (logical 0) frequency
Receive Bell 202 FSK Mode
1200 baud
Acceptable baud rate
Mark (logical 1) frequency
Space (logical 0) frequency
150 baud
Acceptable baud rate
Mark (logical 1) frequency
Space (logical 0) frequency
Rx Modem Signal
(FSK and DPSK Modes)
Signal level
Signal to Noise Ratio (noise flat 300-3400Hz)
Notes
9
9
Notes
Notes
Notes
Min.
2392
1192
-
-
Min.
297
1638
1838
968
1168
Min.
297
2213
2013
1258
1058
Min.
1188
1280
2080
74
382
442
Notes Min.
1188
1180
2180
Notes
10
148
377
477
Min.
-45
20
Typ.
2400
1200
600
1200/600
Typ.
300
1650
1850
980
1180
Typ.
300
2225
2025
1270
1070
Typ.
1200
1300
2100
75
390
450
Typ.
1200
1200
2200
150
387
487
Typ.
-
-
Max. Units
2408
1208
-
-
Max.
303
1662
1862
992
1192
Hz
Hz
Baud
bps
Units
Baud
Hz
Hz
Hz
Hz
Max.
303
2237
2037
1282
1082
Units
Baud
Hz
Hz
Hz
Hz
Max. Units
1212
1320
2120
Baud
Hz
Hz
76 Baud
398
Hz
458
Hz
Max. Units
1212
1220
2220
Baud
Hz
Hz
152 Baud
397
Hz
497
Hz
Max. Units
-9 dBm
-
dB
Notes:
9. These are the bit and baud rates of the line signal, the acceptable tolerance is ±0.01%.
10. Rx 2 or 4-wire line signal level assuming 1dB loss in line coupling transformer with Rx
Gain Control block set to 0dB and external components as section 1.4.2.
© 2004 Consumer Microcircuits Limited
42
D/867/5
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