CMX867D2 CML Microcircuits, CMX867D2 Datasheet - Page 39

• Manufacturer Part Number: CMX867D2
• Description: Low power V.22 modem
• Manufacturer: CML Microcircuits

Low Power V.22 Modem
Notes:
Transmit Output Level
2001 Consumer Microcircuits Limited
Modem and Single Tone modes
DTMF mode, Low Group tones
DTMF: level of High Group tones wrt Low Group
Tx output buffer gain control accuracy
8. Measured on the 2 or 4-wire line using the line interface circuits described in section
1.4.2 with the Tx line signal level set to -10dBm for DPSK, FSK or single tones, -6dBm
and -8dBm for DTMF tones. Excludes any distortion due to external components such as
the line coupling transformer.
Figure 13 Maximum Out of Band Tx Line Energy Limits (see note 8)
dBm
-10
-20
-30
-40
-50
-60
-70
0
10
Bell 202
100
39
1000
Notes
Hz
7
7
7
7
-0.25
+1.0
Min.
-4.0
-2.0
10000
Typ.
+2.0
-3.0
-1.0
-
100000
+0.25
Max.
+3.0
-2.0
0.0
CMX867
Units
dBm
dBm
D/867/2
dB
dB