W6811
- 24 -
10.3. ANALOG DISTORTION AND NOISE PARAMETERS
V
DDA
=5V ±10%; V
SSA
=0V; T
A
=-40°C to +85°C; all analog signals referred to V
AG
;
TRANSMIT (A/D) RECEIVE (D/A) PARAMETER SYM. CONDITION
MIN. TYP. MAX
.
MIN. TYP. MAX.
UNIT
Total Distortion vs. Level
Tone (1020 Hz, µ-Law,
C-Message Weighted)
D
LTµ
+3 dBm0
0 dBm0 to -30 dBm0
-40 dBm0
-45 dBm0
36
36
29
25
---
---
---
---
---
---
---
---
34
36
30
25
---
---
---
---
---
---
---
---
dBC
Total Distortion vs. Level
Tone (1020 Hz, A-Law,
Psophometric Weighted)
D
LTA
+3 dBm0
0 dBm0 to -30 dBm0
-40 dBm0
-45 dBm0
36
36
29
25
---
---
---
---
---
---
---
---
34
36
30
25
---
---
---
---
---
---
---
---
dBp
Spurious Out-Of-Band at
RO- (300 Hz to 3400 Hz
@ 0dBm0)
D
SPO
4600 Hz to 7600 Hz
7600 Hz to 8400 Hz
8400 Hz to 100000 Hz
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
-30
-40
-30
dB
Spurious In-Band (700
Hz to 1100 Hz @
0dBm0)
D
SPI
300 to 3000 Hz ---
--- -47
---
--- -47
dB
Intermodulation
Distortion (300 Hz to
3400 Hz –4 to –21 dBm0
D
IM
Two tones
--- --- -41 --- --- -41 dB
Crosstalk (1020 Hz @
0dBm0)
D
XT
--- --- -75 --- --- -75 dBm0
Absolute Group Delay
τ
ABS
1200 Hz --- --- 360 --- --- 240
µsec
Group Delay Distortion
(relative to group delay
@ 1200 Hz)
τ
D
500 Hz
600 Hz
1000 Hz
2600 Hz
2800 Hz
---
---
---
---
---
---
---
---
---
---
750
380
130
130
750
---
---
---
---
---
---
---
---
---
---
750
370
120
120
750
µsec
Idle Channel Noise N
IDL
µ-Law; C-message
A-Law; Psophometric
---
---
---
---
5
-69
---
---
---
---
13
-79
dBrnc
dBm0p