ML33111
LANSDALE Semiconductor, Inc.
Figure 4. Transfer Characteristics
Figure 3. Transfer Characteristics
1000
20
0
100
10
Compressor
Compressor
– 20
– 40
Expander
Expander
0 dB = 100 mVrms
1.0
1.0
10
100
1000
– 40
– 20
0
20
V
, INPUT VOLTAGE (mVrms)
V
, INPUT VOLTAGE (dB)
in
in
Figure 5. Frequency Response (Compressor)
Figure 6. Frequency Response (Expander)
25
20
15
V
= 316 mVrms
in
V
= 1.0 mVrms
in
5.0
0
V
= 100 mVrms
= 31.6 mVrms
in
in
15
V
= 10 mVrms
in
10
– 5.0
V
5.0
0
V
V
= 100 mVrms
in
–15
– 25
– 35
V
= 10 mVrms
in
– 5.0
–10
= 1.0 Vrms
1000
in
–15
100
10k
100k
100
1000
10k
f, FREQUENCY (Hz)
100k
f, FREQUENCY (Hz)
Figure 7. Attack and Decay Times (Compressor)
Figure 8. Attack and Decay Times (Expander)
V1
V2
Output
(Pin 15)
Output
(Pin 2)
V1
V2
100 mV
200 mV
90 mV
360 mV
Input
(Pin 3)
Input
(Pin 14)
Attack Time = Time to 1.5 x V1 from input increase.
Decay Time = Time to 0.75 x V2 from input decrease.
Test per EIA-553.
Attack Time = Time to 0.57 x V1 from input increase.
Decay Time = Time to 1.5 x V2 from input decrease.
Test per EIA-553.
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