SA575DTBG ON Semiconductor, SA575DTBG Datasheet - Page 7
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SA575DTBG
Manufacturer Part Number
SA575DTBG
Description
IC COMPANDOR 2CHAN GAIN 20-TSSOP
Manufacturer
ON Semiconductor
Type
Compandorr
Datasheet
1.SA575DTBR2.pdf
(16 pages)
Specifications of SA575DTBG
Applications
Cellular Radio, Mixers
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SA575DTBG
Manufacturer:
ON/安森美
Quantity:
20 000
Automatic Level Control
configuration is shown in Figure 4. It can be seen that it is
quite similar to the compressor schematic except that the
input to the rectifier cell is from the input path and not from
the feedback path. The input is AC coupled through C
and C
again, as in the previous cases, if the system input and
output signals are already AC coupled, then C
C
removing R
8
The
could be eliminated. Concerning the compressor,
13
and the output is AC coupled through C
typical
6
ALC IN
, R
7
Automatic
and C
C
C
4.7mF
V
10mF
12
13
REF
7
will cause motor-boating in
16
13
Level
8
10kW
3.8kW
Control
Figure 4. Typical ALC Configuration
C
12
15
9
D
, C
G
8
. Once
http://onsemi.com
circuit
13
2.2mF
and
12
12
SA575
10kW
30kW
S
R
7
6
absence of signals. C
summing amplifier at higher input levels. This circuit
provides an input dynamic range greater than 60 dB with
the output within "0.5 dB typical. The necessary design
expressions are given by Equation 5 and Equation 6,
respectively.
C7
C COMP
22pF
11
14
1mF
30kW
R
t
7
R
ALC gain =
= t
A
= 10 kW x C
COMP
10mF
C
3.8 kW x 100 mA
8
is necessary to stabilize the
RECT
4V
IN
= 10 kW x C
(avg)
9
ALC OUT
(eq. 5)
(eq. 6)