參數(shù)資料
型號: EL5157IWZ-T7A
廠商: INTERSIL CORP
元件分類: 音頻/視頻放大
英文描述: <1mV Voltage Offset, 600MHz Amplifiers
中文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO5
封裝: ROHS COMPLIANT, PLASTIC, MO-178AA, SOT-23, 5 PIN
文件頁數(shù): 12/17頁
文件大?。?/td> 430K
代理商: EL5157IWZ-T7A
12
FN7386.3
June 15, 2006
Application Circuits
Sullen Key Low Pass Filter
A common and easy to implement filter taking advantage of
the wide bandwidth, low offset and low power demands of
the EL5152. A derivation of the transfer function is provided
for convenience (See Figure 35).
Sullen Key High Pass Filter
Again this useful filter benefits from the characteristics of the
EL5152. The transfer function is very similar to the low pass
so only the results are presented (See Figure 36).
FIGURE 35. SULLEN KEY LOW PASS FILTER
K
3
1
Q
RC
1
wo
K
Holp
C
R
C
R
C
R
C
2
R
C
R
C
R
)
K
1
1
Q
C
R
1
C
R
1
wo
K
Holp
)
C
R
C
R
C
R
)
K
1
((
jw
C
R
1
C
R
w
1
1
)
jw
(
H
1
s
2
C
R
C
R
C
R
)
K
1
((
s
C
R
1
C
R
K
)
H
0
s
C
1
1
Vi
Vo
R
V
2
K
Vo
1
R
Vi
V
V
1
s
C
R
1
2
K
Vo
R
R
1
K
1
1
2
2
1
2
1
2
2
1
1
2
2
1
2
2
2
1
1
1
2
2
1
2
21
2
1
1
1
2
2
2
1
1
1
1
1
2
A
B
=
=
=
+
+
=
=
=
+
+
+
=
+
+
+
+
=
=
+
+
+
=
+
=
Equations simplify if we let all
components be equal R=C
+
-
V+
V-
V
2
5V
L
1
10μH
L
1
10μH
R
6
1k
C
5
1nF
C
4
1nF
V
OUT
R
7
1k
V
3
5V
R
1
1k
R
2
1k
C
2
1nF
V
1
C
1
1nF
C
5
1nF
R
5
1k
C
3
1nF
R
A
1k
R
B
1k
TUNED POWER
BYPASS NETWORK
TUNED POWER
BYPASS NETWORK
EL5156, EL5157, EL5256, EL5257
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