Figure 15. Modied Filter Conguration Using a Resistor Between Summing Nodes (f
參數(shù)資料
型號: LTC6601CUF-1#PBF
廠商: Linear Technology
文件頁數(shù): 28/40頁
文件大小: 0K
描述: IC DRVR FILTER/ADC LN 20-QFN
標準包裝: 91
頻率 - 截止或中心: 28Mhz
濾波器數(shù): 3
濾波器階數(shù): 2nd
電源電壓: 2.7 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤
供應商設備封裝: 20-QFN 裸露焊盤(4x4)
包裝: 管件
LTC6601-1
34
66011f
APPLICATIONS INFORMATION
Figure 15. Modied Filter Conguration Using a Resistor Between Summing Nodes (f–3dB = 7.5MHz)
20
19
18
17
16
1
2
4
5
6
7
8
9
10
LTC6601-1
GAIN = 1
fO = 7.971MHz
Q = 0.67
f–3dB = 7.5MHz
VOUT(DIFF)
VIN
ZIN(DIFF) = 800
VIN
ZIN(DIFF) = 225
15
+
11
20
19
18
17
16
1
2
4
5
6
7
8
9
10
LTC6601-1
GAIN = 3.56
fO = 7.971MHz
Q = 0.67
f–3dB = 7.5MHz
VOUT(DIFF)
15
+
11
20
19
18
17
16
1
2
4
5
6
7
8
9
10
LTC6601-1
GAIN = 4.55
fO = 7.971MHz
Q = 0.67
f–3dB = 7.5MHz
VOUT(DIFF)
66011 F15a
15
+
11
24.9Ω
12.4Ω
VIN
ZIN(DIFF) = 175.6
12.4Ω
FREQUENCY (Hz)
GAIN
(dB)
66011 F15b
10
0
–10
–20
–30
–40
–50
–60
100k
100M
10M
1M
FREQUENCY (Hz)
PHASE
(DEG)
GROUP
DELA
Y
(ns)
66011 F15c
30
0
–30
–60
–90
–120
50
40
30
20
10
0
100k
2M
8M
10M
6M
4M
PHASE
GROUP DELAY
Gain Magnitude vs Frequency (Gain = 1)
Passband Phase and Group Delay
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