Figure 17. Modied Filter Conguration Using a Capacitor Between Summing Nodes (f
參數(shù)資料
型號: LTC6601CUF-2#TRPBF
廠商: Linear Technology
文件頁數(shù): 30/40頁
文件大?。?/td> 0K
描述: IC FILTER/ADC DVR LP LD 20-QFN
標(biāo)準(zhǔn)包裝: 2,500
頻率 - 截止或中心: 27MHz
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(yīng)商設(shè)備封裝: 20-QFN 裸露焊盤(4x4)
包裝: 帶卷 (TR)
LTC6601-2
36
66012f
APPLICATIONS INFORMATION
Figure 17. Modied Filter Conguration Using a Capacitor Between Summing Nodes (f–3dB = 24.6MHz)
GAIN = 1
fO = 20.7MHz
Q = 0.88
f–1dB = 20.5MHz
f–3dB = 24.6MHz
VIN(DIFF)
ZIN(DIFF) = 200Ω
20
19
18
17
16
1
2
4
5
6
7
8
9
10
LTC6601-2
VOUT(DIFF)
49.9Ω
15
+
11
66012 F17a
FREQUENCY (Hz)
GAIN
(dB)
66012 F17c
5
0
–10
–5
–15
–20
–25
–30
–35
100k
100M
10M
1M
FREQUENCY (Hz)
PHASE
(DEG)
GROUP
DELA
Y
(ns)
66012 F17d
30
0
–30
–60
–90
–120
50
40
30
20
10
0
100k
5.2M
20.8M
26M
15.6M
10.4M
PHASE
GROUP DELAY
Gain Magnitude vs Frequency (Gain = 1)
Passband Phase and Group Delay
FREQUENCY (Hz)
GAIN
(dB)
66012 F17b
1.0
0.5
0.0
–1.0
–0.5
–1.5
–2.0
–2.5
–3.0
100k
40M
10M
1M
Passband Gain vs Frequency
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