参数资料
型号: LT1568IGN#TRPBF
厂商: Linear Technology
文件页数: 5/16页
文件大小: 0K
描述: IC BLOCK BUILD FLTR LONOS 16SSOP
标准包装: 2,500
滤波器类型: 带通
频率 - 截止或中心: 200kHz
滤波器数: 2
滤波器阶数: 2nd
电源电压: 2.7 V ~ 11 V,±2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
LT1568
13
1568f
Table 2. Resistor Values in Ohms, Dual 2nd Order Lowpass
Chebyshev,
±0.25dB Passband Ripple, Gain = 1, R11 = R12,
R21 = R22, R31 = R32
fCUTOFF (MHz)
R11, R21
R31
1
976
825
2
475
412
3
316
274
4
226
205
5
178
165
6
143
137
7
121
118
FREQUENCY (MHz)
0.1
–50
GAIN
(dB) –40
–30
–20
–10
110
20
1568 TA09
–60
–70
–80
–90
0
10
Amplitude Response 2nd Order Lowpass Chebyshev,
±0.25dB Passband Ripple, fCUTOFF = 1MHz
Transient Response 2nd Order Lowpass Chebyshev,
±0.25dB Passband Ripple, fCUTOFF = 1MHz
INPUT
500mV/DIV
OUTPUT
200mV/DIV
1
s/DIV
1568 TA10
DUAL 2nd ORDER LOWPASS FILTER DESIG S
U
Table 3. Resistor Values in Ohms, Dual 2nd Order Lowpass
Bessel, Gain = 1
fCUTOFF (MHz)
R11, R21
R31
1
866
1180
2
422
590
3
280
383
4
210
287
5
165
232
6
137
191
7
115
162
Amplitude Response
2nd Order Lowpass Bessel, fCUTOFF = 1MHz
FREQUENCY (MHz)
0.1
–50
GAIN
(dB) –40
–30
–20
–10
110
20
1568 TA11
–60
–70
–80
–90
0
10
Transient Response
2nd Order Lowpass Bessel, fCUTOFF = 1MHz
INPUT
500mV/DIV
OUTPUT
200mV/DIV
1
s/DIV
1568 TA12
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