参数资料
型号: MCP6XXXDM-FLTR
厂商: Microchip Technology
文件页数: 23/46页
文件大小: 0K
描述: KIT DEMO BOARD ACTIVE FILTER
标准包装: 1
主要目的: 滤波器,有源 - 带通,高通,低通
嵌入式: 是,MCU,8 位
已用 IC / 零件: MCP6271
主要属性: 可级联 PCB,单源
次要属性: Bessel,Butterworth 和 Chebyshev,带编号 1 ~ 8
已供物品: 5 板,配件包,CD
产品目录页面: 681 (CN2011-ZH PDF)
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ACTIVE FILTER DEMO BOARD KIT
USER ’S GUIDE
Chapter 3. Building the Filter Supplied in the Kit
3.1
3.2
INTRODUCTION
The accessory bag that comes with this kit makes it quick and easy to evaluate the filter
described below; it was designed in FilterLab V2.0. Items discussed in this chapter
include:
? The Filter Design
? Putting the Filter Together
? Testing the Filter
THE FILTER DESIGN
See Figure 3-1 for the circuit diagram supported by the accessory bag. This filter is
described as follows:
?
?
?
?
?
?
Bessel Low-pass
n = 5, (filter order)
f C = 100 Hz, (cut-off frequency)
Gain = 1 V/V
Sallen-Key sections
Single Supply
SK-LP1
C21
SK-LP2
C31
SK-LP2
V IN
R11
10.7k
C11
0.10μ
U 1
MCP6271
R21
3.16k
0.39μ
R22
6.81k
C22
0.10μ
U 2
MCP6271
R31
5.62k
0.15μ
R32
12.7k
C32
0.10μ
U 3
MCP6271
V OUT
FIGURE 3-1:
5th Order, Bessel, Low-pass Filter Supported by the Active Filter
Demo Board Kit.
This filter was built, and its frequency response was measured; the result is shown in
Figure 3-2. MCP601 op amps were used, instead of MCP6271 op amps, because they
are slower. Notice how close the measured and simulated data are; this happened
because the MCP601 op amp is much faster than the filter, and because 1% resistors
and 5% capacitors were used.
? 2006 Microchip Technology Inc.
DS51614A-page 19
相关PDF资料
PDF描述
MCP6XXXEV-AMP1 BOARD AMPLIFIER EVAL 1 MCP6XXX
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MCP6XXXEV-AMP1 功能描述:放大器 IC 开发工具 MCP6XXX Amp Eval Brd 1 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MCP6XXXEV-AMP2 功能描述:放大器 IC 开发工具 MCP6XXX Amp Eval Brd 2 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MCP6XXXEV-AMP3 功能描述:放大器 IC 开发工具 MCP6XXX Amp Eval Brd 3 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MCP6XXXEV-AMP4 功能描述:放大器 IC 开发工具 MCP6XXX Amp Eval Brd 4 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MCP73113 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection