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參數資料
| 型號： | UAF42 |
| 英文描述： | UNIVERSAL ACTIVE FILTER |
| 中文描述： | 通用有源濾波器 |
| 文件頁數： | 3/14頁 |
| 文件大小： | 569K |
| 代理商： | UAF42 |
3
FIGURE 6. Multiple-Stage Filter Made with Two or More
Subcircuits.
NOTES:
(1) Subcircuit will be a real-pole high-pass (HP), real-pole low-pass
(LP), or complex pole-pair (PP1 through PP6) subcircuit specified
on the UAF42 Filter Component Valuesand Filter Block Diagram
program outputs.
(2) If the subcircuit is a pole-pair section, HP Out, BP Out, LP Out, or
Aux Out will be specified on the UAF42 Filter Block Diagram
program output.
V
IN
V
O
Subcircuit N
In
Out
(2)
(1)
Subcircuit 1
In
Out
(2)
(1)
NOTES:
(1) Subcircuit will be a complex pole-pair (PP1 through PP6)
subcircuit specified on the UAF42 Filter Component Valuesand
Filter Block Diagramprogram outputs.
(2) HP Out, BP Out, LP Out, or Aux Out will be specified on the
UAF42 Filter Block Diagram program output.
V
IN
V
O
Subcircuit 1
In
Out
(2)
(1)
FIGURE 5. Simple Filter Made with Single Complex Pole-
Pair Subcircuit.
FIGURE 4B. n = 2 Band-Reject (Notch) Filter Using
UAF42 (approximates the response of a par-
allel-connected tuned L, C, R circuit).
FIGURE 4A. n = 2 Band-Pass Filter Using UAF42 (ap-
proximates the response of a series-connected
tuned L, C, R circuit).
The simplest filter circuit consists of a single pole-pair
subcircuit as shown in Figure 5. More complex filters
consist of two or more cascaded subcircuits as shown in
Figure 6. Even-order filters are implemented entirely with
UAF42 pole-pair sections and normally require no external
capacitors. Odd-order filters additionally require one real
pole section which can be implemented with the fourth
uncommitted op amp in the UAF42, an external resistor, and
an external capacitor. The program can be used to design
filters up to tenth order.
The program guides you through the filter design and gen-
erates component values and a block diagram describing the
filter circuit. The
Filter Block Diagram
program output
shows the subcircuits needed to implement the filter design
labeled by type and connected in the recommended order.
The
Filter Component Values
program output shows the
values of all external components needed to implement the
filter.
C
L
V
IN
V
O
R
C
L
V
IN
V
O
R
SUMMARY OF FILTER TYPES
Butterworth
Advantages:
Maximally flat magnitude
response in the pass-band.
Good all-around performance.
Pulse response better than
Chebyshev.
Rate of attenuation better than
Bessel.
Some overshoot and ringing in
step response.
Disadvantages:
Chebyshev
Advantages:
Better rate of attenuation
beyond the pass-band than
Butterworth.
Ripple in pass-band.
Considerably more ringing in
step response than Butterworth.
Disadvantages:
Inverse Chebyshev
Advantages:
Flat magnitude response in
pass-band with steep rate of
attenuation in transition-band.
Ripple in stop-band.
Some overshoot and ringing in
step response.
Disadvantages:
Bessel
Advantages:
Best step response—very little
overshoot or ringing.
Slower initial rate of attenua-
tion beyond the pass-band than
Butterworth.
Disadvantages:
相關PDF資料 |
PDF描述 |
|---|---|
| UAF42AP | UNIVERSAL ACTIVE FILTER |
| UAF42AU | UNIVERSAL ACTIVE FILTER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UAF42 AP | 制造商:Texas Instruments 功能描述:IC FILTER UNIVERSAL ACTIVE |
| UAF42 AU | 制造商:Texas Instruments 功能描述:IC UNIVERSAL ACTIVE FILTER SMD 制造商:Texas Instruments 功能描述:IC, UNIVERSAL ACTIVE FILTER, SMD |
| UAF42AP | 功能描述:有源濾波器 Universal Active Filter RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| UAF42AP | 制造商:Texas Instruments 功能描述:IC FILTER UNIVERSAL ACTIVE DIP14 |
| UAF42AP | 制造商:Texas Instruments 功能描述:IC FILTER UNIVERSAL ACTIVE DIP14 制造商:Texas Instruments 功能描述:IC, FILTER UNIVERSAL ACTIVE, DIP14 |
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