|
Custom Built LC Filters -
500 Hz to
3000 MHz
Anti-Aliasing, Reconstruction and Band Limiting |
| scolp |
|
Allen Avionics
manufacturers Lowpass Filters using many design types such as:
Butterworth, Chebyshev and Elliptic Functions. The filters tabulated
on this page are Chebyshev type. Other types can be designed when
their special properties are needed.
-
Frequency Range:
500 Hz to 3000 MHz
-
Impedance Range:
50 Ohms to 20K Ohms
-
Construction:
Epoxy encapsulated or sealed in metal cans
-
Available Connectors:
Include BNC, Type N,UHF, Printed Circuit and Surface Mounting
-
Delivery:
Prototypes can often be delivered in less than 7 days.
Call or e-mail factory for special sizes
-
Maximum Ripple: .5dB
-
Maximum Insertion Loss:
1dB
-
Custom Packages and
Mounting are available, FAX or E-Mail your requirements
Order any Cut-Off Frequency from 500 Hz to 3000 MHz.
Interpolation between tabulated data allowable.
printer friendly htm file
printable .pdf file |
|
Size (Inches) |
| Units
normally supplied in metal cans for printed circuit mounting (or
end terminals). SMA connectors same size. BNC connectors may
require larger cans. Epoxy cases available where listed in table. |
|
Metal Cans |
Encapsulated in Epoxy Case: |
| |
L |
W |
H |
|
L |
W |
H |
| K3 |
3.00 |
1.125 |
.750 |
W |
2.50 |
1.125 |
.750 |
| K4 |
4.00 |
1.125 |
.750 |
X |
3.00 |
1.500 |
1.00 |
| M |
3.00 |
1.625 |
1.125 |
X1 |
3.00 |
2.00 |
1.00 |
| M1 |
3.00 |
2.000 |
1.250 |
Y |
4.00 |
1.500 |
1.125 |
| N |
4.00 |
1.500 |
1.250 |
Y1 |
4.00 |
2.000 |
1.250 |
| N1 |
4.00 |
2.000 |
1.250 |
Z |
4.50 |
2.500 |
1.375 |
| O |
5.00 |
1.500 |
1.125 |
|
|
|
|
| O1 |
5.00 |
2.000 |
1.250 |
|
|
|
|
| P |
6.00 |
1.500 |
1.250 |
|
|
|
|
| P1 |
6.00 |
2.000 |
1.250 |
|
|
|
|
|
Metal Cans |
Encapsulated in Epoxy Case: |
| |
L |
W |
H |
|
L |
W |
H |
| K3 - |
3.00 x |
1.125 |
x .750 |
W - |
2.50 x |
1.125 |
x .750 |
| M - |
3.00 x |
1.625 |
x 1.125 |
X |
3.00 x |
1.500 |
x 1.00 |
| M1 - |
3.00 x |
2.000 |
x 1.250 |
X1 - |
3.00 x |
2.00 |
x 1.00 |
| N - |
4.00 x |
1.500 |
x 1.250 |
Y - |
4.00 x |
1.500 |
x 1.125 |
| N1 - |
4.00 x |
2.000 |
x 1.250 |
Y1 - |
4.00 x |
2.000 |
x 1.250 |
| O - |
5.00 x |
1.500 |
x 1.125 |
Z - |
4.50 x |
2.500 |
x 1.375 |
| O1 - |
5.00 x |
2.000 |
x 1.250 |
|
|
|
|
| P - |
6.00 x |
1.500 |
x 1.250 |
|
|
|
|
| P1 - |
6.00 x |
2.000 |
x 1.250 |
|
|
|
|
Click here for
mechanical specs |
 |
| Custom
Sharp Cutoff LC Lowpass Filters - Series SCOLP |
|
Cut-Off (Fc) Frequency
3 dB Max.
|
Impedance
Range
(Ohms) |
Shape Factor
(see Graph) |
Size |
| Epoxy |
Metal |
*1
500 Hz |
200 - 5K |
B |
Z |
-- |
| 1K Hz |
200 - 10K |
F |
Z |
-- |
| 2.5
KHz |
200 - 20K |
F |
Z |
-- |
|
G |
Z |
-- |
|
3 KHz |
200 - 20K |
F |
Y1 |
N1 |
|
G |
Z |
-- |
|
4 KHz |
150 - 20K |
F |
Y1 |
N1 |
|
G |
Z |
P1 |
| 5
KHz |
150 - 20K |
F |
Y1 |
N1 |
|
G |
Z |
O1 |
|
H |
Z |
P1 |
|
7.5 KHz |
150 - 20K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Z |
O1 |
|
H1 |
P |
Z1 |
|
10 KHz |
50 - 10K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Z |
O1 |
|
H1 |
Z |
P1 |
|
H2 |
Z |
-- |
|
20 KHz |
50 - 10K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Z |
O1 |
|
H1 |
Z |
P1 |
|
H2 |
Z |
-- |
|
30 KHz |
50 - 10K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Z |
O1 |
|
H1 |
Z |
P1 |
|
H2 |
Z |
P1 |
|
40 KHz |
50 - 10K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Y1 |
N1 |
|
H1 |
Z |
O1 |
|
H2 |
Z |
P1 |
|
50 KHz |
50 - 10K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Y1 |
N1 |
|
H1 |
Z |
O1 |
|
H2 |
Z |
P1 |
|
75 KHz |
50 - 7.5K |
F |
Y1 |
N1 |
|
G |
Y1 |
N1 |
|
H |
Y1 |
N1 |
|
H1 |
Z |
O1 |
|
H2 |
Z |
P1 |
|
100 KHz |
50 - 5K |
F |
Y |
N |
|
G |
Y1 |
N1 |
|
H |
Y1 |
N1 |
|
H1 |
Z |
O1 |
|
H2 |
Z |
P1 |
|
200 KHz |
50 - 5K |
F |
Y1 |
N |
|
G |
Y1 |
N1 |
|
H |
Y1 |
N1 |
|
H1 |
Z |
O1 |
|
H2 |
Z |
P1 |
|
300 KHz |
50 - 5K |
F |
X1 |
M1 |
|
G |
Y |
N |
|
H |
Y |
N |
|
H1 |
Y1 |
N1 |
|
H2 |
Z |
O1 |
|
400 KHz |
50 - 5K |
F |
X1 |
M1 |
|
G |
Y |
N |
|
H |
Y |
N |
|
H1 |
Y1 |
N1 |
|
H2 |
Z |
O1 |
|
500 KHz |
50 - 2.5K |
F |
X1 |
M1 |
|
G |
X1 |
M1 |
|
H |
Y |
N |
|
H1 |
Y1 |
N1 |
|
H2 |
Y1 |
N1 |
|
750 KHz |
50 - 1K |
F |
X |
M |
|
G |
X1 |
M1 |
|
H |
Y |
N |
|
H1 |
Y1 |
N1 |
|
H2 |
Y1 |
N1 |
|
1 MHz |
50 - 500 |
F |
X |
M |
|
G |
X1 |
M1 |
|
H |
Y |
N |
|
H1 |
Y |
N |
|
H2 |
Y1 |
N1 |
|
2 MHz |
50 - 500 |
F |
X |
M |
|
G |
X1 |
M1 |
|
H |
Y |
N |
|
H1 |
Y |
N |
|
H2 |
Y1 |
N1 |
|
3 MHz |
50 - 250 |
F |
X |
M |
|
G |
X1 |
M1 |
|
H |
Y |
N |
|
H1 |
Y |
N |
|
H2 |
Y1 |
N1 |
|
*1
2dB maximum insertion loss
*2 1dB maximum ripple
*3 Attenuation depends on termination
type and frequency |
|
|
Cut-Off (Fc)
Frequency
3 dB Max.
|
Impedance
Range
(Ohms) |
Shape Factor
(see Graph) |
Size |
|
Epoxy |
Metal |
|
4 MHz |
50 - 150 |
F |
X |
M |
|
G |
X |
M |
|
H |
Y |
N |
|
H1 |
Y1 |
N1 |
|
H2 |
-- |
N1 |
|
5 MHz |
50 - 100 |
F |
X |
M |
|
G |
X |
M |
|
H |
Y |
N |
|
H1 |
-- |
N1 |
|
H2 |
-- |
N1 |
|
7.5 MHz |
50 - 100 |
F |
-- |
K3 |
|
G |
-- |
M |
|
H |
-- |
N |
|
H1 |
-- |
N |
|
H2 |
-- |
O |
|
10 MHz |
50 - 100 |
F |
-- |
K3 |
|
G |
-- |
M |
|
H |
-- |
M |
|
H1 |
-- |
N |
|
H2 |
-- |
O |
|
15 MHz |
50 - 100 |
F |
-- |
K3 |
|
G |
-- |
M |
|
H |
-- |
N |
|
H1 |
-- |
N |
|
H2 |
-- |
O |
|
20 MHz |
50 - 75 |
F |
-- |
K3 |
|
G |
-- |
M |
|
H |
-- |
N |
|
H1 |
-- |
N |
|
H2 |
-- |
O |
|
30 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
O |
|
40 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
O |
|
50 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
75 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
100 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
O |
|
H1 |
-- |
P |
|
H2 |
-- |
P |
|
200 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
300 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
400 MHz |
50 |
F |
-- |
M |
|
G |
-- |
N |
|
H |
-- |
O |
|
H1 |
-- |
P |
|
500 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
750 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
P |
|
1000 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
H2 |
-- |
O |
|
1500 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
2000 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
H1 |
-- |
O |
|
2500 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
3000 MHz |
50 |
F |
-- |
K3 |
|
G |
-- |
K4 |
|
H |
-- |
N |
|
|
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