|
Custom Built LC Filters -
50 Hz to
5000 MHz
Anti-Aliasing, Reconstruction and
Band Limiting |
| mcolp |
|
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:
50 Hz to 5000 MHz
-
Impedance Range:
50 Ohms to 50K Ohms
-
Construction:
Epoxy encapsulated or sealed in metal cans
-
Available Connectors
include BNC, SMA, Type N, 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: .25dB
-
Maximum Insertion Loss:
1dB
-
Custom Packages and Mounting
are available, FAX or E-Mail your requirements
Order any Cut-Off Frequency from 50 Hz to 5000 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 |
| J -
|
1.00 x |
.750
|
x .500 |
S -
|
1.250 x |
.875 |
x .625 |
| K - |
1.50 x |
1.000
|
x .750 |
U - |
2.00 x |
1.125
|
x .750 |
| K1 - |
2.00 x |
1.125 |
x .750 |
W - |
2.50 x |
1.125 |
x .750 |
| K2 - |
2.50 x |
1.125 |
x .750 |
X |
3.00 x |
1.500 |
x 1.00 |
| K3 - |
3.00 x |
1.125 |
x .750 |
X1 - |
3.00 x |
2.00 |
x 1.00 |
| M - |
3.00 x |
1.625 |
x 1.125 |
Y - |
4.00 x |
1.500 |
x 1.125 |
| M1 - |
3.00 x |
2.000 |
x 1.250 |
Y1 - |
4.00 x |
2.000 |
x 1.250 |
| N - |
4.00 x |
1.500 |
x 1.250 |
Z - |
4.50 x |
2.500 |
x 1.375 |
| N1 - |
4.00 x |
2.000 |
x 1.250 |
|
|
|
|
Click here for
mechanical specs |
 |
| Custom
Medium Cutoff LC Lowpass Filters - Series MCOLP |
|
Cut-Off (Fc) Frequency
3 dB Max.
|
Impedance
Range
(Ohms) |
Shape Factor
(see Graph) |
Size |
| Epoxy |
Metal |
*1
50 Hz |
1K |
A |
Y1 |
N1 |
|
B |
Z |
-- |
*1
100 Hz |
1K |
A |
Y1 |
N1 |
|
B |
Z |
-- |
|
C |
Z |
-- |
| 250
Hz |
500 - 15K |
A |
X1 |
M |
|
B |
Y |
N |
|
C |
Y1 |
N1 |
|
D |
Z |
-- |
|
E |
Z |
-- |
|
500 Hz |
500 - 3K |
A |
X |
M |
|
B |
X1 |
M1 |
|
C |
Y |
N |
|
D |
Y1 |
N1 |
|
E |
Z |
-- |
|
1 KHz |
200 - 10K |
A |
X |
M |
|
B |
X1 |
M1 |
|
C |
Y |
N |
|
D |
Y1 |
N1 |
|
E |
Z |
-- |
|
2.5 KHz |
200 - 20K |
A |
X |
M |
|
B |
X1 |
M1 |
|
C |
Y |
N |
|
D |
Y1 |
N1 |
|
E |
Z |
-- |
|
5 KHz |
100 - 20K |
A |
X |
M |
|
B |
X1 |
M1 |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
7.5 KHz |
75 - 10K |
A |
X |
M |
|
B |
X1 |
M1 |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
10 KHz |
50 - 10K |
A |
X |
M |
|
B |
X |
M |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
25 KHz |
50 - 10K |
A |
X |
M |
|
B |
X |
M |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
50 KHz |
50 - 10K |
A |
X |
M |
|
B |
X |
M |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
75 KHz |
50 - 10K |
A |
W |
K2 |
|
B |
X |
M |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y1 |
N1 |
|
100 KHz |
50 - 10K |
A |
W |
K2 |
|
B |
X |
M |
|
C |
X1 |
M1 |
|
D |
Y |
N |
|
E |
Y |
N |
|
250 KHz |
50 - 5K |
A |
U |
K |
|
B |
W |
K1 |
|
C |
W |
K1 |
|
D |
X |
M |
|
E |
X |
M |
|
500 KHz |
50 - 2.5K |
A |
S |
J |
|
B |
U |
K |
|
C |
W |
K1 |
|
D |
W |
K1 |
|
E |
X |
M |
|
750 KHz |
50 - 1K |
A |
S |
J |
|
B |
U |
K |
|
C |
U |
K1 |
|
D |
W |
K1 |
|
E |
X |
M |
|
1 MHz |
50 - 500 |
A |
S |
J |
|
B |
U |
K |
|
C |
U |
K1 |
|
D |
W |
K1 |
|
E |
X |
M |
|
2 MHz |
50 - 500 |
A |
S |
J |
| B |
U |
K |
| C |
U |
K1 |
| D |
W |
K1 |
| E |
X |
M |
|
3 MHz |
50 - 250 |
A |
S |
J |
| B |
U |
K |
| C |
U |
K |
| D |
W |
K1 |
| E |
X |
M |
|
*1
2dB maximum insertion loss
*2 1/2 dB maximum ripple |
|
|
Cut-Off (Fc) Frequency
3 dB Max.
|
Impedance
Range
(Ohms) |
Shape Factor
(see Graph) |
Size |
| Epoxy |
Metal |
|
4 MHz |
50 - 150 |
A |
S |
J |
| B |
U |
K |
| C |
U |
K |
| D |
W |
K1 |
| E |
X |
K2 |
|
5 MHz |
50 - 100 |
A |
S |
J |
| B |
S |
J |
| C |
U |
K |
| D |
-- |
K1 |
| E |
-- |
K2 |
|
7.5 MHz |
50 - 100 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K2 |
| E |
-- |
K3 |
|
10 MHz |
50 - 100 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K2 |
| E |
-- |
K3 |
|
15 MHz |
50 - 100 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K |
| D |
-- |
K1 |
| E |
-- |
K2 |
|
20 MHz |
50 - 75 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K |
| D |
-- |
K1 |
| E |
-- |
K2 |
|
30 MHz |
50 |
A |
-- |
K |
| B |
-- |
K1 |
| C |
-- |
K2 |
| D |
-- |
K3 |
| E |
-- |
M |
|
40 MHz |
50 |
A |
-- |
K |
| B |
-- |
K1 |
| C |
-- |
K2 |
| D |
-- |
K3 |
| E |
-- |
M |
|
50 MHz |
50 |
A |
-- |
K |
| B |
-- |
K1 |
| C |
-- |
K2 |
| D |
-- |
K3 |
| E |
-- |
M |
|
75 MHz |
50 |
A |
-- |
K1 |
| B |
-- |
K2 |
| C |
-- |
K3 |
| D |
-- |
M |
| E |
-- |
M |
|
100 MHz |
50 |
A |
-- |
K1 |
| B |
-- |
K2 |
| C |
-- |
K3 |
| D |
-- |
M |
| E |
-- |
M |
|
250 MHz |
50 |
A |
-- |
K |
| B |
-- |
K1 |
| C |
-- |
K2 |
| D |
-- |
K3 |
| E |
-- |
M |
|
500 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K2 |
| E |
-- |
K3 |
*2
1000 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K2 |
| E |
-- |
K3 |
*2
2000 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K2 |
| E |
-- |
K3 |
*2
3000 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K1 |
| E |
-- |
K2 |
*2
4000 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K1 |
| E |
-- |
K2 |
*2
5000 MHz |
50 |
A |
-- |
J |
| B |
-- |
K |
| C |
-- |
K1 |
| D |
-- |
K1 |
| E |
-- |
K2 |
|
|
