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Sharp Cut-Off Highpass

Custom Built LC Filters - 500 Hz to 150 MHz
scohp

Allen Avionics manufacturers Highpass 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 150 MHz

  • Impedance Range: 50 Ohms to 20K Ohms

  • Construction: Epoxy encapsulated or sealed in metal cans

  • Delivery: Prototypes can often be delivered in less than 7 days.
    Call or e-mail factory for special sizes

  • Maximum Ripple: 1dB

  • Maximum Insertion Loss: 2dB

Order any Cut-Off Frequency from 500 Hz to 150 MHz. Interpolation between tabulated data allowable.

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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 x 1.125 x .750 X 3.00 x 1.500 x 1.00
M 3.00 x 1.625 x 1.125 X1  3.00 x 2.00 x  1.00
M1 3.00 x 2.000 x 1.250 Y 4.00 x 1.500 x 1.125
N 4.00 x 1.500 x 1.250 Y1 4.00 x 2.000 x 1.250
N1 4.00 x 2.000 x 1.250 Z 4.50 x 2.500 x 1.375
O 5.00 x 1.500 x 1.250

Click here for mechanical specs

 

Custom Sharp Cutoff LC Highpass Filters - Series SCOHP

1dB Maximum Ripple 2dB Maximum Insertion Loss
Cut-Off (Fc)
Frequency
3dB Max.		 Impedance
Range
(Ohms)		 Shape Factor
(See Graph)		 Size
Epoxy Metal
500Hz 1K-3K F Z —
G Z —
1KHz 500-10K F Z —
G Z —
H Z —
2.5KHz 500-20K F Z —
G Z —
H Z —
5KHz 150-20K F Y1 N1
G Z —
H Z —
7.5KHz 150-20K F Y1 N1
G Y1 N1
H Z —
H1 Z —
10KHz 500-10K F Y1 N1
G Y1 N1
H Z —
H1 Z. —
H2 Z —
25KHz 150-10K F Y1 N1
G Y1 N1
H Z —
H1 Z —
H2 Z —
50KHz 100-10K F Y1 N1
G Y1 N1
H Z —
H1 Z —
H2 Z —
75KHz 150-10K F Y N
G Y1 N1
H Y1 N1
H1 Z —
H2 Z —
100KHz 50-10K F Y N
G Y1 N1
H Y1 N1
H1 Z O
H2 Z —
200KHz 50-5K F X M
G X1 M1
H Y N
m Y1 N1
H2 Z O
300KHz 50-5K F X M
G X1 M1
H Y N
H1 Y1 N1
H2 Y1 N1
Cut-Oft (Fc) Frequency 3dB Max Impedance Range
(Ohms)		 Shape Factor (See Graph) Size
Epoxy Metal
4MHz 50-150 F X M
G — N
H — N1
H1 — O
H2 — O
5MHz 50-100 F X M
G — N
H — N
H1 — O
H2 — O
6MHz 50-100 F — M
G — M
H — N
H1 — N
H2 — O
7MHz 50-100 F — K3
G — M
H — N
H1 — N
H2 — O
8MHz 50-100 F — K3
G — M
H — N
H1 — N
H2 — O
9MHz 50-100 F — K3
G — M
H — N
H1 — N
H2 — O
10MHz 50-100 F — K3
G — M
H — N
H1 — N
H2 — O
15MHz 50-75 F — K3
G — M
H — N
H1 — N
H2 — 0
20MHz 50 F — K3
G — M
H — N
H1 — N
H2 — 0
25MHz 50 F — M
G — M
H — N
H1 — N
H2 — O
 
Cut-Off (Fc)
Frequency
3dB Max.		 Impedance
Range
(Ohms)		 Shape Factor
(See Graph)		 Size
Epoxy Metal
400KHz 50-5K F X M
G X1 i M1
H Y N
H1 Y1 N1
H2 Y1 N1
500KHz 50-2.5K F X M
G X1 M1
H Y N
H1 Y1 N1
H2 Y1 N1
750KHz 50-1 K F X M
G X1 M1
H Y N
H1 Y1 N1
H2 Y1 N1
1MHz 50-250 F X M
G Y N
H Y1 N1
H1 — O
H2 — O
2MHz 50-200 F X M
G Y N
H — N1
m — O
H2 — O
3MHz 50-100 F X M
G Y N
H — N1
H1 — O
H2 — O
 
Cut-Oft (Fc) Frequency 3dB Max Impedance Range
(Ohms)		 Shape Factor (See Graph) Size
Epoxy Metal
30MHz 50 F — M
G — M
H — N
H1 — N
H2 — O
35MHz 50 F — M
G — N
H — N
H1 — 0
H2 — O
40MHz 50 F — M
G — N
H — N
H1 — 0
H2 — O
45MHz 50 F — M
G — N
H — N
H1 — O
H2 — O
*1 50MHz 50 F — M
G — N
H — N
H1 — O
*1 100MHz 50 F — M
G — N
H — O
*1 150MHz 50 F — M
G — N
H — O
*1 Connectors only
 *2 Attenuation depends on frequency and termination type

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Allen Avionics, Inc.
255 East Second Street, Mineola, NY  11501
Phone: (516) 248-8080
Fax: (516) 747-6724
E-Mail: Info@AllenAvionics.com

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