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Linear Phase Broad Bandpass

Custom Built LC Filters - 1 KHz to 25 MHz
page LC_F/LPBBP
 printable .pdf file

Q Range = 1.43 to 3.33
Gaussian-Type 3dB Bandwidth = 30% to 70% of the Center Frequency

  • Maximum Phase Distortion: over 3dB passband ± 3 degrees

  • Typical Delay Variation: over 3dB passband 5%

  • Approximate Passband Delay (sec.) = Delay (D)/ 2 x π x F0 (Hz)

  • Frequency Range: 1 KHz to 25 MHz

  • Impedance Range: 50 Ohms to 5K Ohms

  • Exceptionally fine phase linearity combined with good impulse response

  • 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: .25dB

  • Maximum Insertion Loss: 2dB

Order any Center Frequency from 1 KHz to 25 MHz. Interpolation between tabulated frequencies and bandwidths is  allowable.

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
K2 -  2.50 x 1.125 x .750 P1 - 6.00 x 2.000 x 1.250
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
O1 - 5.00 x 2.000 x 1.250 Z -  4.50 x 2.500 x 1.375

Click here for mechanical specs

 
Custom Linear Phase Broad LC Bandpass Filters - Series LPBBP
Center Frequency (Fo) % Band Width Size lor Each Impedance Range
100-250 Ohms 251 -1K Ohms 1K-5K Ohms
Epoxy Metal Epoxy Metal Epoxy Metal
1 KHz 30 — — 2 P1 Z —
40 — — Z O1 Z —
50 — — Y1 N1 Z —
60 — — Y1 N1 Z P1
70 — — Y1 N1 Z P1
5KHz 30 — — Z O1 Z P1
40 — — Y1 N1 Z P1
50 — — Y1 N1 Z 01
60 — — Y N Y1 N1
70 — — Y N Y1 N1
10KHz 30 — — Y1 N1 Z P1
40 — — Y1 N1 Z O1
50 — — Y N Y1 N1
60 — — Y N Y1 N1
70 — — X M Y N
20KHz 30 Y1 N1 Y1 N1 Z O1
40 Y N Y1 N1 Y N
50 X1 M1 X1 M1 Y N
60 X M X M Y N
70 X M X M Y N
30KHz 30 Y1 N1 Y1 M1 Y1 N1
40 Y N X1 M1 Y N
50 X1 M1 X1 M1 Y N
60 X M X M Y N
70 X M X M Y N
40KHz 30 Y1 N1 Y1 M1 Y1 —
40 Y N X1 M1 Y N
50 X1 M1 X1 M1 Y N
60 X M X M Y N
70 W K3 X M Y N
50KHz 30 X1 M1 Y1 N1 — —
40 X M Y N Z P1
50 X M Y N Z O1
60 W K3 X M Y1 N1
70 W K2 X M Y N
60KHz 30 X M Y N — —
40 X K3 Y N — —
50 W K3 X M Z O1
60 W K2 X M Y1 N1
70 W K2 X M Y N
70KHz 30 X M Y N — —
40 X K3 Y N — —
50 W K3 X M — —
60 W K2 X M Y1 N1
70 W K2 X M Y N
80KHz 30 X M Y N — —
40 X K3 Y N — —
50 W K2 X M — —
60 W K2 X M — —
70 W K2 X M Y N
90KHz 30 X M Y N — —
40 X K3 Y N — —
50 W K2 X M — —
60 W K2 X M — —
70 W K2 X M — —
100 KHz 30 X M Y N — —
40 W K2 X M — —
50 W K2 X M — —
60 W K2 X M — —
70 W K2 X M — —
Center Frequency (Fo) % Band Width Size for Each Impedance Range
50-100 Ohms 101-500 Ohms 501-1000 Ohms
Epoxy Metal Epoxy Metal Epoxy Metal

200 KHz

 		30 — K3 X M — M
40 X K3 X M — M
50 X K3 — M — N
60 W K2 — M — N
70 W K2 — M — N
300 KHz 30 — K3 — M — N
40 — K3 — M — M
50 — K2 — M — M
60 — K2 — M — N
70 — K2 — M — N
400 KHz 30 — M — N — —
40 — K3 — M — —
50 — K3 — M — —
60 — K2 — M — N1
70 — K2 — M — N
500 KHz 30 — M — N — —
40 — M — N — —
50 — K3 — M — N
60 — K3 — M — N
70 — K2 — M — —
Center Frequency (Fo) % Band Width Size for Each Impedance Range
50-100 Ohms 101-500 Ohms 501-1000 Ohms
Epoxy Metal Epoxy Metal Epoxy Metal
600 KHz 30 — M — N — —
40 — M — N — N1
50 — K3 — M — N
60 — K3 — M — —
70 — K2 — M — —
700 KHz 30 — M — N — —
40 — M — N — —
50 — K3 — M — N
60 — K3 — M — —
70 — K2 — M — —
800 KHz 30 — M — — — —
40 — M — M — —
50 — K3 — M — —
60 — K3 — M — —
70 — K2 — N — —
900 KHz 30 — M — — — —
40 — M — — — —
50 — K3 — M — —
60 — K3 — M — —
70 — K2 — N — —
1 MHz 30 — M — — — —
40 — M — — — —
50 — M — N — —
60 — K3 — N — —
70 — K3 — M — —
2 MHz 30 — M — — — —
40 — M — — — —
50 — M — — — —
60 — M — N — —
70 — K3 — M — —
Center Frequency (Fo) % Band Width Size for Each Impedance Range
50 Ohms 51-75 Ohms 76-100 Ohms
Epoxy Metal Epoxy Metal Epoxy Metal
3 MHz 30 — K3 — M — N
40 — K3 — M — N
50 — K3 — M — N
60 — K2 — M — N
70 — K2 — M — N
4 MHz 30 — K3 — M — N
40 — K3 — M — M
50 — K3 — M — M
60 — K2 — M — M
70 — K2 — M — M
5 MHz 30 — M — N — —
40 — K3 — N — N
50 — K3 — M — N
60 — K2 — M — N
70 — K2 — M — M
6 MHz 30 — M — N — —
40 — M — N — N
50 — K3 — M — M
60 — K3 — M — M
70 — K2 — M — M
7 MHz 30 — M — N — —
40 — M — N — N
50 — K3 — M — M
60 — K3 — M — M
70 — K2 — M — M
8 MHz 30 — M — N — —
40 — M — N — N
50 — K3 — M — M
60 — K3 — M — M
70 — K2 — M — M
9 MHz 30 — M — N — —
40 — M — N — N
50 — K3 — M — M
60 — K3 — M — M
70 — K2 — M — M
10MHz 30 — M — M — —
40 — M — M — M
50 — K3 — M — M
60 — K3 — M — N
70 — K2 — M — N
15MHz 30 — N — — — —
40 — M — N — —
50 — M — N — —
60 — K3 — N — —
70 — K2 — N — N
20MHz 50 — N — — — —
60 — M — — — —
70 — M — — — —
25MHz 60 — N — — — —
70 — N — — — —

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