5, 10, 15, 24, 50 kHz Low Pass Filters

50 kHz Low Pass Filter

This high performance low-pass filter has a corner frequency (-3 dB point) of 50 kHz. The 50 kHz LPF is inserted between a 50 ohm source and load. Any signal above 50 kHz is heavily attenuated. Signals below 50 kHz pass with virtually no attenuation. There are several destinguished characteristics to the Kiwa 50 kHz Low Pass Filter that provide a level of performance apart from other designs. These are:

The design is completely passive to eliminate any possibility of noise or distortion.
The design uses high Q torroidal inductors to provide an extremely sharp filter response.
High Ultimate Rejection
Capable of passing DC
The filter is housed in an rf tight/shielded cast aluminum enclosure.

Specifications

Input/Output Impedance: 50 ohms

Passband Insertion Loss 0.5 dB

Corner Frequency (-3 dB point): 50 kHz

Ultimate Rejection:>75 dB from 100 kHz and above

Dimensions: 5.5 in(14 cm) x 2.5 in(6cm) x 2.25 in(6.7cm)

Connectors: SO-239 (standard), N, BNC, SMA

Frequency Response

Frequency        Attenuation

10 kHz reference +/-0 dB

50 kHz             -3 dB

55 kHz             -6 dB

60 kHz            -13 dB

65 kHz            -21 dB

70 kHz            -27 dB

75 kHz            -32 dB

80 kHz            -34 dB

85 kHz            -44 dB

90 kHz            -59 dB

100 kHz           -85 dB

>100 kHz          -86 dB

Price $140.00

BNC add +$5, N add +$10, Gold SMA add +$20

Shipping and Handling within North America $15.00

24 kHz Low Pass Filter

The 24 kHz Low Pass Filter is similar to the 50 kHz LPF but with a corner frequency (-3 dB point) of 24 kHz.

Specifications

Input/Output Impedance: 50 ohms

Corner Frequency (-3 dB point): 23.5 kHz

-60 dB Attenuation point: 37 kHz

Passband Insertion Loss: DC to 17 kHz 1.5 dB

Ultimate Rejection: >70 dB from 45 kHz and above

Dimensions: 5.5 in(14 cm) x 2.5 in(6 cm) x 2.25 in(6.7cm)

Connectors: SO-239 (standard), N, BNC, SMA

Frequency Response

Frequency         Attenuation

1.0kHz Reference +/-0 dB

15 kHz           +/-0 dB

16 kHz            -.1 dB

17 kHz            -.2 dB

18 kHz            -.3 dB

19 kHz            -.6 dB

20 kHz            -.9 dB

21 kHz           -1.3 dB

22 kHz           -1.8 dB

23.5 kHz           -3 dB

25.5 kHz           -6 dB

30 kHz            -18 dB

35 kHz            -46 dB

40 kHz            -75 dB

50 kHz            -77 dB

60 kHz            -83 dB

70 kHz            -82 dB

80 kHz            -82 dB

90 kHz            -81 dB

100 kHz           -80 dB

Price $150.00

BNC add +$5, N add +$10, Gold SMA add +$20

Shipping and Handling within North America $15.00

15 kHz Low Pass Filter

photo pending

The 15 kHz Low Pass Filter is similar to the 50 kHz LPF but with a corner frequency (-3 dB point) of 15 kHz.

Specifications

Input/Output Impedance: 50 ohms

Corner Frequency (-3 dB point): 14.9 kHz

-60 dB Attenuation point: 30 kHz

Passband Insertion Loss: DC to 12 kHz 0.5 dB

Ultimate Rejection: >70 dB from 40 kHz and above

Dimensions: 5.75 in(14.5cm) x 4.25 in(10.5cm) x 3.0 in(7.5cm)

Connectors: SO-239 (standard), N, BNC, SMA

Frequency Response

Frequency          Attenuation

500 Hz Reference +/-0 dB

14.9 kHz           -3 dB

20 kHz            -22 dB

30 kHz            -59 dB

40 kHz            -90 dB

50 kHz            -84 dB

60 kHz            -84 dB

70 kHz            -83 dB

80 kHz            -83 dB

90 kHz            -83 dB

100 kHz           -83 dB

Price $180.00

BNC add + $5, N add + $10, Gold SMA add + $20

Shipping and Handling within North America $20.00

10 kHz Low Pass Filter

The 10 kHz Low Pass Filter is similar to the 50 kHz LPF but with a corner frequency (-3 dB point) of 10 kHz.

Specifications

Input/Output Impedance: 50 ohms

Corner Frequency (-3 dB point): 10.2 kHz

-60 dB Attenuation point: 18 kHz

Passband Insertion Loss: DC to 7 kHz 0.5 dB

Ultimate Rejection: >70 dB from 19 kHz and above

Dimensions: 5.75 in(14.5 cm) x 4.25 in(10.5 cm) x 3.0 in(7.5cm)

Connectors: SO-239 (standard), N, BNC, SMA

Frequency Response

Frequency         Attenuation

500 Hz Reference +/-0 dB

1 kHz            +/-0 dB

2 kHz            -0.1 dB

3 kHz            -0.5 dB

4 kHz            -0.8 dB

5 kHz           -0.95 dB

6 kHz            -0.8 dB

7 kHz            -1.0 dB

8 kHz            -1.3 dB

9 kHz            -1.8 dB

9.5 kHz          -2.2 dB

10.1 kHz           -3 dB

10.9 kHz           -6 dB

13 kHz            -22 dB

16 kHz            -40 dB

20 kHz            -80 dB

40 kHz            -81 dB

80 kHz            -85 dB

Price $180.00

BNC add +$5, N add +$10, Gold SMA add +$20

Shipping and Handling within North America $20.00

5 kHz Low Pass Filter

The 5 kHz Low Pass Filter is similar to the 50 kHz LPF but with a corner frequency (-3 dB point) of 5 kHz.

Specifications

Input/Output Impedance: 50 ohms

Corner Frequency (-3 dB point): 5.0 kHz +/- 350 Hz

Passband Insertion Loss: DC to 5 kHz 0.5 dB

Ultimate Rejection: >70 dB from 10 khz and above

Dimensions: 5.75 in(14.5 cm) x 4.25 in(10.5 cm) x 3.0 in(7.5 cm)

Connectors: SO-239 (standard), N, BNC, SMA

Frequency Response

Frequency           Attenuation

100 Hz Reference    +/- 0 dB

1 kHz               -0.2 dB

2 kHz               -0.8 dB

3 kHz               -0.9 dB

4 kHz               -1.5 dB

4.5 kHz             -2.0 dB

5.1 kHz             -3.0 dB

6 kHz               -8.0 dB

7 kHz                -23 dB

8 kHz                -35 dB

9 kHz                -52 dB

10 kHz             -75.5 dB

20 kHz               -73 dB

30 kHz               -74 dB

Price $220.00

BNC add +$5, N add +$10, Gold SMA add +$20

Shipping and handling within North America $24.00

Custom Low Pass Filters

Kiwa can design and build custom Low Pass Filters to meet your requirements. Pricing is $150 to $250 per filter depending on the frequency and core materials.

Please feel free to contact Kiwa for your design requirements.

Kiwa Electronics

503 7th. Ave. N.E.
Kasson, MN 55944 USA
507.634.6134
kiwa@wolfenet.com

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