![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled2.png)
1000 MHz Bandpass Filter
Selective Elliptic Type
Narrow 5-6% bandwidth / Lumped Element
1 dB Bandwidth 50 MHz min
50 dB Bandwidth 144 MHz typical
SMA(F) to SMA(M) Connectors
Surface Mount Available
Selective Elliptic Type
Narrow 5-6% bandwidth / Lumped Element
1 dB Bandwidth 50 MHz min
50 dB Bandwidth 144 MHz typical
SMA(F) to SMA(M) Connectors
Surface Mount Available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/10/3323-1.gif)
1087.5 MHz Bandpass Filter
Selective Elliptic Type
3 dB Bandwidth 241 MHz min
30 dB Bandwidth 350 MHz maxl
Miniature SMD 1.3 x 0.25 x 0.25 inches
Selective Elliptic Type
3 dB Bandwidth 241 MHz min
30 dB Bandwidth 350 MHz maxl
Miniature SMD 1.3 x 0.25 x 0.25 inches
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/7d568bdb79a1e2fa98c8e38223c29e9e_f33.png)
200 MHz Bandpass Filter
Selective Elliptic Type
3 dB Bandwidth 34 MHz typical
50 dB Bandwidth 50 MHz typical
SMA(F) to SMA(M) Connectors
Selective Elliptic Type
3 dB Bandwidth 34 MHz typical
50 dB Bandwidth 50 MHz typical
SMA(F) to SMA(M) Connectors
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/7e2ff26047082641d3c153d73f26a998_f106.png)
460 MHz Bandpass Filter
3 dB Bandwidth 28 MHz typical
Highly Selective Elliptic Type Response
80 dB Bandwidth 60 MHz max
SMA(F) Connectors
3 dB Bandwidth 28 MHz typical
Highly Selective Elliptic Type Response
80 dB Bandwidth 60 MHz max
SMA(F) Connectors
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/b5e8d938b5e39f60bc2d4f1c85ebeb4b_f105.png)
1208 MHz Elliptic Lowpass Filter
Stopband from 1292 MHz to >6 GHz
Selective Elliptic type response
Miniature 0.2" x 0.3" x 0.18" SMD Package
Stopband from 1292 MHz to >6 GHz
Selective Elliptic type response
Miniature 0.2" x 0.3" x 0.18" SMD Package
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/b5e8d938b5e39f60bc2d4f1c85ebeb4b_f105.png)
968 MHz Elliptic Highpass Filter
Passband extends to >3 GHz
Selective Elliptic type response
Miniature 0.2" x 0.3" x 0.18" SMD Package
Passband extends to >3 GHz
Selective Elliptic type response
Miniature 0.2" x 0.3" x 0.18" SMD Package
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/1778e86f70c6cace830d9abb7b839293_f107.png)
10 KHz Active Filter
4 Pole Butterworth
Frequency Devices D70L4B-10KHZ Replacement
Small .65" x .51" x .30" DIP
4 Pole Butterworth
Frequency Devices D70L4B-10KHZ Replacement
Small .65" x .51" x .30" DIP
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/22ebb305dce59a5605457b17d0b4b3fa_f104.png)
160 MHz Bandpass designed for Positive Train Control (PTC) applications. The filters are encapsulated/ruggedized for enhanced shock and vibration resistance. Thousands are currently installed and operating successfully in the field with major rail companies.
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/22ebb305dce59a5605457b17d0b4b3fa_f104.png)
220 MHz Bandpass designed for Positive Train Control (PTC) applications. The filters are encapsulated/ruggedized for enhanced shock and vibration resistance. Thousands are currently installed and operating successfully in the field with major rail companies.
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/22ebb305dce59a5605457b17d0b4b3fa_f104.png)
455 MHz Bandpass designed for Positive Train Control (PTC) applications. The filters are encapsulated/ruggedized for enhanced shock and vibration resistance. Thousands are currently installed and operating successfully in the field with major rail companies.
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/22ebb305dce59a5605457b17d0b4b3fa_f104.png)
916 MHz Bandpass designed for Positive Train Control (PTC) applications. The filters are encapsulated/ruggedized for enhanced shock and vibration resistance. Thousands are currently installed and operating successfully in the field with major rail companies.
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/f8111f4b32528ca9f9e629825d10119f_f99.png)
1425 MHz Bandpass
1 dB Bandwidth: 200 MHz min (275 MHz typical)
60 dB Bandwidth: 685 MHz typical
High Stopband Attenuation to 9 GHz
1 dB Bandwidth: 200 MHz min (275 MHz typical)
60 dB Bandwidth: 685 MHz typical
High Stopband Attenuation to 9 GHz
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/3f9df974fc7a47eb34e9cf9d3710571c_f98.jpg)
428 MHz Pseudo Elliptic Narrow Bandpass Filter
40 MHz min 3 dB Bandwidth
70 MHz max 40 dB Bandwidth
DC path from Input/Output to power/bias external circuits
TNC(F) to BNC(M) Connectors
40 MHz min 3 dB Bandwidth
70 MHz max 40 dB Bandwidth
DC path from Input/Output to power/bias external circuits
TNC(F) to BNC(M) Connectors
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/cbf4adbc2c0e4cdf73111b719c00f909_f95.png)
1550 MHz Bandpass Filter
The filter has a minimum 1.5 dB bandwidth of 500 MHz
>55 dBc rejection below 900 MHz & >50 dBc above 3000 MHz typical
Stopband rejection is maintained to 9 GHz
Very small 0.88" x 0.38" x 0.235" surface mount package
The filter has a minimum 1.5 dB bandwidth of 500 MHz
>55 dBc rejection below 900 MHz & >50 dBc above 3000 MHz typical
Stopband rejection is maintained to 9 GHz
Very small 0.88" x 0.38" x 0.235" surface mount package
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/cbf4adbc2c0e4cdf73111b719c00f909_f95.png)
1100 MHz Highly Selective Elliptic Bandpass Filter
The filter has a minimum 2 dB bandwidth of 400 MHz
>55 dBc rejection below 780 MHz & >55 dBc above 1410 MHz typical
Stopband rejection is maintained to 5 GHz Very small 1.2" x 0.38" x 0.235" surface mount package
The filter has a minimum 2 dB bandwidth of 400 MHz
>55 dBc rejection below 780 MHz & >55 dBc above 1410 MHz typical
Stopband rejection is maintained to 5 GHz Very small 1.2" x 0.38" x 0.235" surface mount package
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/cbf4adbc2c0e4cdf73111b719c00f909_f95.png)
2750 MHz Lowpass Filter
1 dB max at 2750 MHz
40 dB min 3900 MHz to 9000 MHz
Small 0.38 x 0.88 x 0.235 inch SMD package
Other frequencies available
1 dB max at 2750 MHz
40 dB min 3900 MHz to 9000 MHz
Small 0.38 x 0.88 x 0.235 inch SMD package
Other frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/9f42f05e5cf9df1c89ef1f3fe8403b8e_f96.png)
3500 MHz Elliptic Type Bandpass
Typical Insertion Loss 1.8 dB
Minimum 3 dB Bandwidth 200 MHz
Typical 40 dB Bandwidth 615 MHz
SMA(F) Connectors
Typical Insertion Loss 1.8 dB
Minimum 3 dB Bandwidth 200 MHz
Typical 40 dB Bandwidth 615 MHz
SMA(F) Connectors
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/cbf4adbc2c0e4cdf73111b719c00f909_f95.png)
1325 MHz Elliptic Type Bandpass
Typical Insertion Loss 0.7 dB
Minimum 2 dB Bandwidth 750 MHz
Stopband below 800 MHz & 1900 MHz to 3400 MHz
0.88 x 0.38 x 0.235 inch surface mount
Typical Insertion Loss 0.7 dB
Minimum 2 dB Bandwidth 750 MHz
Stopband below 800 MHz & 1900 MHz to 3400 MHz
0.88 x 0.38 x 0.235 inch surface mount
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled.png)
1500 MHz Bandpass Filter
Typical insertion loss 1.6 dB
Typical 3 dB bandwidth 117 MHz
Typical 60 dB bandwidth 575 MHz - Rejection maintained to 9 GHz
1.2 x 0.63 x 0.6 inch SMA package
Typical insertion loss 1.6 dB
Typical 3 dB bandwidth 117 MHz
Typical 60 dB bandwidth 575 MHz - Rejection maintained to 9 GHz
1.2 x 0.63 x 0.6 inch SMA package
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled1.png)
40 MHz Bi-directional Absorptive Notch
Constant Impedance even at the notch frequency
Typical 3 dB bandwidth of 16.5 MHz
50 dB min rejection 39 MHz to 41 MHz
0.5 x 1.0 x 0.3 inch surface mount
Constant Impedance even at the notch frequency
Typical 3 dB bandwidth of 16.5 MHz
50 dB min rejection 39 MHz to 41 MHz
0.5 x 1.0 x 0.3 inch surface mount
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled2.png)
124 MHz Elliptic Highpass Filter
Passband 124 MHz to 1500 MHz
70 dB min rejection dc to 110 MHz
Other frequencies and surface mount available
Passband 124 MHz to 1500 MHz
70 dB min rejection dc to 110 MHz
Other frequencies and surface mount available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled3png.png)
200 MHz Bandpass Filter
40 MHz minimum 3 dB Bandwidth
82 MHz maximum 50 dB Bandwidth
Small surface mount package 0.52 x 0.84 x 0.44
Other center frequencies and bandwidth available
40 MHz minimum 3 dB Bandwidth
82 MHz maximum 50 dB Bandwidth
Small surface mount package 0.52 x 0.84 x 0.44
Other center frequencies and bandwidth available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled4.png)
133.5 MHz Wideband Bandpass
Minimum 1 dB bandwidth 233 MHz
Passband Frequencies 17 MHz to 250 MHz
1.75 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
Minimum 1 dB bandwidth 233 MHz
Passband Frequencies 17 MHz to 250 MHz
1.75 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled5.png)
1250 MHz Lowpass, 40 dB min at 1600 MHz
0.5 x 1.0 x 0.3 inch surface mount
Other passband frequencies available
0.5 x 1.0 x 0.3 inch surface mount
Other passband frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled6.png)
1630 MHz Pseudo Elliptic Bandpass, 400 MHz Bandwidth
>25 dB at 1230 MHz and 2300 MHz
>40 dB at 1030 MHz and 2230 MHz
Other frequencies and surface mount available
>25 dB at 1230 MHz and 2300 MHz
>40 dB at 1030 MHz and 2230 MHz
Other frequencies and surface mount available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled7.png)
875 MHz Pseudo Elliptic Bandpass
Minimum 3 dB bandwidth 42 MHz
Maximum 50 dB bandwidth 89 MHz
2 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
Minimum 3 dB bandwidth 42 MHz
Maximum 50 dB bandwidth 89 MHz
2 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled7.png)
300 MHz Group Delay Equalized Bandpass
Minimum 1 dB bandwidth 48 MHz
Maximum 50 dB bandwidth 155 MHz
2 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
Minimum 1 dB bandwidth 48 MHz
Maximum 50 dB bandwidth 155 MHz
2 x 0.5 x 0.3 inch surface mount - SMA also available
Other frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled7.png)
50 MHz Group Delay & Amplitude Equalized Lowpass Filter
Passband Ripple
& Group Delay Variation typically < 5 nsec
2 x 0.5 x 0.3 inch surface mount
Other cutoff frequencies available
Passband Ripple
& Group Delay Variation typically < 5 nsec
2 x 0.5 x 0.3 inch surface mount
Other cutoff frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled7.png)
440 MHz Pseudo Elliptic Bandpass
Typical 3 dB bandwidth 70 MHz
Typical 60 dB bandwidth 120 MHz
2.25 x 0.5 x 0.3 inch surface mount
Other frequencies available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled8.png)
550 MHz Pseudo Elliptic Bandpass, 55 MHz Bandwidth
>60 dB at 500 MHz and 610 MHz
Other frequencies and surface mount available
>60 dB at 500 MHz and 610 MHz
Other frequencies and surface mount available
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled9.png)
70 MHz Group Delay Equalized Elliptic Bandpass
0.35 dB Bandwidth=40 MHz min
0.5 x 1 x 0.3 inch surface mount
0.35 dB Bandwidth=40 MHz min
0.5 x 1 x 0.3 inch surface mount
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled9.png)
350 MHz Elliptic Bandpass
0.75 dB Bandwidth=50 MHz min
>40 dB at 280 MHz & 420 MHz
>60 dB at 210 MHz & 490 MHz
0.5 x 1 x 0.3 inch surface mount
0.75 dB Bandwidth=50 MHz min
>40 dB at 280 MHz & 420 MHz
>60 dB at 210 MHz & 490 MHz
0.5 x 1 x 0.3 inch surface mount
![bandpass-filters](https://krfilters.com/wp-content/uploads/2020/07/untitled10.png)
44 MHz Lowpass, >60 dB at 60 MHz
0.5 x 1.0 x 0.3 inch surface mount
Other passband frequencies available
0.5 x 1.0 x 0.3 inch surface mount
Other passband frequencies available