Bree Engineering

Manufacturer of custom RF Filters and Multiplexers from 5 MHz to 20 GHz
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Bree Engineering Custom RF Microwave Filters
Bandreject Cellular/PCS Test Station Cleanup Filter 800673 This series of bandreject filters far exceeds the applications original needs. The passbands of interest are the cellular at 700 to 894 MHz and the PCS at 1850 to 2000 MHz
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Clean-up Lowpass Filter 800412 A Lowpass filter in a coaxial package for interface outside the system package.
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Bree Engineering Custom RF Microwave Filters
Asymmetrical Filter Bank 800097 - 800099 This bank of three filters utilizes a non-symmetrical skirt selectivity response to minimize size and costs while maximizing specialized custom requirements.
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Miniature Combline Cavity Filter 800004 This cavity filter combines high performance with a small foot print. This seven section filter has a center frequency of 3840 MHz its insertion loss is less than 0.9 dBa from 3650 to 4030 MHz. VSWR is less than 1.5: 1.0 and passband flatness is less than 0.80 dBc. Rejection is 30 dBc at 3500 MHz, 20 dBc at 3450 MHz and ultimate rejection of 80 dBc. Size is 2.70 x 0.75 x 0.65 and input/outputs are SMA female connectors.
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Miniature Combline Cavity Filter 800004 This cavity filter combines high performance with a small foot print.
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Bree Engineering Custom RF Microwave Filters
High Power Low-pass Filter 800506 Bree Engineering's 13 element elliptic low-pass filter. Its construction allows for handling 120 watts CW power.
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Surface Mount LC Filter with Leads 800686 A high density surface mount filter featuring gull wing lead pins for input, output and grounding. Center frequency is 10.27 MHz. and the passband is .58 MHz. Passband loss is less than 1.0 dBa maximum and VSWR is 1.5:1.0 maximum. Rejection for this 4 pole chebyshev filter is 10 dBc minimum at 8.23/12.31 MHz and 30 dBc minimum at 5.23/15.31 MHz. Size is 1.25 x 0.45 x 0.30.
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Bree Engineering Custom RF Microwave Filters
PCB Mounted LC Filter 800798 Bree Engineering model number 800798 is a 4 section high performance lumped element filter at 700 MHz. Its 25 MHz bandwidth has less than 3.0dBa of insertion loss (1.5 dBa is typical). The VSWR is less than 1.5 to 1.0 passband flatness is less than 1.0 dBc from 700 to 720 MHz. Rejection is greater than 40 dBc at 620 MHz and 790 MHz. Size is 0.75 x 0.44 x 0.31 inches with .020 RF pins.
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Bree Engineering Custom RF Microwave Filters
Highpass / Lowpass Diplexer 800509 Bree Engineering model Number 800509 is in a family of elliptic function diplexers optimized for extended 50 ohm match. The lowpass of 0 to 140 Mhz and the highpass passband of 160 to 900 MHz both have less than 1.5dBa of insertion loss. The VSWR is less than 1.5 to 1.0 from 0 to 900 MHz at the common junction port. Rejection is greater than 40 dBa at 50 MHz from the crossover frequency. Size is 1.5 x 0.5 x 0.3.
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Low Profile Surface Mount LC Filter 800819 Bree Engineering's 5 section high performance lumped element filter designed into a low profile SMT package.
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Bree Engineering Custom RF Microwave Filters
Data Link Filter Bree Engineering 800019 A series of miniature filters includes a surface mount data link transmitter cleanup filter
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Bree Engineering Custom RF Microwave Filters
High Power Low-pass Filter Bree Engineering 800506 Bree Engineering model number 800506 is a 13 element elliptic low-pass filter. Its construction allows for handling 120 watts CW power. The cutoff frequency of 980 MHz has less than 0.5 dba of insertion loss. Pass-band VSWR is less than 1.5 to 1.0. Rejection is greater than 28dBa at 1150 MHz. Size is 3.0 x 1.0 x 1.0 inches with Type N connectors.
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Bree Engineering Custom RF Microwave Filters
Combline Filter 800524 Bree Engineering model number 800524 is a 7 section high Q filter at 1.7 GHz. Its 18 MHz bandwidth has less than 1.5 dBa of insertion loss and a VSWR of less than 1.5 to 1.0. The pass-band flatness is less than 0.4 dBc. Selectivity is greater than 60dBc at 40 MHz away from center frequency on both band edges. Size is 5.85 x 1.50 x 1.0 inches.
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Broadband Filter Bank Bree Engineering 800300 - 800302 This bank of three filters utilizes a broadband filter synthesis technique to realize highly selective filtering for the 1.7 GHz IF band. Typical passband range from 25 to 40 percent, bandpass flatness is less than 1.0 dBc and 2.0 nSc. Passband VSWR is better than 1.5:1.0. Skirt selectivity is greater than 35 dBc at 1.06 times the passband edge. Size for each of the three filters is 1.75 x .50 x .25 Inputs/outputs are .017 diameter pins.
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Bree Engineering Custom RF Microwave Filters
High Pass Filter Bree Engineering 800339 A Series of high pass filters includes a broadband image cleanup filter. This configuration has a low loss of 2.0 dba of loss less than 1.0db of flatness from 5000 to 11500 Mhz. Rejection for this filter is greater than 50 db from DC to 4200 Mhz. Inputs and outputs are SMA-F and the overall size of the unit is 1.25 x 0.5 x 0.5 inches. Other sizes and configurations are available.