Filters

FILTERS PRODUCTS & SERVICES

Low Loss Digitally Tuned Bandpass Filters

Low Loss Digitally Tuned Bandpass Filters

MtronPTI expands their RF & microwave filter line with the introduction of digitally tuned bandpass filters.  Software defined radios (SDR) and cognitive radios require flexible RF front ends, similar to frequency hopping front ends of military communication radios. MtronPTI’s low loss TF010x digitally tuned bandpass filters are designed for exactly that.

Custom Cavity Filters: CF Series

Custom Cavity Filters: CF Series

PDI’s custom cavity filter offerings cover the 400MHz to 20GHz range and are available in bandpass, cross-coupled bandpass, and bandreject configurations. They’re ideal for use in ground-based radar, radio receivers, radio transmitters, and base station systems.

Surface Mount Lowpass Filter Series

Surface Mount Lowpass Filter Series

DLI’s series of surface mount lowpass filters are compact and fully shielded. They feature frequency stability over temperature, excellent repeatability, 50Ω characteristic impedance, and a -55oC to +125oC operating temperature.

Varactor Tuned Navigation Band Preselector: TF0112

MtronPTI’s TF0112 varactor tuned aviation navigation band preselector improves safety in cross country and landing operations by attenuating interfering signals that might cause a cockpit radio to lose lock on a desired VOR or localizer/glide-slope signal.

Pre-Filtered GPS LNA

Pre-Filtered GPS LNA

The 312 Series of pre-filtered GPS LNAs (low noise amplifiers) features a low noise figure, a wide input voltage range, compliance with many MIL-STD-810 and MIL-STD-461 requirements, and more. The LNAs come in a small, lightweight hermetically sealed package.

7-Way Switched Filter: SA0068-7

7-Way Switched Filter: SA0068-7

MtronPTI’s SA0068 7-way Switched Filter Bank provides transmitter harmonic management with at least 30 dB of 2nd harmonic rejection in seven selectable frequency bands from 30 MHz to 512 MHz. With a low insertion loss of less than 1.3 dB, 30 Watts of power handling and a small, 65 mA current drain max, the SA0068 is ideal for applications such as multiband tactical radios and portable radio power amplifiers.

Waveguide Filters

Waveguide Filters

API Technologies designs and manufactures waveguide filters to 40 GHz with peak power level handling of up to 50 kW. The inherent high Q of Waveguide allows for the design of filters with the lowest possible loss.

FM Band Notch Filter: 9NLC1-98/33/1500-L

FM Band Notch Filter: 9NLC1-98/33/1500-L

This FM band notch filter by ComNav is small in size, inexpensive, and available in volume. It covers the DC to 1500 MHz frequency range and is usable to 1600 MHz. It’s ideal for applications involving broadcast colocations and in jamming reduction. Download the datasheet for more information.

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