Filters

Bandpass Filters
Bandpass Filters
Industry-leading filters with in-band insertion loss as low as 0.11 dB, available in multiple topologies (lumped, cavity, SAW, suspended substrate, ceramic, printed, glass) for high-Q, low-loss performance.
Lowpass Filters
Lowpass Filters
Surface-mount and connectorized models with insertion loss as low as 0.13 dB. Choose from 2,000+ high-Q lowpass designs across multiple topologies (lumped, cavity, SAW, suspended substrate, ceramic, printed, glass).
Highpass Filters
Highpass Filters
Highpass filters with in-band insertion loss as low as 0.15 dB, delivering top-tier performance. High-rejection, high-Q designs across multiple architectures (lumped, cavity, SAW, suspended substrate, ceramic, printed, glass).
Notch Filters
Notch Filters
Low-loss band-reject (notch) filters deliver in-band rejection up to 80 dB. High-Q, high-rejection designs available across multiple architectures (lumped, cavity, SAW, suspended substrate, ceramic, printed, glass).
Diplexers, Triplexers, Multiplexers
Diplexers, Triplexers, Multiplexers
Low-insertion-loss diplexers/triplexers (as low as 1 dB) deliver spectral fidelity for defense and modern wireless, helping receivers detect low-power targets and separate signals in heavy interference.
3D Glass SMT Filter
3D Glass SMT Filter
Revolutionary ultra-miniature glass filters offer full customization and low insertion loss at an affordable price, in bandpass/lowpass/highpass configs, with industry-leading rejection up to 65 dB in an ultra-compact package.
SAW Filters
SAW Filters
High-power, low-loss SAW filters deliver insertion loss as low as 1.5 dB, handle up to 36 dBm CW, and offer exceptional group delay plus industry-leading rejection up to 60 dB in an ultra-compact package.
Ceramic Filters
Ceramic Filters
Low-loss ceramic filters deliver insertion loss as low as 1.3 dB and come in bandpass, highpass, diplexer, triplexer, and multiplexer configurations, with industry-leading rejection up to 65 dB in an ultra-compact package.
Switch Filter Banks
Switch Filter Banks
Compact switch filter banks deliver fast switching in a small housing: as low as 0.1 µs switching, up to 80 dB isolation, and crossover drift as low as ±0.105 MHz/°C, with integrated drivers and heights as low as 0.30”.
Filtered GPS Low Noise Amplifier
Filtered GPS Low Noise Amplifier
Configurable amplified GPS filters offer noise figure as low as 1.6 dB, gain up to 45 dB, and support L1/L2/L5. Ceramic filtering selects desired signals while a low-noise gain stage preserves receiver sensitivity.

Custom RF Filters

Designed and built to your specifications

Spectrum Control’s low-loss (0.1 dB) bandpass filter designs surpass other RF filter companies, with every filter tested to your exact specifications. These industry-leading solutions are also available as lowpass, highpass, and notch filters using lumped element, cavity, ceramic, SAW, printed, and new glass filter topologies.

 

Specify your custom RF filter using our convenient input form.

Low insertion loss filters (0.1 dB) are essential for many of today’s defense platforms and modern wireless environments that require high spectral fidelity. Low insertion loss filters (0.1 dB) help receivers detect and process low-power targets, as well as discern targets of interest in interference-heavy environments. Spectrum Control offers 0.1 dB loss bandpass filters to help identify weak communication transmissions and recognize valuable intelligence signals in a crowded spectrum.

Spectrum Control's database of low-loss bandpass filter designs (0.1 dB) helps eliminate the need for additional gain when Size, Weight, and Power (SWaP) initiatives are in place. Low-loss filters from Spectrum Control also help suppress harmonics at the receiver front end when complex pulse or chirp signals are cascaded in the receive-side chain. This is especially critical where a flat amplitude response helps prevent distortion and unwanted spurious modulation.

Spectrum Control’s line of low-loss bandpass filter designs (0.1 dB) delivers insertion loss as low as 0.1 dB while optimizing pole-placement strategies to achieve high rejection in a compact design. These low-loss bandpass filters (0.1 dB) also help maintain receiver sensitivity in crowded wireless spectra. High insertion loss can lead to excessive heat, requiring additional cooling strategies or heavier metal packaging to prevent thermal runaway.

Low-loss bandpass filters (0.1 dB) from Spectrum Control improve signal-to-noise ratio (SNR) performance by providing a lower-loss path for weak signals, maintaining spectral purity without harmful bit-error-rate (BER) degradation. Spectrum Control also offers a selection of Rapid Filter options, providing bandpass filters in both Chebyshev and Elliptic functions to meet critical demand requirements.