Filters

Bandpass Filters
Bandpass Filters
Industry-leading filters offer in-band insertion loss as low as 0.11 dB and come in multiple topologies for high-Q, low-loss performance.
Lowpass Filters
Lowpass Filters
Surface-mount and connectorized lowpass filters offer insertion loss as low as 0.13 dB, with 2,000+ high-Q designs across multiple topologies.
Highpass Filters
Highpass Filters
Highpass filters offer in-band insertion loss as low as 0.15 dB, with high-rejection, high-Q performance across multiple architectures.
Notch Filters
Notch Filters
Low-loss band-reject filters deliver up to 80 dB rejection with high-Q, high-rejection performance across multiple architectures.
Diplexers, Triplexers, Multiplexers
Diplexers, Triplexers, Multiplexers
Low-loss diplexers/triplexers with insertion loss as low as 1 dB preserve spectral fidelity for defense and wireless signal separation in heavy interference.
3D Glass SMT Filter
3D Glass SMT Filter
Ultra-miniature glass filters offer affordable customization, low insertion loss, and up to 65 dB rejection in compact bandpass, lowpass, or highpass designs.
SAW Filters
SAW Filters
High-power, low-loss SAW filters offer insertion loss as low as 1.5 dB, handle up to 36 dBm CW, and deliver excellent delay and up to 60 dB rejection.
Ceramic Filters
Ceramic Filters
Low-loss ceramic filters offer insertion loss as low as 1.3 dB in bandpass and multiplexed configurations, with up to 65 dB rejection in a compact package.
Switch Filter Banks
Switch Filter Banks
Compact switch filter banks deliver fast switching in a small housing, with 0.1 µs witching, up to 80 dB isolation, and integrated drivers.
Filtered GPS Low Noise Amplifier
Filtered GPS Low Noise Amplifier
Configurable amplified GPS filters deliver 1.6 dB noise figure, up to 45 dB gain, and L1/L2/L5 support with ceramic filtering and low-noise 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.