Spectrum Microwave

Detectors

API produces premier temperature compensated detectors.  Analog/Level Detectors convert a range of RF input powers to a corresponding DC output voltage level. Threshold Detectors output a TTL compatible signal when the RF level exceeds the preset threshold.

Attenuators

API’s Attenuator products are offered in both Digital and Voltage Variable configurations.  Digital Attenuators are available in frequency ranges from 10 to 2000 MHz. Voltage Variable Attenuators (VVAs) are available in frequency ranges from 5 to 2000 MHz when voltage variable gain control is required.

Limiters

API offers receiver protection for frequencies from 5 MHz to 1000 MHz. With input power levels up to +26 dBm, use as a clean-up limiter with higher power limiters or stand-alone for lower power requirements.

Switches

Designing switches that exceeds customer expectations is paramount to building strong supplier relationships. That’s why API selectively employs double ball bonds on critical connections for added integrity and runs hybrids over temperature as part of the final test procedure.

Mixers

API’s RF Mixer product line covers frequency ranges from 0.5 MHz to 26.5 GHz. Available in many industry standard surface mount, drop-in and connectorized housings, these RF Mixers are ideal for high reliability applications.

Waveguide Filters

Waveguide bandpass filters consist of half wavelength resonant cavities couple by capacitive or inductive irises.  These high Q structures provide low passband loss and steep attenuation skirts.

SAW Filters

API provides high performance SAW filters to meet today’s military and commercial requirements.  The SAW filters range in frequencies from 20 MHz to 2600 MHz and offer a wide array of features.

Suspended Substrate Filters

API engineers combine both lumped and distributed elements onto one suspended substrate board, providing enhanced unloaded Q and exceptionally low insertion loss in one design.

Ceramic Filters

API follows strict ISO9001:2000 guidelines when manufacturing Ceramic Filters, ensuring affordability and top notch quality.  The Company’s unique design also integrates Low Pass Filters for Ultimate Rejection Optimization.

Tubular Filters

API’s line of tubular filters provide high unloaded Q’s in a moderate package size.  Due to their mechanical configuration, tubular filters have inherently broad stopbands with very high attenuation levels.

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