This page represents the types of components/subsystems that SRFS, LLC has experience developing, or has developed for other customers. To date 100% of SRFS, LLC's work has come in the form of contract consulting work to develop functional prototypes for customers who then take these developed designs to produce on their own. As a result SRFS, LLC is not able to put out much information regarding these systems due to NDA's with these customers. 

However, SRFS, LLC also looks ahead to opportunities to develop their own catalog of parts that can serve the industry. 

Phase Locked Oscillators/Synthesizers
     Single frequency

          PLO-840M-EXT10M-P20DBM, 840MHz single frequency PLL with +20dBm MIN output power
     Synthesizers with down to 1Hz resolution

          Contract - L Band BIT Synthesizer, 1MHz steps
     Low phase noise
     Low spurious and harmonics
     High outpower power options
          
Amplifiers
     Low Noise
     High Power (CW or Pulsed, Future growth towards linearization)
     Low Phase Noise
     Discrete and/or MMIC based
     Surface Mount or connectorized

Filters
     Lowpass
     Highpass
     Bandpass          
     Bandstop
     Lumped element
     Planar

     Ceramic Resonator

          BPF-1400-1427-1338p540-1488p540 in development, 1400-1427MHz Ceramic Resonator BPF, 40dBc at

          <=1338.5MHz and >=1488.5MHz

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          BPF-2500-2520-238057-264057 in development, 2500-2520MHz Ceramic Resonator BPF, 57dBc at         

          <=2380MHz and >=2640MHz

     % BW down to 1%
     Surface mount, wire bond, connectorized

RF Passive
     Power Dividers
     90 deg hybrid couplers
     Gain equalizers

Subsystems
     Up/Downconverters

          Ku Band up/downconverter for SATCOM application, 1W linear output upconverter - did not complete due

          to customer declaring bankruptcy, but bare PCB made

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          Troubleshoot/repair upconverter with high power amp for video transmission, 64QAM need
     Switched filter banks, amplified or not
     T/R modules
     Anything from bits to RF or RF to bits - Front ends, ADC/DAC interfacing

          30-6000MHz RF Front End for SDR using AI