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Synthesizer Product List

COMB GENERATORS

Spectrum Microwave's Series 95 Comb Generators use a Step Recovery Diode (SRD) to generate very narrow voltage spikes; these in turn produce an output frequency spectrum rich in harmonics. The spacing between the signals is equal to the source that drives the SRD which, in most cases, is a stable crystal oscillator. The crystal oscillator is normally internal, however, an external signal can be used to drive the SRD.

Designing and producing our improved phase noise comb generators in-house allows Spectrum Microwave to offer improved Spurious response and better selectivity.

Comb spacing as close as 1 MHz.

Comb spacing as close as 1 MHz.

We design our combs to maximize output power even over multiple octave bandwidths.

We design our combs to maximize output power even over multiple octave bandwidths.

We provide optional output filtering to optimize flatness within your desired band of interest.

We provide optional output filtering to optimize flatness within your desired band of interest.

Able to accommodate unusual comb spacing by using out our low phase noise OCXOs.

Able to accommodate unusual comb spacing by using out our low phase noise OCXOs.

Our designs offer high output power levels even beyond Ku band.

Our designs offer high output power levels even beyond Ku band.

Designs up to 18 GHz output.

Designs up to 18 GHz output.

Power flatness to -5 dBc.

Power flatness to -5 dBc.

FEATURES
Signal Integrity

Signal Integrity

 To download more information about our signal integrity, click here! To message to one of our engineers about our signal integrity, click here! To request pricing information about our signal integrity, click here!
  • Optional output filtering is provided to insure a clean signal with optimum combs within the acquired band of interest.
  • Join us on the Spectrum Microwave Frequency Sources Tour to learn even more!
Customizable Options

Customizable Options

 To download more information about our customizable options, click here! To message to one of our engineers about our customizable options, click here! To request pricing information about our customizable options, click here!
  • For improved phase noise & stability, an internal OCXO is an option.
  • The output can be the full comb spectrum, filtered to select certain combs, or we can add a switched filter bank to select the output band of your choice.
  • Learn about more of our customizable features in our Frequency Sources Brochure!
External Frequency Sources

External Frequency Sources

 To download more information about our external frequency sources, click here! To message to one of our engineers about our external frequency sources, click here! To request pricing information about our external frequency sources, click here!
  • For improved noise & stability, we can phase lock to an external frequency source.
  • Email one of our experienced engineers to learn more today!
High Performance

High Performance

 To download more information about our High Performance, click here! To message to one of our engineers about our high performance, click here! To request pricing information about our high performance, click here!
  • The spacing between the comblines is equal to the frequency of the source that drives the SRD.
  • That source can be internal or external, crystal oscillator/VCO/CRO, fixed or voltage tuned, free running or phase locked, and many other combinations.

 

PRODUCT SOLUTIONS

External Reference

Model

Comb Spacing
(MHz)

Output Power level
(dBm @ Freq)

Output Power Level
(dBm @ Freq)

In-Band
Spurious(dB)

Freq. Stability
(ppm)(ppm/C)

Supply
95220 1 0 dBm @1 MHz -50 dBm @ 2 GHz -80 5 15V / 150 mA
95221 10 0 dBm @ 10 MHz -50 dBm @ 5 GHz -80 5 15V / 150 mA
95222 25 0 dBm @ 25 MHz -50 dBm @ 7 GHz -80 5 15V / 150 mA
95223 50 0 dBm @ 50 MHz -50 dBm @ 15 GHz -80 5 15V / 150 mA
95224 75 0 dBm @ 75 MHz -50 dBm @ 18 GHz -80 5 15V / 150 mA
95225 100 0 dBm @ 100 MHz -45 dBm @ 18 GHz -80 5 15V / 150 mA
95226 200 0 dBm @ 200 MHz -40 dBm @ 18 GHz -80 15 15V / 150 mA
95227 250 0 dBm @ 250 MHz -40 dBm @ 18 GHz -80 15 15V / 150 mA
95228 500 0 dBm @ 500 MHz -35 dBm @ 18 GHz -80 15 15V / 150 mA
95229 1000 0 dBm @ 1000 MHz -30 dBm @ 18 GHz -80 15 15V / 150 mA

FREQ SOURCES EXTRAS

FREE DESIGN SOFTWARE