RF/Microwave Components

R&K DB Series

R&K’s DB series products are wideband & low loss frequency doublers that employ RF ferrite transformer. Out standard DB series products covers input frequency range from 100kHz to 1500MHz with output frequency range from 200kHz to 3000MHz. Unlike regular tunable doublers, our DB series products can be used without tuning. And because of its extremely wide operating frequency band, various RF measurements can be performed with a small number of DB series products. And by combining with power amplifier and band-pass filter, higher level of power multiplying circuit can be configured.

The products are available in coaxial connectorized, surface mountable, and 8-pin DIP packages, depending on the intended use and environment.

Product List

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Model Number Input Frequency (MHz) Input Frequency (MHz) CONVERSION LOSS (dB) SUPRIOUS (dBc) POWER RATING (W) Data Sheet
F1 F3 F4
Max Min Min Min
DB010-0S 0.1-250 0.2-500 14.5 15 25 10 0.1 Download
DB020-0S 1-500 2-1000 14 13 23 10 0.1 Download
DB030-0S 10-1500 20-3000 16 14 20 10 0.1 Download
DBL010 0.1 600 14 20 25 12 0.1 Download
DBL020 1 1000 15 15 25 12 0.1 Download
DBL030 10 3000 16 13 20 10 0.1 Download
DBL500 0.1 500 14 20 25 12 0.1 Download
DBL510 1 1000 15 18 25 12 0.1 Download
DBL520 1 3000 16 10 20 12 0.1 Download