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The TAK-5 from Mini Circuits is a RF Mixer with RF Frequency 0 to 250 MHz, IF Frequency 0 to 250 MHz, LO Frequency 0 to 0.01 MHz, Conversion Loss 4.65 to 8.5 dB, LO/RF Isolation 50 dB. More details for TAK-5 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
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