The new surface mount pin diodes – MMP4400 series can be used in RF circuits as an on/off element, as a switch, or as a current controlled resistor in attenuators extending over the frequency range from UHF through X-band. Switch applications include high-speed switches (ECM systems), TR or lobing switches, channel or antenna-selection switches (telecommunications), duplexers (radar), and digital phase shifters (phased arrays).
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