The F3874 from Teledyne Microwave Solutions is a YIG Tuned Band Stop Filter with a passband from 0.4 to 3.0 GHz and a notch bandwidth of 50 to 90 MHz from 0.5 to 3.0 GHz. It has a passband insertion loss of less than 1.5 dB and a return loss of more than 10 dB. This band stop filter has a 40 dB rejection bandwidth of 6 MHz.
The F3874 can handle an input power of +5 dBm and has a notch tracking spur amplitude of 3 dB with a tuning sensitivity of 10 MHz/mA. It is manufactured using patented shunt YIG resonator technology that delivers industry-leading performance with up to 120% improvement in rejection bandwidth compared to conventional super notch band reject filters. This notch filter is available in a module that measures 2.0 x 2.0 x 1.70 inches and is ideal for electronic warfare applications.