GSM Filter Passes 875 To 1010 MHz

Model ZX75BP-942+ is a compact ceramic resonator bandpass filter from Mini-Circuits with passband of 875 to 1010 MHz. The filter offers low passband insertion loss of 1.1 dB and a rejection band that extends to 7 GHz. The insertion loss remains stable within 0.2 dB across the full operating temperature range. The rejection is 30 dB at 750 and 1160 MHz and 49 dB at 690 and 1250 MHz. With the close-in signal rejection needed for use in GSM cellular base station applications, the design includes a multisection lowpass filter to prevent second-harmonic re-entry. The filter measures 2.05 x 1.18 x 0.46 in. with SMA connectors and flange.

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