RP1239 PDF 데이터시트 검색

® RP1239 315.0 MH- SAW Resonator Designed for 315 MH- Transmitters Nominal Insertion Phase Shift of 180° at Resonance Quart- Stability Rugged, Hermetic, Low-Profile TO39 Case The RP1239 is a two-port, 180° surface-acoustic-wave (SAW) resonator in a low-profile TO39 case. It provides reliable, fundamental-mode, quart- frequency stabilization of low-power AM and FSK transmitters operating at 315.0 MH- for use in the United Kingdom under DTI MPT 1340 and in the USA under FCC Part 15. Ap