RP1239 - ETC

RP1239 315.0 MHz SAW Resonator

® RP1239 315.0 MHz SAW Resonator • • • • Designed for 315 MHz Transmitters Nominal Insertion Phase Shift of 180° at Resonance Quartz 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, quartz frequency stabilization of lo.

Features

Ω Loaded Q Turnover Temperature Turnover Frequency Frequency Temp. Coefficient Frequency Aging RF Equivalent RLC Absolute Value during First Year Motional Resistance Motional Inductance Motional Capacitance Shunt Static Capacitance Lid Symbolization (in addition to Lot and/or Date Codes) DC Insulation Resistance between Any Two Pins RM LM CM CO 5, 6, 9 1.9 5, 7, 9 Characteristic Absolute Frequency Tolerance from 315.000 MHz Sym fC ∆fC IL QU QL TO fO FTC |fA| 6 5 1.0 84 758.027 0.336771 2.2 RFM P1239 2.5 167 6, 7, 8 Notes 2, 3, 4, 5, 2, 5, 6 5, 6, 7 37 Minimum 314.925 Typical Maximum 315.075 ±.