RO2044

Features:

• Designed for 318 MHz Transmitter Applications
• Low Series Resistance
• Quartz Stability
• Rugged, Hermetic, Low-Profile TO39 Case
• Complies with Directive 2002/95/EC (RoHS)




Specifications

Characteristic Symbol Minimum Typical Maximum Units Frequency (+25 C) Nominal Frequency fC 317.900 318.100 MHz Tolerance from 318.000 MHz ?fC 100 kHz Insertion Loss IL 2.4 5.0 dB Quality Factor Unloaded Q QU 10400 50 Ohm Loaded Q QL 2400 Temperature Stability Turnover Temperature TO 29 44 59 C Turnover Frequency fO fC+4.2 kHz Frequency Temperature Coefficient FTC 0.037 ppm/C2 Frequency Aging Absolute Value during the First Year |fA| 10 ppm/yr DC Insulation Resistance between Any Two Pins 1.0 MOhm RF Equivalent RLC Model Motional Resistance RM 32 78 Ohm Motional Inductance LM 160.269 uH Motional Capacitance CM 1.56292 fF Pin 1 to Pin 2 Static Capacitance CO 2.9 3.2 3.6 pF Transducer Static Capacitance CP 3.0 pF Test Fixture Shunt Inductance LTEST 78 nH Lid Symbolization RO2044

Rating	Value	Units
CW RF Power Dissipation (See: Typical Test Circuit)	+0	dBm
DC Voltage Between Terminals (Observe ESD Precautions)	±30	VDC
Case Temperature	-40 to +85

Description

Designed for 318 MHz Transmitter Applications Low Series Resistance Quartz Stability Rugged, Hermetic, Low-Profile TO39 Case Complies with Directive 2002/95/EC (RoHS)

The RO2044 is a true one-port, surface-acoustic-wave (SAW) resonator in a low-profile TO39 case. It pro- vides reliable, fundamental-mode quartz frequency stabilization of fixed-frequency transmitters operating at or near 318 MHz. The RO2044 is designed specifically for remote-control and wireless security AM transmit-ters operating in the USA under FCC Part 15, in Canada under Doc RSS-210, and in Australia.