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HR915
915MHz One-Port SAW Resonator
Approved by: Checked by: Issued by:
SPECIFICATION
PRODUCT: MODEL: SAW RESONATOR HR915 TO-39
HOPE MICROELECTRONICS CO.,LIMITED
Tel:+86-755-82973806 Fax:+86-755-82973550
E-mail: sales@hoperf.com
Page 1 of 1
http://www.hoperf.com
SAW Resonator
HR915
The HR915 is a true one-port, surface-acoustic-wave (SAW) resonator in a low-profile metal TO-39 case. It provides reliable, fundamental-mode, quartz frequency stabilization i.e. in transmitters or local oscillators operating at 915.000 MHz. 1.Package Dimension (TO-39)
Pin 1 2 3 Dimension A B C D E Configuration Input / Output Output / Input Case Ground Data (unit: mm) 9.300.20 5.080.10 3.400.20 30.20 50.20 0.450.20
2.Marking
3.Equivalent LC Model and Test Circuit
HR915
Color: Black or Blue 4.Typical Application Circuits 1) Low-Power Transmitter Application
2) Local Oscillator Application
5.Typical Frequency Response
6.Temperature Characteristics
Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
SAW Resonator
7.Performance 7-1.Maximum Ratings
Rating
CW RF Power Dissipation DC Voltage Between Any two Pins Storage Temperature Range Operating Temperature Range P VDC Tstg TA
HR915
Value
0 30 -40 to +85 -10 to +60
Unit
dBm V
7-2.Electronic Characteristics
Characteristic
Center Frequency (+25 ) Insertion Loss Unloaded Q Quality Factor 50 Loaded Q Turnover Temperature Temperature Stability Turnover Frequency Frequency Temperature Coefficient Frequency Aging Absolute Value during the First Year Absolute Frequency Tolerance from 915.000MHz
Sym
fC fC IL QU QL T0 f0 FTC |fA|
Minimum
914.850
Typical
Maximum
915.150
Unit
MHz kHz
150 1.6 9,000 1,500 25 fC 0.032 10 1.0 55 2.2
dB
kHz ppm/
2
ppm/yr M
DC Insulation Resistance Between Any Two Pins Motional Resistance RF Equivalent RLC Model Motional Inductance Motional Capacitance Pin 1 to Pin 2 Static Capacitance RM LM CM C0
20 31.3250 0.9668 1.7 2.0
29
H fF
2.3
pF
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling!
C 2003. All Rights Reserved.
The center frequency, fC, is measured at the minimum IL point with the resonator in the 50 test system. Unless noted otherwise, case temperature TC = +25C2C. Frequency aging is the change in fC with time and is specified at +65C or less. Aging may exceed the specification for prolonged temperatures above +65C. Typically, aging is greatest the first year after manufacture, decreasing in subsequent years. 4. Turnover temperature, T0, is the temperature of maximum (or turnover) frequency, f0. The nominal frequency at any case temperature, TC, may be calculated from: f = f0 [1 - FTC (T0 - TC)2]. 5. This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for reference only. The capacitance C0 is the measured static (nonmotional) capacitance between Pin1 and Pin2. The measurement includes case parasitic capacitance. 6. Derived mathematically from one or more of the following directly measured parameters: fC, IL, 3 dB bandwidth, fC versus TC, and C0. 7. The specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. 8. Typically, equipment utilizing this device requires emissions testing and government approval, which is the responsibility of the equipment manufacturer. 9. Our liability is only assumed for the Surface Acoustic Wave (SAW) component(s) per se, not for applications, processes and circuits implemented within components or assemblies. 10. For questions on technology, prices and delivery, please contact our sales offices or email sales@hoperf.com. 1. 2. 3.
Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com

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