SAW Resonators
RFM provides a large selection of discrete SAW resonators in a
SAW Resonators
Select by Part Number
broad range of frequencies from 300 MHz to over 1 GHz. These
products are designed to be the frequency control element in
transmitters and receiver local oscillators. Their use allows reduced
receiver bandwidths, which results in improved sensitivity and immunity
to interference. Tighter center frequency tolerances are becoming
popular primarily in Europe. RFM can provide as tight as ±50 kHz
currently. These devices are quartz stabilized to ensure maximum
temperature performance in a variety of applications.
Port Types
The SAW Resonator product family includes one and two-port types.
The RO series is a line of true one-port devices with a lumped element
model that is similar to that of a bulk crystal device. One-port
resonators are typically used in modified Colpitts oscillator
configurations where the resonator is connected between the base of a
transistor and ground.
Packaging
RO resonator products are packaged in both the traditional TO39
and a variety of surface-mount packages. The TO39 parts are shipped
in antistatic shipping tubes and the SMT parts are shipped in tape-and-
reel. RFM is currently manufacturing both the TO39 and SMT versions
of one-port resonators in high volumes.
Applications
Product No.
RO2023-10
RO2043
RO2044
RO2053A-1
RO2073
RO2073A
RO2073A-1
RO2073A-17
RO2073A-5
RO2073A-6
RO2073C
RO2073D
RO2073E
RO2073E-2
RO2100
RO2101
RO2101A
RO2101A-10
RO2101A-12
RO2101A-15
RO2101A-17
RO2101A-6
RO2101C
RO2101D
RO2101E
RO2101E-2
RO2102
RO2102A
RO2102A-1
RO2103
RO2103A
RO2103E
RO2104
RO2104A
Replacement
RO3023
RO3053A-1
RO3073
RO3073A
RO3073A-1
RO3073A
RO3073A-5
RO3073A-1
RO3073C
RO3073D
RO3073E
RO3073E-1
RO3101
RO3101A
RO3101A
RO3101A-1
RO3101A
RO3101A
RO3101A-1
RO3101C
RO3101D
RO3101E
RO3101E-1
RO3102
RO3102A
RO3102A-1
RO3103
RO3103A
RO3103E
RO3104
RO3104A
Freq. (MHz)
433.97
303.875
318
310
315
315
315
315
315.05
315
315
315
315
315
295.05
433.92
433.92
433.92
433.92
433.92
433.92
433.92
433.92
433.92
433.92
433.92
423.22
423.22
423.22
418
418
418
303.825
303.825
Lid Sym.
202310
RO2043
RO2044
308
RO2073
101
111
505
151
164
412
442
474
527
RO2100
RO2101
100
277
307
480
573
159
411
439
475
552
RO2102
114
146
RO2103
106
631
RO2104
112
Case
TO39-3
TO39-3
TO39-3
SM-2
TO39-3
SM-2
SM-2
SM-2
SM-2
SM-2
SM5050-8
SM3838-6
SM3030-6
SM3030-6
TO39-3
TO39-3
SM-2
SM-2
SM-2
SM-2
SM-2
SM-2
SM5050-8
SM3838-6
SM3030-6
SM3030-6
TO39-3
SM-2
SM-2
TO39-3
SM-2
SM3030-6
TO39-3
SM-2
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Automotive keyless entry
Tire pressure monitoring
GPS locating systems
Wireless point-of-sale terminals
Data link equipment
Peripherals
High Performance Computing (HPC)
Remote bar code data entry
Bar code readers
Identification tags
Home automation
Door and gate openers
Personal and home security
Automated meter reading
Consumer sports
RO2104D
RO2104D-2
RO2104E
RO2112
RO2112A
RO2112A-17
RO2112C
RO2112D
RO2112E
RO2113
RO2113A
RO2115
RO2115A
RO2116
RO2116A
RO2118A
RO2119A
RO2120A
RO2122A
RO2123A
RO2125A
RO2125A-5
RO3104D
RO3104D
RO3104E
RO3112
RO3112A
RO3112A
RO3112C
RO3112D
RO3112E
RO3113
RO3113A
RO3115
RO3115A
RO3116
RO3116A
RO3118A
RO3119A
RO3120A
RO3122A
RO3123A
RO3125A
RO3125A-2
303.825
303.825
303.825
433.42
433.42
433.42
433.42
433.42
433.42
314.5
314.5
417.5
417.5
303.325
303.325
318
317.5
403.55
293.125
307.3
304.3
304.3
486
632
543
RO2112
102
587
438
467
526
RO2113
103
RO2115
104
RO2116
105
108
109
110
116
117
121
184
SM3838-6
SM3838-6
SM3030-6
TO39-3
SM-2
SM-2
SM5050-8
SM3838-6
SM3030-6
TO39-3
SM-2
TO39-3
SM-2
TO39-3
SM-2
SM-2
SM-2
SM-2
SM-2
SM-2
SM-2
SM-2
RO2131D
314.35
440
SM3838-6
RO2134A
RO2138A
RO2144A
RO2144A-1
RO3134A
RO3138A
RO3144A-2
RO3144A
372.5
407.3
916.5
916.5
131
144
158
298
SM-2
SM-2
SM-2
SM-2
Denotes New Product
RO2144A-2
RO3144A-1
916.5
408
SM-2
2
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