IF / RF Saw Filters
(TSF)Surface Acoustic Wave Grossary (TSF)
![Saw Filters - TSF Series figure 2](image/saw-filter-smd-dip-2.jpg)
Filters for Wireless Communications (TSF)
RF Filters / IF Filters Technology for Wireless Communications - The Choice is Yours
What is SAW - Surface Acoustic Wave
- SAWs were first explained in 1885 by Lord Rayleigh, who described the surface acoustic mode of propagation and predicted its properties in his classic paper. Named after their discoverer, Rayleigh waves have a longitudinal and a vertical shear component that can couple with any media in contact with the surface. This coupling strongly affects the amplitude and velocity of the wave, allowing SAW sensors to directly sense mass and mechanical properties.
What is IDT - Interdigital Transducer
- The theory developed by Blotekjaer ET AL., (1973) is used to study a periodic system of conducting electrodes deposited upon the surface of a piezoelastic half space - a SAW IDT. It is assumed that some of the electrodes are fed by external voltage sources. Exact expressions are obtained for elements of the transadmittance matrix, coupling currents and electrode potentials. Numerical and experimental results are presented.
Type of Saw devices
- Precision - Bidirectional, High Loss
- SPUDT -Single Phase Unidirectional Transducer
- TCRF - Transversely-Coupled Resonator filter
- LCRF - Longitudinally-Coupled Resonator Filter
- SFIT - Slanted Finger Interdigital Transducer
- IEF - Impedance Element Filter
Type of Saw Applications
- SONET - Synchronous Optical Network
- DECT - Digital European Cordless Telephone
- GSM - Global System for Mobile Communications
- VCO - Voltage Controlled Oscillator
- PCS - Personal Communication System
- IF - Intermediate Frequency Filter
- RF - Radio Frequency Filter
- 3G - Third Generation Systems
- PCN - Personal Communications Network
- PHS - Personal Handyphone System
- CDMA - Code Division Multiple Access
- SCDMA - Synchronous Code Division Multiple Access
- VOFDM - Vector Orthogonal Frequency Division Multiplexing
- TDMA - Time Division Multiple Access
- EGSM - Extended Global System for Mobile
- AMPS - Advanced Mobile Phone System
- GSM - Global System for Mobile Communications
- SDH - Synchronous Digital Hierarchy
- DCS - Digital Communications System
- PDC - Personal Digital Cellular
RF Filters for Cellular Phone (TSF) Mobile Communications
Part Number | Center Freq. (MHz) |
BW(MHz) | IL(dB) | System | Package | |
SMD Type | DIP Type | |||||
TSF452D50-S7 | 452.5 | 5.0 | 2.1 | CDMA450 TX | DCC6 | |
TSF462D50-S7 | 462.5 | 4.6 | 2.5 | CDMA450 RX | DCC6 | |
TSF455D00-S7 | 455.0 | 5.0 | 2.1 | CDMA450 TX | DCC6 | |
TSF465D00-S7 | 465.0 | 4.6 | 2.5 | CDMA450 RX | DCC6 | |
TSF481D25-S7 | 481.25 | 4.5 | 1.8 | CDMA450 TX | DCC6 | |
TSF491D25-S7 | 491.25 | 4.5 | 2.4 | CDMA450 RX | DCC6 | |
TSF836D50-S9 | 836.5 | 25 | 2.7 | AMPS / CDMA TX | DCC6C | |
TSF881D50-S9 | 881.5 | 25 | 2.7 | AMPS / CDMA RX | DCC6C | |
TSF897D50A-S7 | 897.5 | 26 | 3.0 | EGSM TX | DCC6 | |
TSF897D50B-S7 | 897.5 | 30 | 2.7 | EGSM TX | DCC6 | |
TSF942D50-S7 | 942.5 | 30 | 2.7 | EGSM RX | DCC6 | |
TSF900D00A-S7 | 900 | 30 | 2.7 | EGSM TX | DCC6 | |
TSF900D00B-S9 | 900 | 30 | 2.7 | EGSM TX | DCC6C | |
TSF945D00A-S7 | 945 | 30 | 2.7 | EGSM RX | DCC6 | |
TSF945D00B-S9 | 945 | 30 | 2.7 | EGSM RX | DCC6C | |
TSF902D50A-S9 | 902.5 | 30 | 2.7 | GSM TX | DCC6C | |
TSF902D50B-S7 | 902.5 | 25 | 3.0 | GSM TX | DCC6 | |
TSF947D50A-S9 | 947.5 | 30 | 2.7 | GSM RX | DCC6C | |
TSF947D50B-S7 | 947.5 | 25 | 3.0 | GSM RX | DCC6 | |
TSF1747D50-S9 | 1747.5 | 75 | 3.5 | PCN / DCS TX | DCC6C | |
TSF1842D50-S9 | 1842.5 | 75 | 3.5 | PCN / DCS RX | DCC6C | |
TSF1855D00-S9 | 1855.0 | 30 | 3.0 | K-PCS RX | DCC6C |
RF Filters for ISM Band Cordless Phone (TSF) Mobile Communications
Part Number | Center Freq. (MHz) |
BW(MHz) | IL(dB) | Package | |
SMD Type | DIP Type | ||||
TSF903D65-S7 | 903.65 | +2 | 3.8 | DCC6 | |
TSF915D00A-S7 | 915 | 26 | 3.5 | DCC6 | |
TSF915D00B-S9 | 915 | 26 | 3.5 | DCC6C | |
TSF915D00C-S9 | 915 | 26 | 3.5 | DCC6C | |
TSF915D00D-S7 | 915 | 26 | 3.5 | DCC6 | |
TSF915D00E-S9 | 915 | 7 | 3.2 | DCC6C | |
TSF915D00F-S7 | 915 | 7 | 3.0 | DCC6 | |
TSF926D25-S7 | 926.25 | +2 | 3.5 | DCC6 |
- 1dB Bandwidth : 6.75 MHz (CH1~CH5) ; 6.50 MHz
- Insertion Loss : 23.0 dB typical ; 6.50 dB typical (NDF25C)
- Passband Ripple :+ 0.6 dB ;+ 1.0 dB (NDF25C)
Duplexers for Cordless Phone (TSF) Mobile Communications
Part Number | Lower Freq. (MHz) |
Upper Freq. (MHz) |
IL(dB) | System | Package | |
SMD Type | DIP Type | |||||
TSF908D50A-S4 | 886 | 931 | 3.5 / 3.5 | CT1+ | QCC8C | |
TSF908D50B-S4 | 886 | 931 | 3.5 / 3.5 | CT1+ | QCC8C | |
TSF908D50C-S6 | 886 | 931 | 3.5 / 3.5 | CT1+ | QCC8B | |
TSF908D50D-S6 | 886 | 931 | 3.5 / 3.5 | CT1+ | QCC8B | |
TSF915D00A-S6 | 903 | 927 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF915D00B-S6 | 903 | 927 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF914D95A-S6 | 903.45 | 926.45 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF914D95B-S6 | 903.45 | 926.45 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF914D95C-D1 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | TO-39 | |
TSF914D95D-D1 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | TO-39 | |
TSF914D95E-S4 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | QCC8C | |
TSF914D95F-S4 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | QCC8C | |
TSF914D95G-S6 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF914D95H-S6 | 903.75 | 926.25 | 3.5 / 3.5 | ISM band | QCC8B | |
TSF937D00A-D1 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | TO-39 | |
TSF937D00B-D1 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | TO-39 | |
TSF937D00C-S4 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | QCC8C | |
TSF937D00D-S4 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | QCC8C | |
TSF937D00E-S6 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | QCC8B | |
TSF937D00F-S6 | 914.5 | 959.5 | 3.5 / 3.5 | CT1 | QCC8B |
for Pager Applications (TSF) Mobile Communications
Part Number | Center Freq. (MHz) |
BW(MHz) | IL(dB) | Package | |
SMD Type | DIP Type | ||||
TSF139D00-D2 | 139 | +4.0 | 6.5 max. | F-11 | |
TSF147D00A-D2 | 147 | +4.0 | 6.5 max. | F-11 | |
TSF147D00B-S4 | 147 | +4.0 | 6.5 max. | QCC8C | |
TSF155D00A-D2 | 155 | +4.0 | 6.5 max. | F-11 | |
TSF155D00B-S4 | 155 | +4.0 | 6.5 max. | QCC8C | |
TSF163D00A-D2 | 163 | +4.0 | 6.5 max. | F-11 | |
TSF163D00B-S4 | 163 | +4.0 | 6.5 max. | QCC8C | |
TSF171D00A-D2 | 171 | +4.0 | 6.5 max. | F-11 | |
TSF171D00B-S4 | 171 | +4.0 | 6.5 max. | QCC8C | |
TSF281D00A-D2 | 281 | +3.1 | 4.5 max. | F-11 | |
TSF281D00B-S4 | 281 | +4.0 | 4.5 max. | QCC8C | |
TSF930D50A-D2 | 930.5 | +2.0 | 4.5 max. | F-11 | |
TSF930D50B-S4 | 930.5 | +2.0 | 4.5 max. | QCC8C | |
TSF930D50C-S7 | 930.5 | +2.0 | 4.5 max. | DCC6 |
for Communication Equipment (TSF) Mobile Communications
Part Number | Center Freq. (MHz) |
BW(MHz) | IL(dB) | System | Package | |
SMD Type | DIP Type | |||||
TSF35D42-S2 | 35.42 | 1.9 (1dB) | 17.5 | GPS | SMP-53 | |
TSF96D00B-S3 | 96 | 5 (1dB) | 13.5 | 3G BaseStation | SMP-53-S | |
TSF96D00C-S1 | 96 | +10 | 8.5 | 3G BaseStation | SMP-03 | |
TSF110D00A-S4 | 110 | 2.12 (3dB) | 3.5 | GPS | QCC8C | |
TSF110D00B-S1 | 110 | 4.0 (3dB) | 9.0 | Wireless LAN / Bluetooth | SMP-03 | |
TSF110D00C-S1 | 110 | 0.66 (1dB) | 12 | SCDMA | SMP-03 | |
TSF110D592A-S4 | 110.592 | +0.576 | 3.5 | DECT | QCC8C | |
TSF110D592B-S1 | 110.592 | +0.576 | 3.5 | DECT | SMP-03 | |
TSF130D38A-S6 | 130.38 | +0.63 min. | 5.5 max. | AMPS / ADC | QCC8B | |
TSF130D38B-S7 | 130.38 | +0.63 min. | 5.5 max. | AMPS / ADC | DCC6 | |
TSF199D00-S3 | 199 | +0.1 | 7.0 max. | GSM BaseStation | SMP-53-S | |
TSF204D00-S1 | 204 | 0.7 (1dB) | 10 | SCDMA | SMP-03 | |
TSF240D00-S4 | 240 | +3.85 | 11 | Broadband | QCC8C | |
TSF243D95A-S7 | 243.95 | +0.11 | 2.0 | PHS | DCC6 | |
TSF243D95B-S7 | 243.95 | +0.11 | 2.2 | PHS | DCC6 | |
TSF243D95C-S9 | 243.95 | +0.11 | 2.0 | PHS | DCC6C | |
TSFD243D95D-S8 | 243.95 | +0.11 | 2.0 | PHS | QCC8D | |
TSF243D95E-S8 | 243.95 | +0.11 | 2.2 | PHS | QCC8D | |
TSF265D55-S8 | 265.55 | +0.11 | 2.3 | PHS | QCC8D | |
TSF426D00-S2 | 426 | 6.5 (3dB) | 22 | Broadband Access / VOFDM | SMP-53 |
Order Codes (TSF)
TSF | 302D00 | A | S1 | |||||||||||||||||||||
1 | 2 | 3 | 4 | |||||||||||||||||||||
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More Information About Saw in PDF download
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