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SAW (Surface Acoustic Wave) filters are used both for medium frequencies as IF filter for receivers and radio links and for front-end of receivers, they are also widely used to filter the output of RF transmitters in the driver low power part before the final stage. These filters are also used in more sophisticated applications that require excellent response such as group delay in digital modulators-demodulators and professional modulators for TV transmitters.
These filter are manufactured using a very fine photolithographic technique by depositing metal electrodes in the shape of a comb on a substrate of monocrystalline piezoelectric quartz or lithium niobate crystals. The electrodes work as transducers for the RF signal and employ the electrical interference generated by mechanical waves to obtain the function of RF filter.
Here some differences with crystal quartz filters:
Order code: | FW-B585 |
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38.9 MHz band-pass SAW filter Siemens Matsushita B39390-B585-X110 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 38.9 MHz |
Bandwidth (3dB): | 7 MHz |
Insertion loss (@ fN): | 34.9 dB |
Application: | TV (RX) |
Package: | SIP-6M |
Mounting: | thru-hole |
Size: | 19 x 8.6 mm |
Order code: | FW-G3255K |
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38.9 MHz double band-pass SAW filter Siemens Matsushita B39389-G3255-K100 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 38.9 MHz |
Application: | TV (RX) |
Package: | DIP-9 |
Mounting: | thru-hole |
Size: | 19.4 x 11.3 mm |
Order code: | FW-K2950M |
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38.9 MHz band-pass SAW filter Siemens Matsushita B39389-K2950-M100 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 38.9 MHz |
Bandwidth (3dB): | 4.2 MHz |
Insertion loss (@ fN): | 16 dB |
Application: | TV (RX) |
Package: | SIP-5 |
Mounting: | thru-hole |
Size: | 17.3 x 8.7 mm |
Order code: | FW-SAF41 |
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41 MHz band-pass SAW filter muRata SAF41MC70Z |
Conditions: | N (The product is brand new) |
Nominal frequency: | 41 MHz |
Bandwidth (3dB): | 500 kHz |
Insertion loss (@ fN): | 16 dB |
Application: | SIF TV |
Package: | Resin Molded SIP |
Mounting: | thru-hole |
Size: | 14 x 10 mm |
Order code: | FW-B545 |
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45.75 MHz band-pass SAW filter Siemens Matsushita B39460-B545-G310 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 45.75 MHz |
Bandwidth (3dB): | 4.9 MHz |
Insertion loss (@ fN): | 27.5 dB |
Application: | TV (TX) |
Package: | DIP-24-06 |
Mounting: | thru-hole |
Size: | 35.2 x 20.5 mm |
Order code: | FW-70F50A |
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70 MHz band-pass SAW filter NDK 70F50A |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 70 MHz |
Bandwidth (3dB): | 2.8 MHz |
Insertion loss (@ fN): | 47 dB |
Application: | Radio base stations, WCDMA |
Package: | D-509B |
Mounting: | thru-hole |
Size: | 20.5 x 13.3 mm |
Order code: | FW-851547 |
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70 MHz band-pass SAW filter Sawtek Inc 851547 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 70 MHz |
Bandwidth (3dB): | 2.6 MHz |
Insertion loss (@ fN): | 25.2 dB |
Application: | Radio base stations, WCDMA |
Package: | Style I |
Mounting: | thru-hole |
Size: | 22 x 12.6 mm |
Order code: | FW-B517 |
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70 MHz band-pass SAW filter Siemens Matsushita B517 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 70 MHz |
Bandwidth (3dB): | 2.5 MHz |
Insertion loss (@ fN): | 44 dB |
Application: | Radio base stations, WCDMA |
Package: | DIP-24-06 |
Mounting: | thru-hole |
Size: | 35.2 x 20.5 mm |
Order code: | FW-SAFC71 |
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71 MHz band-pass SAW filter muRata SAFC71.0MC50T-TC |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 71 MHz |
Bandwidth (3dB): | 140 kHz |
Insertion loss (@ fN): | 7 dB |
Application: | GSM |
Package: | SC713 |
Mounting: | SMD |
Size: | 13.3 x 6.5 mm |
Order code: | FW-83FY4F |
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83.16 MHz band-pass SAW filter NDK 83FY4F |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 83.16 MHz |
Bandwidth (3dB): | 30 kHz |
Insertion loss (@ fN): | 5 dB |
Application: | Cellular |
Package: | D-537 |
Mounting: | SMD |
Size: | 13.3 x 6.5 mm |
Order code: | FW-92SPY3 |
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92.612 MHz band-pass SAW filter NDK 92SPY3 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 92.612 MHz |
Bandwidth (3dB): | 30 kHz |
Application: | General purpose |
Package: | D-550 |
Mounting: | SMD |
Size: | 11.4 x 5 mm |
Order code: | FW-SAF110R6 |
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110.6 MHz band-pass SAW filter muRata SAF110.6MA40T |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 110.6 MHz |
Bandwidth (3dB): | 1.1 MHz |
Application: | Bluetooth, DECT |
Package: | SF712 |
Mounting: | thru-hole |
Size: | 12 x 7.2 mm |
Order code: | FW-B521 |
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118 MHz band-pass SAW filter Siemens Matsushita B39121-B521-E110 |
Conditions: | N- (The product is brand new but it comes from an old production) |
Nominal frequency: | 118 MHz |
Bandwidth (3dB): | 11.9 MHz |
Insertion loss (@ fN): | 22 dB |
Application: | General purpose |
Package: | DIP-16 |
Mounting: | thru-hole |
Size: | 25 x 13 mm |
Order code: | FW-130R38 |
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130.38 MHz band-pass SAW filter Sawtek Inc 854858 |
Conditions: | N (The product is brand new) |
Nominal frequency: | 130.38 MHz |
Bandwidth (3dB): | 3 MHz |
Application: | CDMA |
Package: | SMP-53 |
Mounting: | SMD |
Size: | 13.3 x 6.5 mm |
Order code: | FW-TFS133 |
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133 MHz band-pass SAW filter Telefilter GmbH TFS 133B |
Conditions: | N (The product is brand new) |
Nominal frequency: | 133 MHz |
Bandwidth (3dB): | 800 kHz |
Insertion loss (@ fN): | 4.6 dB |
Application: | General purpose |
Mounting: | SMD |
Size: | 11.7 x 5.3 mm |