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COMMUNICATIONS RECEIVER USING MULTI-BAND TRANSMIT BLOCKING FILTERS

  • US 20180331711A1
  • Filed: 07/09/2018
  • Published: 11/15/2018
  • Est. Priority Date: 01/20/2017
  • Status: Active Grant
First Claim
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1. A dual-passband filter having a first passband, a second passband higher in frequency than the first passband, a first stopband lower in frequency than the first passband, and a second stopband between the first and second passbands, the dual pass-band filter comprising:

  • a first surface acoustic wave (SAW) band-pass filter in parallel with a second SAW band-pass filter, wherein;

    the first SAW band-pass filter passes the first passband, andthe second SAW band-pass filter passes the second passband.

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