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New Papers from Ali Darwish

Submitted by rfrobenius on

Instructor Ali Darwish has co-authored a couple of new papers recently. The most recent one, A Broadband 1-to- N Power Divider/Combiner With Isolation and Reflection Cancellation appears in the IEEE MTT Transactions. You must be a member of the IEEE Microwave Theory and Techniques society to get free access.

Subject Area
Besser Associates Content
Power Amplifiers

Rick Lyons on Using the Forward FFT Algorithm to Compute the IFFT

Submitted by rfrobenius on

Instructor Rick Lyons has written a new post on his blog at DSP Related discussing ways that you can use an FFT algorithm to compute the IFFT.

If you need to compute inverse fast Fourier transforms (inverse FFTs) but you only have forward FFT software (or forward FFT FPGA cores) available to you, below are four ways to solve your problem.

Subject Area
Besser Associates Content
DSP Digital Signal Processing

New Post Regarding Goertzel Filters from Rick Lyons on DSPRelated

Submitted by rfrobenius on

Instructor Rick Lyons has written a new post on his blog at DSPRelated.com:

I noticed the Wiki web site stated that a Goertzel filter:

"...is marginally stable and vulnerable to
numerical error accumulation when computed using
low-precision arithmetic and long input sequences."

Subject Area
Besser Associates Content
DSP Digital Signal Processing

Behavioral Modeling and Linearization of RF Power Amplifiers

Author
John Wood

Wireless voice and data communications have made great improvements, with connectivity now virtually ubiquitous. Users are demanding essentially perfect transmission and reception of voice and data. The infrastructure that supports this wide connectivity and nearly error-free delivery of information is complex, costly, and continually being improved.