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CIC implement question?

Started by HerbertLu 2 months ago11 replieslatest reply 4 weeks ago196 views
Hi Sir,I want to use sigma-delta modulator and FPGA to implement digital power control, and I am studying the Understanding Digital Signal Processing CH13.24, and...

Electromagnetic waves question

Started by kaz 1 month ago15 replieslatest reply 4 weeks ago162 views
Hi All,This question suddenly popped up in my head.Why is that nobody talks about electromagnetic wave interaction as they share the same space?Yes they are different...

All Pole Transfer Functions

Started by Safwan 4 weeks ago10 replieslatest reply 4 weeks ago177 views
Hello All,  I think I developed a method for obtaining IIR  low-pass filters. It relies on all-pole z-domain transfer functions. The design is directly made...

Matlab support for "Frequency-Response Masking" filter design technique

Started by cangiane 1 month ago5 replieslatest reply 4 weeks ago110 views
Hi all,Does anyone know whether Matlab includes support for the "Frequency-Response Masking" (FRM) filter design technique first described in:Y. C. Lim, “Frequency-response...

AKM DSP Development?

Started by Ekene 2 months ago9 replieslatest reply 1 month ago162 views
Asahi Kasei Micro makes dsp ICs such as the AK7755EN. On the website https://www.akm.com/eu/en/products/audio-voice-dsp/lineup-audio-voice-processor/ak7755en/ there...

2-FSK eye diagram - optimal sampling sharp transitions

Started by six20star 2 months ago4 replieslatest reply 2 months ago119 views
Hi folks,I have ta analyse a signal transmitted in a burst mode in UHF and I have no apriori about it.The signal seams to be transmitted using a basic 2-FSK modulation.I...

How to avoid harmonic distortions in a DAC?

Started by weetabixharry 2 months ago4 replieslatest reply 2 months ago124 views
I have a DAC which is assumed to be nonlinear, such that it produces unwanted harmonic distortions at integer multiples of the input frequencies. Any other nonlinear...

C code simulation of DSP fixed-point operations with overflow and saturation

Started by jbrower 2 months ago9 replieslatest reply 2 months ago201 views
All-Does anyone have a link to old Texas Inst C code that simulated what their fixed-point DSPs did with overflow and saturation with arithmetic operations (add,...

Simulating multipath fading channel in Python

Started by roblkc3 2 months ago2 replieslatest reply 2 months ago165 views
Hello!I'm trying to figure out how to simulate a multipath fading channel (I'd like to have both a Rayleigh and a Rician channel, no Doppler to simplify things)...

Design low pass filter and decimation stages, how to?

Started by duemilaventivalvole 2 months ago1 replylatest reply 2 months ago169 views
Hi to all!I usually see 24-bit digitizers giving output sample rate at 50, 100, 200 samples per second, selectable by user.Taking a look to code I can see input...

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