FPGA System A modulator

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FPGA System A modulator

`FRANK.C

Senior Transmitter Engineer

Posts: 614
Reputation: 5
Location: Roscommon
Ireland

#26

24-11-2018, 07:01 PM

I have replaced the DAC chip with a fully working one and made a transformer for its output from a ferrite bead.
Photos below of the audio carrier modulated with a sine wave and of its trapezoid.
It looks fairly clean and linear.

Frank

Attached Files Thumbnail(s)

www.electronics.frankcuffe.ovh

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Messages In This Thread

FPGA System A modulator - by `FRANK.C - 17-11-2018, 01:06 PM

RE: FPGA System A modulator - by ppppenguin - 17-11-2018, 02:12 PM

RE: FPGA System A modulator - by `FRANK.C - 17-11-2018, 04:05 PM

RE: FPGA System A modulator - by Freya - 17-11-2018, 05:05 PM

RE: FPGA System A modulator - by Murphyv310 - 17-11-2018, 07:42 PM

RE: FPGA System A modulator - by ppppenguin - 17-11-2018, 07:51 PM

RE: FPGA System A modulator - by ppppenguin - 17-11-2018, 09:01 PM

RE: FPGA System A modulator - by `FRANK.C - 17-11-2018, 11:11 PM

RE: FPGA System A modulator - by ppppenguin - 18-11-2018, 07:03 AM

RE: FPGA System A modulator - by ppppenguin - 18-11-2018, 08:30 AM

RE: FPGA System A modulator - by ppppenguin - 18-11-2018, 10:24 AM

RE: FPGA System A modulator - by `FRANK.C - 18-11-2018, 09:33 PM

RE: FPGA System A modulator - by ppppenguin - 19-11-2018, 06:42 AM

RE: FPGA System A modulator - by `FRANK.C - 19-11-2018, 01:40 PM

RE: FPGA System A modulator - by ppppenguin - 19-11-2018, 02:11 PM

RE: FPGA System A modulator - by Nick - 19-11-2018, 02:29 PM

RE: FPGA System A modulator - by ppppenguin - 19-11-2018, 03:10 PM

RE: FPGA System A modulator - by `FRANK.C - 19-11-2018, 10:58 PM

RE: FPGA System A modulator - by ppppenguin - 20-11-2018, 09:22 AM

RE: FPGA System A modulator - by Terry - 20-11-2018, 09:59 AM

RE: FPGA System A modulator - by ppppenguin - 20-11-2018, 10:29 AM

RE: FPGA System A modulator - by Terry - 20-11-2018, 05:19 PM

RE: FPGA System A modulator - by ppppenguin - 20-11-2018, 11:08 AM

RE: FPGA System A modulator - by `FRANK.C - 20-11-2018, 06:58 PM

RE: FPGA System A modulator - by ppppenguin - 20-11-2018, 09:48 PM

RE: FPGA System A modulator - by `FRANK.C - 24-11-2018, 07:01 PM

RE: FPGA System A modulator - by Terry - 24-11-2018, 08:50 PM

RE: FPGA System A modulator - by Murphyv310 - 24-11-2018, 07:09 PM

RE: FPGA System A modulator - by ppppenguin - 24-11-2018, 09:35 PM

RE: FPGA System A modulator - by `FRANK.C - 25-11-2018, 10:07 AM

RE: FPGA System A modulator - by ppppenguin - 25-11-2018, 02:25 PM

RE: FPGA System A modulator - by Murphyv310 - 25-11-2018, 02:35 PM

RE: FPGA System A modulator - by Freya - 25-11-2018, 02:44 PM

RE: FPGA System A modulator - by ppppenguin - 25-11-2018, 06:22 PM

RE: FPGA System A modulator - by `FRANK.C - 25-11-2018, 06:51 PM

RE: FPGA System A modulator - by ppppenguin - 25-11-2018, 07:06 PM

RE: FPGA System A modulator - by `FRANK.C - 25-11-2018, 07:47 PM

RE: FPGA System A modulator - by ppppenguin - 25-11-2018, 09:42 PM

RE: FPGA System A modulator - by `FRANK.C - 25-11-2018, 11:19 PM

RE: FPGA System A modulator - by ppppenguin - 26-11-2018, 07:01 AM

RE: FPGA System A modulator - by `FRANK.C - 26-11-2018, 08:03 PM

RE: FPGA System A modulator - by ppppenguin - 28-11-2018, 02:51 PM

RE: FPGA System A modulator - by ppppenguin - 28-11-2018, 03:50 PM

RE: FPGA System A modulator - by ppppenguin - 28-11-2018, 04:59 PM

RE: FPGA System A modulator - by `FRANK.C - 28-11-2018, 06:27 PM

RE: FPGA System A modulator - by ppppenguin - 28-11-2018, 07:15 PM

RE: FPGA System A modulator - by `FRANK.C - 28-11-2018, 11:11 PM

RE: FPGA System A modulator - by ppppenguin - 29-11-2018, 07:32 AM

RE: FPGA System A modulator - by ppppenguin - 05-12-2018, 11:38 AM

RE: FPGA System A modulator - by `FRANK.C - 05-12-2018, 08:31 PM

RE: FPGA System A modulator - by ppppenguin - 05-12-2018, 10:06 PM

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