2022-10-16 13:49:53 +00:00
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# Function Generator on a RP2040. #
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* Features:
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2023-08-21 19:23:59 +00:00
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* Direct Digital Synthesis (DDS) Function Generator
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2023-08-27 19:15:42 +00:00
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* Serial over USB interface (Putty)
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2023-08-21 19:22:52 +00:00
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* Dual 8 bit R-2R Digital to Analog converter
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2023-08-21 19:23:59 +00:00
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* 1Hz => 1MHz frequency range.
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2023-06-18 14:10:42 +00:00
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* Variable output level (requires MCP41020 dual digital potentiometer with SPI interface)
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2023-08-27 19:11:41 +00:00
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* Analog clock simulator
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2023-06-18 14:10:42 +00:00
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* Target device = Pico (also works on Pimoroni PGA2040)
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2023-05-06 13:52:55 +00:00
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* External, 3 digit, SPI display
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2023-08-21 19:22:52 +00:00
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* Independant control of either channel through Putty terminal session over USB port
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2023-06-18 14:10:42 +00:00
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* Limitations:
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* USB serial requires Windows (10 or later)
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* Phase sync mechanism not effective at high frequencies
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2023-03-27 16:24:40 +00:00
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**Two independanty controled, phase locked, DMA channels...**
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**Early version of hardware running single channel 150Hz Sine wave + 3rd harmonic on a vintage oscilloscope...**
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2022-04-15 15:28:23 +00:00
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2022-08-07 13:00:00 +00:00
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2023-08-27 19:17:13 +00:00
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**Analog Clock Simulator using X-Y mode on a CRT Oscilloscope...**
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2023-08-27 19:11:41 +00:00
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